Texas Go Math

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 8.3 Answer Key Generate Subtraction Word Problems.

Texas Go Math Grade 1 Lesson 8.3 Answer Key Generate Subtraction Word Problems

Essential Question
How can a subtraction sentence help you write a subtraction story problem?
Explanation:
6 – 5 = 1
This is the example of a subtraction sentence
Story:
Mica has 6 apples and ate 5. how many are left?
6 – 5 = 1

Explore
9 – 3 = ___
Draw to show a story problem. Then solve.

9 – 3 = ___
Explanation:
9 – 3 = 6
Explanation:
Fruits in the basket are 9. 3 are strawberries the rest are plums. How many plums are in the basket?
Answer:
9 – 3 = 6
so, 6 are plums.

For The Teacher

• Have children tell a story problem using the subtraction fact, Then have them use two-color counters to solve the problem. Have them draw simple pictures to represent the story problem.
  Explanation:
  Fisherman catches 5 fishes in the net.5 fishes are sold. How many are in the net now.
  5 – 5 = 0
  This is a subtraction fact
  
  By using the color counters done the fraction facts.

Math Talk
Mathematical Processes
Tell your story problem to a classmate. How are your story problems alike?
Explanation:
He used the subtraction fact as 6 -6 = 0

Model and Draw

Write a story problem for the fact 5 – 3 = ___. Draw a picture to solve.

Answer:

Explanation:
Written a story problem for subtraction sentence.

Share and Show

Write a story problem for the subtraction fact. Draw a picture to solve.

Question 1.
12 – 5 = ___

Answer:

Explanation:
Written a story problem for subtraction sentence.

Problem Solving

Write a story problem for the subtraction fact. Draw a picture to solve.

Question 2.
H.O.T. 10 – __ = 6

Answer:

Explanation:
Written a story problem for subtraction sentence.

Question 3.
H.O.T. Multi-step ___ – ___ = 4

Answer:

Explanation:
Written a story problem for subtraction sentence.

Daily Assessment Task

Choose the correct answer.

Question 4.
Which subtraction fact matches the drawing?

(A) 10 – 6 = 4
(B) 6 – 5 = 1
(C) 11 – 6 = 5
Answer: C
Explanation:
11 – 6 = 5 matches the subtraction fact matches the drawing.

Question 5.
Which drawing matches the subtraction fact?
3 – 2 = ___

Answer:

Explanation:
Bubbled the correct drawing.

Question 6.
Use Tools Cara made this story problem for 9 – 7 = ___. 9 hens are in a barn. How many hens are in the barn now? Which sentence did Cara forget to write in the story problem?
(A) 7 hens join them.
(B) 7 hens fly out.
(C) 7 cows are in the barn.
Answer: B
Explanation:
9 – 7 =2. 9 hens are in a barn.
7 hens fly out. 2 hens are in the barn.

Question 7.
Texas Test Prep Which subtraction sentence matches the model?

(A) 9 – 6 = 3
(B) 6 – 3 = 3
(C) 9 – 3 = 6
Answer: B
Explanation:
6 -3 = 3 is the subtraction sentence matches the model

Take Home Activity

• Have your child draw o picture to solve 11 – 3. Then have him or her write a story problem for 11 – 3.

Texas Go Math Grade 1 Lesson 8.3 Homework and Practice Answer Key

Write a story problem for the subtraction fact. Draw a picture to solve.

Question 1.
16 – 7 = ___

Answer:

Explanation:
Written a story problem for subtraction sentence.

Problem Solving

Write a story problem for the subtraction fact. Draw a picture to solve.

Question 2.
___ – ___ = 8

Answer:

Explanation:
Written a story problem for subtraction sentence.

Texas Test Prep

Lesson Check

Choose the correct answer.

Question 3.
Which subtraction fact matches the drawing?

(A) 12 – 7 = 5
(B) 13 – 7 = 6
(C) 7 – 6 = 1
Answer: B
Explanation:
13 – 7 = 6
Matches the drawing

Question 4.
Which drawing matches the subtraction fact?
5 – 2 = ___

Answer:

Explanation:
Bubbled the correct match
5 – 3 = 2

Question 5.
Which subtraction fact matches the cubes?

(A) 6 – 3 = 3
(B) 9 – 3 = 6
(C) 9 – 6 = 3
Answer: C
Explanation:
9 – 6 = 3 matches the cubes

Question 6.
Write a story problem for the fact 16 – 9 Draw a picture to solve.

Answer:

Explanation:
Written a story problem for subtraction sentence.
16 – 9 = 7

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 8.4 Answer Key Solve Multi-Step Word Problems.

Texas Go Math Grade 1 Lesson 8.4 Answer Key Solve Multi-Step Word Problems

Essential Question
How can you solve multi-step word problems?
Explanation:
First find the value which is used to find the question.

Explore
Use or objects to model the problem. Draw the or objects. Write the numbers and the number sentences.

_______

_______
Explanation:
Kate had 7 birds and 4 were flied away. how many are with Kate now
7 – 4 = 3

Math Talk
Mathematical Processes
Explain the strategy you used to solve the multi-step problem. Is there another way to solve the problem?

For The Teacher

• Read the following problem. There are 11 crayons in the box. Pete takes 5 crayons. Jem takes 3 crayons. How many crayons are in the box?
  Explanation:
  first we have to add then to subtract
  5 + 3 = 8
  11 – 8 = 3
  3 Crayons are in the box.

Model and Draw

Eva has 5 red beads and 9 blue beads. She gives 5 blue beads to Lian. How many beads does Eva have?
Solve a step.

Solve a step. ____
Then use the answer to solve the next step. _____
Draw a picture.
__ beads

Tell a friend how you chose a strategy to solve the problem.
Explanation:
5 + 9 = 14
14 – 5 = 9
so Eva have 9 beads

Share and Show Math Board

Question 1.
Use to model the problem. Draw the . Gwen has 18 dolls. She gets 2 more. Then she gives 6 dolls to Mae. How many dolls does Gwen have?

_____ dolls
Tell a friend how you chose a ____ strategy to solve the problem.
Answer:

Explanation:
18 + 2 = 20
20 – 6 = 14
Gwen have 14 dolls

Problem Solving

Use to model the problem. Draw the .

Question 2.
H.O.T. Multi-Step Meg has a bowl of grapes. 7 grapes are red. 6 grapes are green. She eats all the green grapes. She eats 2 red grapes. How many grapes are left in the bowl?

Answer:

Explanation:
7 + 6 = 13
7 + 2 = 9
13 – 9 = 4 grapes are left in the bowl

Question 3.
H.O.T. Multi-Step Ellen puts peaches in a box. Then she gives 6 to Juan. She eats 1 peach. There are 8 peaches left in the box. How many peaches did Ellen start with?

Answer:

Explanation:
6 + 1 = 7
8 + 7 = 15
Ellen start with 15 peaches.

Question 4.
Multi-Step Choose a number between 10 and 20 to show the number of oranges Rick has. Then solve. Rick has ______ oranges. He gives 3 to Maria. He gives 5 to Paul. How many oranges does Rick have? How many oranges does Rick give away?
3 + 5 = ____
How many oranges does Rick have now?
___ – ___ = ____

Answer:

The number between 10 and 20 so, chose 15
Now rick has 15 oranges
3 + 5 = 8
15 – 8 = 7

Daily Assessment Task

Choose the correct answer.

Question 5.
Alex finds 4 berries. Alice finds 5 berries. They take the berries home. They eat 3 berries. How many berries are there now?

(A) 6
(B) 2
(C) 9
Answer: A
Explanation:
Alex finds 4 berries. Alice finds 5 berries.
4 + 5 = 9
They take the berries home. They eat 3 berries.
9 – 3 = 6

Question 6.
Use Tools There are 10 birds in a tree. 2 birds are blue. The rest are yellow. 1 yellow bird flies away. How many yellow birds are in the tree now?

(A) 9
(B) 8
(C) 7
Answer: C
Explanation:
There are total 10 birds,2 birds are Blue
10-2=8
8 are yellow,1 bird flew away so,
8-1=7

Question 7.
Multi-Step Maddy had 5 big cars. She had 7 small cars.
Maddy gave 3 small cars to her brother. How many cars does Maddy have now?

(A) 15
(B) 9
(C) 12
Answer: B
Explanation:
Maddy has 5 big cars and 7 small cars
5+7=12
she gave 3 small cars to her brother
5+4=9

Question 8.
Texas Test Prep Kendra has 4 brown rocks and 10 gray rocks. She gives 4 rocks to Amy. How many rocks does Kendra have?
(A) 14
(B) 7
(C) 10
Answer: C
Explanation:
Kendra has 4 brown rocks and 10 gray rocks
4+10=14
she gave 4 rocks to Amy
10-4=10

Take Home Activity

• Have your child explain how he or she solved the multi-step problem on this page.

Texas Go Math Grade 1 Lesson 8.4 Homework and Practice Answer Key

Draw to solve.

Question 1.
Multi-Step Ben has some apples. 9 are red apples. 7 are yellow apples. He gives all the yellow apples to Andy. He eats 1 red apple. How many apples does he have left?
__ apples
Answer:  15 apples are left

Explanation:
Ben has some apples. 9 are red apples. 7 are yellow apples.
9 + 7 = 16
He gives all the yellow apples to Andy. He eats 1 red apple.
16 – 15 = 1

Problem Solving

Draws to solve.

Question 2.
Multi-Step Choose a number between 10 and 18 to show the number of toy animals Marcy has. Then solve.
Marcy has ____ toy animals. She gives 6 to Leslie. She gives 4 to Beth.
How many toy animals does Marcy give away?
6 + 4 = ___
How many toy animals does Marcy have now?
___ – ___ = ___
____ toy animals
Answer:

2 toy animals
Explanation:
Marcy has 12 toy animals ,she gave 6 to Leslie and 4 to Beth
6+4=10
12-10=2
Marcy has 2 toy animals.

Texas Test Pre

Choose the correct answer.

Question 3.
Multi-Step Peter caught 4- fish. Edie caught 7 fish. Edie put 4- fish back in the pond. How many fish do they have now?
(A) 7
(B) 11
(C) 4
Answer: A
Explanation: peter caught 4 fish and caught 7 fish ,
Edie put 4 fish back in the bond 7-4=3
so now Edie has 3 fish and peter has 4 fish
3+4=7

Question 4.
Multi-Step Mike sees 12 frogs in a pond. 3 frogs are green. The rest are brown. 3 brown frogs hop away. How many brown frogs do they see in the pond now?
(A) 9
(B) 12
(C) 6
Answer: C
Explanation: mike sees 12 sees frogs in a pond , 3 frogs are green
12-3=9
9 frogs are brown,3 brown frogs hop away
9-3=6

Question 5.
Multi-Step Derek has 11 stickers. 6 stickers are car stickers. The rest are animal stickers. Derek buys 3 more animal stickers. How many animal stickers does Derek have now?
(A) 9
(B) 8
(C) 11
Answer: B
Explanation:
Derek has 11 stickers,6 stickers are car stickers
11-6=5
5 are animal stickers, He adds 3 more animal stickers
5+3=3

Question 6.
Multi-Step Laura has 8 red pencils and 6 green pencils. She gives 7 pencils to Dwayne. How many pencils does Laura have now? Write the number sentences. Explain the strategy you used to solve the problem.
Answer: Seven Pencils
Explanation:
Laura has 8 red pencils and 6 green pencils
eight red pencils + six green pencils = fourteen Pencils
She gives 7 pencils to Dwayne
fourteen pencils – seven pencils=Seven pencils

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Module 8 Assessment Answer Key.

Texas Go Math Grade 1 Module 8 Assessment Answer Key

Concepts and Skills

There are 15 children eating lunch.
____ children buy lunch.
____ children do not buy lunch.
Explanation:
8 children buy lunch.
7 children do not buy lunch.

Question 1.
Choose numbers to generate an addition story problem. Write the addition sentence to match the story problem. TEKS 1.3.F ____ ____ = 15
Answer:
15 children went to a picnic.8 bought lunch and 7 did not bought lunch
7 + 8 = 15
Explanation:
Written a story problem

Question 2.
Choose numbers to generate a subtraction story problem. Write the subtraction sentence to match the story problem. TEKS 1.3.F
15 ___ = ____
Answer:
15 children went to a picnic. Some bought lunch and 7 did not bought lunch
15 – 7 = 8
Explanation:
Written a story problem

Question 3.
Use or objects to model the problem. Draw the or objects. Kaelin has 9 stickers. She gets 2 more stickers. Then Kaelin gives away 4 stickers. How many stickers does she have now? Explain the strategy you used to
solve the problem. TEKS 1.3.E
____ stickers
Answer: 7 stickers
9 + 2 = 11
11 – 4 = 7
Explanation:
She has now 7 stickers.

Texas Test Prep

Choose the correct answer.

Question 4.
Which addition sentence matches the model? TEKS 1.3.F

(A) 4 + 3 = 7
(B) 8 + 4 = 12
(C) 9 + 2 = 11
Answer: B
Explanation:
8 + 4 = 12
Matches the addition fact.

Question 5.
Which subtraction sentence matches the model? TEKS 1.3.F

(A) 12 – 7 = 5
(B) 18 – 9 = 9
(C) 14 – 7 = 7
Answer: C
Explanation:
14 – 7 = 7
matches the subtraction sentence.

Question 6.
Michaela has 6 birds in the cage. There are 13 birds in the cage. How many birds do not belong to Michaela? TEKS 1.3.E
(A) 13 – 6 = 7
(B) 9 + 4 = 13
(C) 13 – 5 = 8
Answer: A
Explanation:
13 – 6 = 7
7 birds do not belong to Michaela

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Unit 2 Answer Key Number and Operations: Addition and Subtraction Strategies, Money.

Texas Go Math Grade 1 Unit 2 Answer Key Number and Operations: Addition and Subtraction Strategies, Money

Show What You Knów
Check your understanding of important skills.

Model Subtraction

Use to show each number.
Take away. Write how many are left.

Question 1.

Answer:

Explanation:
The difference of 5 and 2 is 3

Question 2.

Answer:

Explanation:
The difference of 3 and 1 = 2

Use Pictures to Subtract

Use the picture. Write the subtraction sentence.

Question 3.

Answer:

Explanation:
The difference of 6 and 2 is 4

Question 4.

Answer:

Explanation:
The difference of 4 and 1 is 3

Use Symbols to Subtract

Write how many are left.

Question 5.

Answer:

Explanation:
The difference of 3 and 0 is 3

Question 6.

Answer:

Explanation:
The difference of 4 and 4 is 0

Family Note:
This page checks your child’s understanding of important skills needed for success in Unit 2.

Vocabulary Builder

Visualize it

Complete the chart. Mark each row with a ✓.

Explanation:
The kid answered as the chart shows

Understand Vocabulary

Complete the sentences with review words.

Question 1.
3 is the ___ for 5 – 2 = 3.
Answer:  Difference
Explanation:
The difference of 5 and 2 is 3

Question 2.
7 – 4 = 3 is a ___.
Answer: Subtraction Sentence.
Explanation:
7 -4 = 3 is a subtraction sentence

Question 3.
You ___ to solve 5 – 1.
Answer: Take away
Explanation:
you have to take away 4 from 5 to get 1

Question 4.
You can ___ 2 from 6 .
Answer: Subtract
Explanation:
we can subtract 2 from 6
6 – 2 = 4

Vocabulary Reader

Friendship Soup
written by Mary Crobles
illustrated by Chris Simpson
This Take-Home Book belongs to

Reading and Writing Math
This take-home book will help you review addition facts through 12.

All summer the friends worked hard Growing yummy vegetables to eat. Planting, hoeing, watering, weeding Keeping garden rows nice and neat.

“Look at this,” cried Hen, seeing her tomatoes.
“Two on the left side and two on the right. Such beautiful tomatoes!
Shall I pick them? I might!”
___ + ___ = ____ tomatoes
2 + 2 = 4 Tomatoes

“Oh my,” cried Pig.
“Beans are ready to pick.
A week ago they were so little,
But look! They’ve grown so quick!”

How many beans on each plant?
How many in all?
____ + ____ = ____ in all
4 + 4 = 8 in all

Sheep dug up two potato plants,
“My potatoes look just right.
I dug up two hills of potatoes
And what a beautiful sight!”
____ + ____ = ____ in all
5 + 5 = 10 potatoes

“Oh my!” said Dog.
“Onions, big and round.
I don’t think nicer onions
Could be pulled out from the ground!”
___ + ___ = ___ in all
3 + 2 = 5 Onions

Cat was the last to notice
The garden had grown wide and tall.
She marveled to see orange pumpkins
Were the biggest veggie of all!

How many big and small pumpkins?
___ + -__ = ___ in all
6 + 6 = 12
6 big and 6 small pumpkins total = 12

Here are some of the many things the friends grew in their friendship garden. Color ¡n some of the groups of vegetables. Write an addition sentence to tell how you would add the groups.
___ + ___ = ___
10 + 7 = 17
Pees and tomatoes as one group
Pumpkins and potatoes as the second group
There are 17 in all

Write about Math
Write Math Look at the picture. Draw and write your own story about the number of friends and their tools.

Explanation:
There 5 friends and 5 tools
Each friend has 1 tool
5 + 5 = 10

How Many Vegetables?

Look at the picture. Complete the addition sentences.

Question 1.
How many pumpkins and onions are there?
__ + ___ = ____
Answer:
3 + 2 = 5
Explanation:
Three pumpkins and 2 onions total is 5

Question 2.
How many tomatoes and potatoes are there?
__ + ___ = ____
Answer:
4 + 5 = 9
Explanation:
4 tomatoes and 5 potatoes 9 in all

Question 3.
How many onions and tomatoes are there?
__ + ___ = ____
Answer:
4 + 2 = 6
4 onions and 2 tomatoes they are 6 in all

Math Board Write an addition story problem about vegetables in a garden. Have a classmate solve the problem.
Answer:
How many pumpkins and onions are there? and How many tomatoes and potatoes are there? and altogether how many vegetables are there
Explanation:
3 + 2 = 5
4 + 5 = 9
5 + 9 = 14 Vegetables in all

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Module 12 Assessment Answer Key.

Texas Go Math Grade 1 Module 12 Assessment Answer Key

Concepts and Skills

Add. Change the order of the addends. Add again. (TEKS 1.5.F)

Question 1.

Answer:

Question 2.

Answer:

Look at the . Complete the addition sentences showing two ways to find the sum. (TEKS 1.5.F, 1.5.G)

Question 3.

Answer: 3 + 4 + 5 = 12

Question 4.
Write the number sentence.
Maria has 3 cats. Jim has 2 cats. Cheryl has 5 cats. How many cats do they have? (TEKS 1.5.F, 1.5.G )

__________ + __________ + __________ = __________ cats
Answer: 3 + 2 + 5 = 10 cats

Choose the correct answer.

Question 5.
Pete sends 4 letters. Then he sends 3 more letters. Then he sends 2 more letters. How many letters did Pete send? (TEKS 1.5.F, 1.S.G)

(A) 7
(B) 6
(C) 9
Answer:
Given,
Pete sends 4 letters.
Then he sends 3 more letters.
Then he sends 2 more letters.
4 + 3 + 2 = 9
Thus the correct answer is option C.

Question 6.
Which shows the same addends in a different order? (TEKS 1.5.F)
7 + 6 = 13
(A) 8 + 6 = 14
(B) 6 + 7 = 13
(C) 9 + 6 = 15
Answer:
6 + 7 = 13
Thus the correct answer is option C.

Question 7.
What is the sum of 7 + 7 + 3? (TEKS 1.5.F, 1.5.G)
(A) 17
(B) 10
(C) 14
Answer: 17

Question 8.
What is the sum of 10 + 0 + 10? (TEKS 1.5.F, 1.5.G)
(A) 10
(B) 20
(C) 2
Answer: 20

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 11.1 Answer Key Model Addition.

Texas Go Math Grade 1 Lesson 11.1 Answer Key Model Addition

Unlock the Problem

Hanna has 4 red flowers in a .
She puts 2 more flowers in the .
How many flowers are in the ?
How can you use a model to find out?

Read

What information am I given?
__________ red flowers
__________ more flowers

Plan

What is my plan or strategy?
I can _____________

Solve

Show how you solve the problem.

Answer: 4 red flowers and 2 yellow flowers in the

HOME CONNECTION • Your child con model the concepts of joining, adding to, and putting together. He or she used a model to show the problems and solve.

Try Another Problem

Use to help you. Complete the model and the number sentence.

Question 1.
There are 7 dogs in the park. Then I more dog joins them. How many dogs are in the park now?

7 + 1 = ___________
Answer:
There are 7 dogs in the park. Then I more dog joins them.
7 + 1 = 8
8

Question 2.
Some birds are sitting in the tree. Four more birds sit in the tree. Then there are 9 birds. How many birds were in the tree before?

_________ + 4 = 9
Answer: 5
Some birds are sitting in the tree.
Four more birds sit in the tree.
Then there are 9 birds.
9 – 4 = 5

Question 3.
There are horses in the field. Some more horses run to the field. Now there are 10 horses in the field. How many horses ran to the field?

4 + _________ = 10
Answer:
There are horses in the field. Some more horses run to the field.
Now there are 10 horses in the field.
10 – 4 = 6

Math Talk
Mathematical Processes

How does a model help you solve Exercise 1? Explain
Answer:

Share and Show

Use to help you. Complete the model and the number sentence.

Question 4.
Luis has 12 crayons. 5 of the crayons are red. The rest are blue. How many crayons are blue?

5 + ________ = 12
Answer:
Given,
Luis has 12 crayons. 5 of the crayons are red.
12 – 5 = 7

Therefore 7 crayons are blue.

Problem Solving

Question 5.
H.O.T. Some ducks are swimming in a pond. 3 more ducks swim in the pond. Then there are 6 ducks in the pond. How many ducks were in the pond before?

__________ + 3 = 6
Answer:
Some ducks are swimming in a pond.
3 more ducks swim in the pond.
Then there are 6 ducks in the pond.
6 – 3 = 3

Thus there were 3 ducks in the pond before.

Question 6.
H.O.T. Multi-Step
_______ bugs are flying. _________ more bugs fly with them. Now there are 10 bugs flying.

Answer:
7 bugs are flying.
3 more bugs fly with them.
Now there are 10 bugs flying.

Daily Assessment Task

Use . Choose the correct answer.

Question 7.
Use Diagrams Cho sees 3 red flowers. Ki sees 2 yellow flowers. How many flowers are there?

(A) 5
(B) 3
(C) 2
Answer:
Given,
Cho sees 3 red flowers. Ki sees 2 yellow flowers.
3 + 2 = 5
Thus the correct answer is option A.

Question 8.
Ben has 5 books. Kelli has 3 books. Which number sentence shows how many books there are?

(A) 5 + 1 = 6
(B) 5 + 3 = 8
(C) 5 + 2 = 7
Answer:
Given,
Ben has 5 books. Kelli has 3 books.
5 + 3 = 8
Thus the correct answer is option B.

Question 9.
Multi-Step Some cats sit on a fence. 4 cats join them. Now there are 8 cats on the fence. How many cats were on the fence before?

(A) 3
(B) 2
(C) 4
Answer:
Given,
Some cats sit on a fence. 4 cats join them.
Now there are 8 cats on the fence.
8 – 4 = 4
Thus the correct answer is option C.

Question 10.
Texas Test Prep 6 bees are in the hive. 3 more bees fly into the hive. How many bees are in the hive now?

(A) 3
(B) 9
(C) 4
Answer:
Given,
6 bees are in the hive. 3 more bees fly into the hive.
6 + 3 = 9
Thus the correct answer is option B.

TAKE HOME ACTIVITY • Have your child describe each of the ports of a model using the number sentence 7 + 3 = 10.
Answer:

Texas Go Math Grade 1 Lesson 11.1 Homework and Practice Answer Key

Complete the model and number sentence.

Question 1.
There are 4 plates on the table. You put 3 more plates on the table. How many plates are on the table now?

4 + 3 = ___________
Answer:
Given,
There are 4 plates on the table. You put 3 more plates on the table.
4 + 3 = 7

Question 2.
8 fish swim in a pond. Some more fish swim into the pond. Now there are 11 fish in the pond. How many fish swam into the pond?

8 + _________ = 11
Answer:
Given,
8 fish swim in a pond. Some more fish swim into the pond.
Now there are 11 fish in the pond.
11 – 8 = 3

Problem Solving

Question 3.
Some bees are flying around a flower. 7 more bees fly with them. Now there are 13 bees flying. How many bees were flying before?

________ + 7 = 13
Answer:
Given,
Some bees are flying around a flower.
7 more bees fly with them.
Now there are 13 bees flying.
13 – 7 = 6

Thus there were 6 bees flying before.

Lesson Check

Choose the correct answer.

Question 4.
Jerry sees 5 blue cars. Tina sees 6 red cars. How many cars are there?

(A) 5
(B) 11
(C) 6
Answer:
5 + 6 = 11
Thus the correct answer is option B.

Question 5.
Cal has 7 pens. Zeb has 2 pens. Which number sentence shows how many pens there are?

(A) 7 + 2 = 9
(B) 7 – 2 = 5
(C) 7 + 1 = 8
Answer:
Given,
Cal has 7 pens. Zeb has 2 pens.
7 + 2 = 9
Thus the correct answer is option A.

Question 6.
Casey has some shells. Sal gives Casey 4 shells. Now Casey has 6 shells. How many shells did Casey have before?

(A) 4
(B) 6
(C) 2
Answer:
Given,
Sal gives Casey 4 shells. Now Casey has 6 shells.
4 + 2 = 6
Thus the correct answer is option C.

Question 7.
3 squirrels are in a tree. 5 more squirrels join them. How many squirrels are in the tree now?

(A) 8
(B) 7
(C) 9
Answer:
Given,
3 squirrels are in a tree. 5 more squirrels join them
3 + 5 = 8
Thus the correct answer is option A.

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 11.2 Answer Key Model Addition.

Texas Go Math Grade 1 Lesson 11.2 Answer Key Model Subtraction

Unlock the Problem

Tom has 6 crayons in a box.
He takes 2 crayons out of the box.
How many crayons are in the box now? lip How can you use a model to find out?

Read

What information am I given?
___________ crayons in a box
___________ crayons taken out
Answer:
Tom has 6 crayons in a box.
He takes 2 crayons out of the box.

Plan

What is my plan or strategy?
I can ___________

Solve

Show how you solve the problem.

Answer:

HOME CONNECTION • Your child used a model to help him or her understand and solve the subtraction problem.
Answer:

Try Another Problem

Use to help you. Complete the model and the number sentence.

Question 1.
There are 10 stickers. 7 stickers are orange. The rest are brown. How many stickers are brown?

10 – 7 = ___________
Answer:
Given,
There are 10 stickers. 7 stickers are orange
10 – 7 = 3

Thus 3 stickers are brown.

Question 2.
Some birds were in the tree. 2 birds flew away. Then there were 6 birds. How many birds were in the tree before?

________ – 2 = 6
Answer:
Some birds were in the tree. 2 birds flew away. Then there were 6 birds.
6 + 2 = 8
Thus 8 birds were in the tree before

Question 3.
There were 5 cars. Some cars drove away. Then there was 1 car. How many cars drove away?

5 – ________ = 1
Answer:
Given,
There were 5 cars.
Some cars drove away.
Then there was 1 car.
5 – 1 = 4
Thus 4 cars drove away.

Math Talk
Mathematical Processes

What does each part of the model show? Explain.
Answer:

Share and Show

Use to help you. Complete the model and the number sentence.

Question 4.
Some goats were in the field. 3 goats ran away. Then there were 4 goats. How many goats were in the field before?

_________ – = 4
Answer:
Given,
Some goats were in the field.
3 goats ran away.
Then there were 4 goats.
3 + 4 = 7
Thus 7 goats were in the field before.

Problem Solving

Question 5.
H.O.T. Write your own story problem using the model.

Answer:

Question 6.
H.O.T. Multi-Step Complete the model. Write your own story problem using the model.

Answer:

Daily Assessment Task

Use . Choose the correct answer.

Question 7.
Use Diagrams Peg buys some bananas. Dan eats 3 bananas. Now there are 4 bananas left. How many bananas did Peg buy?

(A) 4
(B) 7
(C) 6
Answer:
Given,
Dan eats 3 bananas. Now there are 4 bananas left.
3 + 4 = 7
Thus the correct answer is option B.

Question 8.
Mari has 11 balloons. 6 balloons are blue. The rest are orange. How many balloons are orange?

(A) 5
(B) 6
(C) 11
Answer:
Given,
Mari has 11 balloons.
6 balloons are blue. The rest are orange.
6 + 5 = 11
Thus the correct answer is option A.

Question 9.
Marta had 7 grapes. She ate some, Now she has 3. Which number sentence shows how many grapes Marta ate?

(A) 7 – 5 = 2
(B) 7 – 6 = 1
(C) 7 – 4 = 3
Answer:
Given,
Marta had 7 grapes. She ate some, Now she has 3.
7 – 4 = 3
Thus the correct answer is option C.

Question 10.
Texas Test Prep There are 7 toy rockets. 4 toy rockets are red. The rest are black. How many toy rockets are black?

(A) 3
(B) 7
(C) 4
Answer:
Given,
There are 7 toy rockets.
4 toy rockets are red.
The rest are black.
4 + 3 = 7
Thus the correct answer is option A.

TAKE HOME ACTIVITY • Ask your child to describe what the bottom part of a model means when subtracting.
Answer:

Texas Go Math Grade 1 Lesson 11.2 Homework and Practice Answer Key

Complete the model and number sentence.

Question 1.
There are 9 cups. 3 cups are white. The rest are red. How many cups are red?

9 – 3 = _________
Answer:
Given,
There are 9 cups. 3 cups are white. The rest are red.
9 – 3 = 6
Thus 6 cups are red.

Question 2.
8 mice were playing. Some mice ran away. Then there were 2 mice. How many mice ran away?

8 – 2 = _________
Answer:
Given,
8 mice were playing. Some mice ran away. Then there were 2 mice.
8 – 2 = 6

Problem Solving

Question 3.
Multi Step Complete the model. Write your own story problem using the model.

Answer:
9 + 1 = 10

Lesson Check

Choose the correct answer.

Question 4.
Tad has 6 shirts. 2 shirts are white. The other shirts are blue. How many shirts are blue?

(A) 8
(B) 6
(C) 4
Answer:
Given,
Tad has 6 shirts. 2 shirts are white. The other shirts are blue.
4 + 2 = 6
Thus the correct answer is option C.

Question 5.
Tom had some pencils. He gave 7 pencils to friends. Now he has 3 pencils. How many pencils did Tom have?

(A) 10
(B) 4
(C) 5
Answer:
Given,
Tom had some pencils.
He gave 7 pencils to friends. Now he has 3 pencils.
7 + 3 = 10
Thus the correct answer is option A.

Question 6.
Pat had 9 apples. He used some to make a pie. Now he has 5 apples. Which number sentence shows how many apples Pat used?

(A) 9 – 7 = 2
(B) 9 – 4 = 5
(C) 9 – 6 = 3
Answer:
Given,
Pat had 9 apples.
He used some to make a pie.
Now he has 5 apples.
9 – 4 = 5
Thus the correct answer is option B.

Question 7.
11 bears are in the woods. 6 bears are black. The rest are brown. How many bears are brown?

(A) 7
(B) 6
(C) 5
Answer:
Given,
11 bears are in the woods. 6 bears are black. The rest are brown.
6 + 5 = 11
Thus the correct answer is option C.

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 14.5 Answer Key Create New Two-Dimensional Shapes.

Texas Go Math Grade 1 Lesson 14.5 Answer Key Create New Two-Dimensional Shapes

Unlock the Problem

Cora wants to combine shapes to make a circle. She has . How can Cora make a circle?
Answer:  Cora has one arc. She wants to combine another three arcs to make the whole circle.

Read

What information am I given?

Cora uses this shape. :

Plan

What is my plan or strategy?

I can combine the arcs which are used by Cora and make a circle.

Solve

Show how to solve the problem.

STEP 1:
Use shapes. Combine to make a new shape.

STEP 2:
Then use the new shape.

Answer:

flipping on another side we can get another shape.
STEP 2:
I use moon shape to complete the circle.

 

HOME CONNECTION • Recognizing how shapes con be put together and taken apart provides o foundation for future work with fractions.
Answer: Make children do activities by giving home appliances which are in shapes like circle, triangle, square, rectangle etc. And try to combine and make new shapes.

Try Another Problem

Use shapes to solve. Draw to show your work

Question 1.
Use to make a larger .
STEP 1:
Combine shapes to make a new shape.

STEP 2:
Then use the new shape.

Answer: For step 2 we use two triangles to get a square.

Question 2.
Use to make a .
STEP 1:
Combine shapes to make a new shape.

STEP 2:
Then use the new shape.

Answer: Two right-angle triangles are used to make rectangle.

Math Talk
Mathematical Processes

Describe how you made the rectangle in Exercise 2.
Answer: I use two triangles to make a rectangle.

Share and Show

Use shapes to solve. Draw to show your work.

Question 3.
Use to make a .
STEP 1:
Combine shapes to make a new shape.

STEP 2:
Then use the new shape.

Answer: We can use triangles to make a square.

Problem Solving

Question 4.
H.O.T. Multi-Step Use and to make a .

STEP 1:
Combine shapes to make a new shape.

STEP 2:
Then use the new shape.

Answer: I use trapezium and triangle to get a parallelogram.

Daily Assessment Task

Choose the correct answer.

Question 5.
Reasoning Which two shapes make a circle?

Answer: I use two semi-circles to make a whole circle.

Question 6.
Which two shapes make a triangle?

Answer: The first one is correct.

Question 7.
Multi-Step Gabe uses pattern blocks to make a new shape. He uses 1 and 3 . Which of these shapes can he make?
(A) circle
(B) square
(C) hexagon
Answer: Option C is correct.

The total explanation is represented in the above diagram. 

Question 8.
Texas Test Prep Which new shape could you make?

Answer: Option 1 is correct.

TAKE HOME ACTIVITY • Have your child explain how he or she solved Exercise 6.
Answer:

Texas Go Math Grade 1 Lesson 14.5 Homework and Practice Answer Key

Use shapes to solve. Draw to show your work.

Question 1.
Use to make a .
STEP 1:
Combine shapes to make a new shape.

STEP 2:
Then use the new shape.

Answer: Two trapeziums are needed to get a hexagon.

Problem Solving

Question 2.
Multi-Step Use and to make a .
STEP 1:
Combine shapes to make a new shape.

STEP 2:
Then use the new shape.
and
Answer: One triangle and one rhombus are used to get a hexagon.

Lesson Check

Choose the correct answer.

Question 3.
Which two shapes make a rectangle?

Answer: Two squares can make a rectangle.

 

Question 4.
Nikki makes a star. She uses only and . Which star does she make?

Answer: The second option is correct.

Question 5.
Multi-Step Jeanne uses pattern blocks to make a new shape. She uses 4 and 1 . Which new shape does she make?

Answer: The second option is correct.

 

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Module 14 Assessment Answer Key.

Texas Go Math Grade 1 Module 14 Assessment Answer Key

Vocabulary

Match each shape to its name. (pp. 514, 520)

Question 1.

Answer: The answer is shown below.

Explanation about hexagon:

• The first and most important property of a regular hexagon is that it has six sides. Hexa means six and therefore a hexagon is supposed to have six sides.

• The next property is in continuation of the first property. As there are six sides, there are also six angles in a hexagon. 

• The lengths of each side of a regular hexagon are equal.

• The angles of each side of a regular hexagon are equal.

 

Question 2.

Answer:

Explanation:

• The sum of all the angles of a triangle (of all types) is equal to 180°.
• The sum of the length of the two sides of a triangle is greater than the length of the third side.
• In the same way, the difference between the two sides of a triangle is less than the length of the third side.
• The side opposite the greater angle is the longest side of all the three sides of a triangle.

 

Question 3.

Answer:

Explanation:

• A rectangle is a quadrilateral
• The opposite sides are parallel and equal to each other
• Each interior angle is equal to 90 degrees
• The sum of all the interior angles is equal to 360 degrees
• The diagonals bisect each other
• Both the diagonals have the same length.

 

Question 4.

Answer:

Explanation:

• Opposite angles are congruent or equal.
• The opposite sides are equal and parallel.
• Diagonals bisect each other.
• The Sum of any two adjacent or consecutive angles is 180°.

 

Concepts and Skills

Question 5.
Circle the shapes that have only 3 vertices (corners). (1.6.A)

Answer:

Explanation about the triangle:

• The sum of all the angles of a triangle (of all types) is equal to 180°.
• The sum of the length of the two sides of a triangle is greater than the length of the third side.
• In the same way, the difference between the two sides of a triangle is less than the length of the third side.
• The side opposite the greater angle is the longest side of all the three sides of a triangle.

 

Use pattern blocks. Draw to show the blocks. Write how many blocks you use. (1.6.C, 1.6.F)

Question 6.
________ make a .
Answer:

Explanation: The representation has shown in the above diagram. I divided the hexagon with an outline.

Question 7.
_________ make a .
Answer:

Explanation: The representation has shown in the above diagram. I divided the rhombus with an outline.

Question 8.
How many straight sides does a rhombus have? (1.6.D)

(A) 5
(B) 4
(C) 6
Answer:

Explanation about rhombus:
A rhombus is a diamond-shaped quadrilateral that has all four sides equal. We can see rhombus-shaped figures in our day-to-day lives. Some of the real-life examples of a rhombus are shown in the below-given figure: a diamond, a kite, and an earring, etc.

Question 9.
Which shapes can combine to make this new shape? (1.6.F)

Answer:

Explanation:
The total representation has shown in the above diagram with filled colours.

Question 10.
Which shapes can combine to make this new shape? (1.6.F)

Answer:

Explanation:
The total representation has shown in the above diagram with filled colours.

Question 11.
Which new shape could you make? (1.6C, 1.6.F)

Answer:

Explanation about circle:
The collection of all the points in a plane, which are at a fixed distance from a fixed point in the plane, is called a circle.

Refer to our Texas Go Math Grade 1 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 1 Lesson 12.3 Answer Key Add 3 Numbers.

Texas Go Math Grade 1 Lesson 12.3 Answer Key Add 3 Numbers

Explore

Listen to the problem. Show two ways to group and add the numbers.

Answer: 12
Given,
By adding three with three we get six and then adding six with six we get twelve as the sum,
In the same way we can change the addends and can get the sum as the same,
By adding six with we get nine and then adding nine with three we get twelve as the sum.

FOR THE TEACHER • Read the following problem. There are 3 children at one table. There are 6 children at another table. There are 3 children in line. How many children are there?
Answer: 12
Given,
There are three children at one table,
There are six children at another table,
There are three children in line,
So by adding three with six we get nine and then by adding nine with three we get twelve.
So there are total of twelve children.

Math Talk
Mathematical Processes

Describe the two ways you grouped the numbers to add.
Answer:

Model and Draw

You can group the addends in any order, and in different ways to find the sum.

Answer: 16
Given,
By adding eight with two we get ten, and then by adding ten with six we get sixteen,
In the same way, we can change the addends and can get the same sum,
By adding six with two we get eight and then by adding eight with eight we get the sum as sixteen.
So the answer is sixteen.

Share and Show

Choose a strategy. Circle two addends to add first. Write the sum. Then find the total sum. Then use a different strategy and add again.

THINK: Use count on. doubles, doubles plus one, doubles minus one, or make a ten to add.

Question 1.

Answer: 12
Given,
By adding six with two we get eight, and then add eight with four we get twelve as the sum,
In the same way, we can change the addends and the get the same sum,
By adding four with two we get six and then add six with six we get twelve as the sum,
So the answer is twelve.

Question 2.

Answer: 11
Given,
By adding three with four we get seven, and then adding seven with four we get eleven as the sum,
In the same way, we can change the addends to get the sum as the same,
By adding four with four we get eight, and then adding eight with three we get eleven as the sum,
So the answer is eleven.

Question 3.

Answer: 7
Given,
By adding two with zero we get two, anything with zero we get the same number as the sum and then adding two with five we get seven as the sum,
In the same way, we can change the addends and get the same sum,
By adding five with zero we get five, and then adding five with two we get seven as the sum,
So the answer is seven.

Question 4.

Answer: 14
Given,
By adding five with five we get ten, and then adding ten with four we get fourteen as the sum,
In the same way, we can change the addends and get the sum as the same.
By adding four with five we get nine, and by adding nine with five we get fourteen as the sum.
So the answer is fourteen.

Problem Solving

Choose a strategy. Circle two addends to add first Write the sum.

Question 5.

Answer: 12
Given,
By adding eight with we get ten,
and then adding ten with two we get twelve,
So the answer is twelve.

Question 6.

Answer: 14
Given,
By adding six with zero we get six,
And then adding six with eight we get fourteen,
So the answer is fourteen.

Question 7.

Answer: 13
Given,
By adding three with four we get seven,
And then adding seven with six we get thirteen,
So the answer is thirteen.

Question 8.

Answer: 12
Given,
By adding two with three we get five,
And then adding five with seven we get twelve,
So the answer is twelve.

Question 9.

Answer: 16
Given,
By adding seven with seven we get fourteen,
And then adding fourteen with two we get sixteen,
So the answer is sixteen.

Question 10.

Answer: 19
Given,
By adding nine with nine we get eighteen,
And then adding eighteen with one we get nineteen,
So the answer is nineteen.

Question 11.

Answer: 13
Given,
By adding five with four we get nine,
And then adding nine with four we get thirteen,
So the answer is thirteen.

Question 12.

Answer: 15
Given,
By adding five with five we get ten,
And then adding ten with five we get fifteen,
So the answer is fifteen.

H.O.T. Write the missing addends. Add.

Question 13.

Answer: 11
Given,
The missing addends are four and four,
By adding four with four we get eight,
By adding eight with three we get eleven,
So the missing addends are four and four.

Question 14.

Answer: 10
Given,
The missing addends are four and three,
By adding four with three we get seven,
By adding seven with three we get ten,
So the missing addends are four and three.

Draw a picture. Complete the number sentence.

Question 15.
H.O.T. Multi-Step Kathy sees 13 fish in the tank. 6 fish are gold. The rest are blue or red. How many of each could she see?

________ + _____ + 6 = 13 fish
Answer: There must be four blue fishes and three red fishes

Explanation:
Given,
Kathy sees thirteen fishes in the tank,
Six fishes are gold,
So the remaining fishes are blue or red fishes,
By subtracting six from thirteen we get seven,
So the missing addends are four and three,
By adding four with three we get seven.

Daily Assessment Task

Choose the correct answer.

Question 16.
Apply Jerry has 4 red caps. He has 6 green caps. He has 3 blue caps. How many caps does Jerry have?

(A) 14
(B) 10
(C) 13
Answer: 13
Given,
Jerry has four red caps,
Six green caps,
And three blue caps,
So by adding four with six we get ten,
By adding ten with three we get thirteen,
So Jerry has a total of thirteen caps.

Question 17.
Ty sees 5 blue kites. He sees 7 red kites. He sees 4 purple kites. How many kites does he see?

(A) 16
(B) 12
(C) 19
Answer: 16
Given,
Ty sees five blue kites,
Seven red kites,
And four purple kites,
So by adding five with seven we get twelve,
By adding twelve with four we get sixteen,
So Ty sees a total of sixteen kites.

Question 18.
Multi-Step Ben has 7 white blocks. He has 7 blue blocks. He has some red blocks. Ben has 16 blocks in all. How many red blocks does Ben have?

(A) 1
(B) 4
(C) 2
Answer: 2
Given,
Ben has seven white blocks,
Seven blue blocks,
Some red blocks with total of sixteen blocks,
By adding seven with seven we get fourteen,
So there is total of sixteen blocks,
By subtracting fourteen from sixteen we get two,
Therefore, there are two red blocks remaining.

Question 19.
Texas Test Prep What is the sum of 7 + 4 + 3?
(A) 7
(B) 13
(C) 14
Answer: 14
Given,
By adding seven with four we get eleven,
By adding eleven with three we get fourteen,
So the answer is fourteen.

TAKE HOME ACTIVITY • Have your child explain how he or she can odd the numbers 3, 2, and 5.
Answer:

Texas Go Math Grade 1 Lesson 12.3 Homework and Practice Answer Key

Choose a strategy. Circle two addends to add first. Write the sum. Then find the total sum. Then use a different strategy and add again.

Question 1.

Answer: 13
Given,
By adding seven with three we get ten,
Then by adding ten with three we get thirteen,
So the answer is thirteen.
Even after changing the addends we get the same sum,
By adding three with three we get six,
Then by adding six with seven we get thirteen,
So the answer is thirteen.

Question 2.

Answer: 12
Given,
By adding six with two we get eight,
Then by adding eight with four we get twelve,
So the answer is twelve.
Even after changing the addends we get the same sum,
By adding two with four we get six,
Then after by adding six with six we get twelve,
So the answer is twelve.

Question 3.

Answer: 9
Given,
By adding eight with zero we get eight,
Then by adding eight with one we get nine,
Even after changing the addends we get the same sum,
By adding one with zero we get one,
Then by adding one with eight we get nine as the sum,
So the answer is nine.

Question 4.

Answer: 13
Given,
By adding five with three we get eight,
Then by adding eight with five we get thirteen,
So the answer is thirteen,
Even after changing the addends we get the same sum,
By adding five with we get ten,
Then by adding ten with three we get thirteen,
So the answer is thirteen.

Problem Solving

Draw a picture. Complete the number sentence.

Question 5.
Todd has 5 green paper clips. He has 2 blue paper clips. He has 8 red paper clips. How many paper clips does Todd have?
__________ + _________ + = ________ paper clips
Answer: 15
Given,
Todd has five green paper clips,
Two blue paper clips,
And eight red paper clips,
So by adding five with two we get seven,
Then after adding seven with eight we get fifteen,
So Todd has a total of fifteen paper clips.

Lesson Check

Choose the correct answer

Question 6.
Zeb counts 2 black cars. He counts 7 grey cars. He counts 1 red car. How many cars did Zeb count?
(A) 8
(B) 10
(C) 9
Answer: 10
Given,
Zeb counts two black cars,
Seven grey cars,
And one red car,
So by adding two with seven we get nine,
Then by adding nine with one we get ten,
So Zeb counts a total of ten cars.

Question 7.
Abby gave out paper party hats. She gave out 2 silver hats. She gave out 4 pink hats. Then she gave out 6 yellow hats. How many hats did Abby give out?

(A) 12
(B) 6
(C) 10
Answer: 12
Given,
Abby gave two silver hats,
Four pink hats,
And six yellow hats,
So by adding two with four we get six,
Then after adding six with six we get twelve,
So Abby gave out a total of twelve hats.

Question 8.
Multi-Step Lana has 16 balloons. She has 4 blue balloons. She has some green balloons. She has 5 purple balloons. How many green balloons does Lana have?

(A) 11
(B) 9
(C) 7
Answer: 7
Given,
Lana has sixteen balloons,
Four blue balloons,
Some green balloons,
And five purple balloons,
So by adding four with five we get nine,
By subtracting nine from sixteen we get seven,
Seven is the remaining count of green balloons,
Lana has seven green balloons.

Question 9.
What is the sum of 5 + 9 + 5?
(A) 13
(B) 19
(C) 10
Answer: 19
Given,
By adding five with nine we get fourteen,
So by adding fourteen with five we get nineteen,
So the answer is nineteen.