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 3 Answer Key Algebraic Reasoning.

## Texas Go Math Grade 1 Unit 3 Answer Key Algebraic Reasoning

**Show What You Know**

**Model More, Model Fewer**

Question 1.

Circle the row that has more.

Answer:

Explanation:

2 boxes < 4 hammers

Question 2.

Circle the row that has fewer.

Answer:

Explanation:

4 rabits > 3 carrots

**Count On**

**Use the number line to add. Write each sum.**

Question 3.

6 + 3 = ____

Answer: 9

Explanation:

The Sum of 6 and 3 is 9

6 + 3 = 9

Question 4.

7 + 1 = ____

Answer: 8

Explanation:

The sum of 7 and 1 is 8

7 + 1 = 8

Question 5.

8 + 2 = ____

Answer: 10

Explanation:

The sum of 8 and 2 is 10

8 + 2 = 10

**Count Back**

**Use the number line to subtract. Write each difference.**

Question 6.

11 – 2 = ____

Answer:

Explanation:

The difference of 11 and 2 is 9

11 – 2 = 9

Question 7.

8 – 3 = ____

Answer: 5

Explanation:

The difference of 8 and 3 is 5

8 – 3 = 5

Question 8.

9 – 1 = ____

Answer: 8

Explanation:

The difference of 9 and 1 is 8

9 – 1 = 8

**Vocabulary Builder**

**Visualize it**

Sort the review words from the box.

Explanation:

The words are organized according to the review words

**Understand Vocabulary**

**Use a review word to complete each sentence.**

Question 1.

8 is the _____________ for 17 – 9

Answer: subtract

Explanation:

8 is the subtract for 17 – 9

Question 2.

17 is the ____________ for 8 + 9.

Answer: addition

Explanation:

17 is the addition for 8 + 9.

Question 3.

When you ____________ 4 to 8, you find the sum.

Answer: Add

Explanation:

When you add 4 to 8, you find the sum as

4 + 8 = 12

Question 4.

5 ducks and 5 swans are at the pond. There are the ___________ number of ducks and swans.

Answer: 10

Explanation:

5 ducks and 5 swans are at the pond. There are the 10 number of ducks and swans.

5 + 5=10

**Vocabulary Reader**

**Reading and Writing Math**

This take-home book will help you recognize addition and subtraction situations.

To my surprise and great delight

Our teacher asked us to draw or write

About something we would think so cool

To do this summer when out of school.

So many ideas swirled ¡n my head!

“There are lots of things I’d do,” I said.

Fd sail the ocean in a boat.

My first mate would be a goat.

From the starboard side we’d see

A pod of whales. There would be 3.

Then I’d spy 4 whales more!

Oh, such a summer I’d adore.

How many whales do they see in all?

_____ + _____ = _____ whales

Explanation:

3 + 4 = 7 whales

I’d take o rocket to where it’s starry.

Oh, what fun, an outer space safari!

The first of many stops would be

Our moon, where moon mountains

I would see.

How many moon mountains are tall?

Answer:

1 mountain is tall

How many are short?

Explanation:

4 mountains are short

How many moon mountains are there in all?

____ + ____ = ____ moon mountains

1 + 4 = 5 moon mountains

Or perhaps this summer time,

My goat and I would take a climb.

Then build a house up in a tree.

A farm and far off city we could see.

How many cows? How many horses?

Answer:

6 cows

and 2 horses

How many fewer horses than cows?

___ – ___ = ___ fewer horses

6 – 2 = 4 fewer horses

Now it’s your turn to write or draw.

Think of summer and what you’d do.

Answer:

In summer we like to visit the mountains, valleys and snow fall, beach.

If you could plan what’s best for you!

**Write about the Math**

**Write Math** Look at the pictures. Draw and write your own story about the whales. Use addition and subtraction in your story.

Ex

Explanation:

Answer:

7 – 4 = 3

so , three are pink whales.

**More and Fewer**

Look at the picture. Complete the number sentences.

Question 1.

How many cows and horses are there?

___ + ___ = ____

Answer:

4 + 2 = 6

Explanation.

6 cows and horses are there

Question 2.

How many more cows are there than horses?

____ – ____ = ____ more cows

Answer:

6 – 2 = 4 more cows

Explanation:

4 more cows are there than horses

Question 3.

Four cows go into the barn. How many cows are there now?

___ – ____ =____ cows

4 – 4 = 0

0 cows

Explanation:

0 cows are there now

**Math Board** Write a story problem about animals you see on a farm. Use the words more or fewer in your story. Have a classmate solve the problem.

Explanation:

There are 6 animals in the farm.

4 are cows and 2 are horses

How many fewer horses are there than cows.

Answer:

4 – 2 = 2

2 fewer horses.