Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens

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Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens

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Skip count by tens. Write to show how many crayons.
Texas Go Math Grade 1 Lesson 10.5 Answer Key 1
Answer:
When we skip by10 in between while counting the numbers, then it is said to skip counting by 10. Skip count by 10 is very easy and quick to do. See the below-given example to understand it better.
10+10=20
20+10=30
30+10=40 and so on…
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens e1

FOR THE TEACHER • Read the following problem. How many crayons would there be in 12 groups of 10 crayons?
Answer:
The total number of groups=12
The number of crayons in each group=10
The total number of crayons in 12 groups=X
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens e2

Math Talk
Mathematical Processes

Explain When would it be useful to count tens?
Answer:
Skip counting is often called counting by 2s or by 5s or by 10s or by 100s. Skip counting really helps with addition, subtraction, multiplication, and division. It is also used a lot for counting things – counting pairs of gloves, groups of five, money, boxes with 100 cans in each box – the list goes on!
How to skip count: To skip count you add the same number over and over. You can start at any number. When you count normally (like 1,2,3,4,5,6) you add 1 to get the next number. To count by 10s, you add 10 to get the next number.
Counting by tens: The two examples below show counting by tens. Look at the numbers. There is always a pattern.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens e3
Example 2:
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens e3.1

Model and Draw

Skip count the toes by tens to find how many.
How many are you counting each time?
Texas Go Math Grade 1 Lesson 10.5 Answer Key 2
Answer:
Explanation:
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 10, 20, 30, 40, 50, 60, 70, 80, 90, 100.
4. When skipping counting in tens, the number will all end in the same digit.
5. The digit in the tens column will increase by 1 each time.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens e4

Share and Show

Skip count. Count the roses by tens. Write how many.

THINK: What is the best way to count these objects

Question 1.
Texas Go Math Grade 1 Lesson 10.5 Answer Key 3
Answer: 90 flowers.
Explanation:
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 10, 20, 30, 40, 50, 60, 70, 80, 90.
4. When skipping counting in tens, the number will all end in the same digit.
5. The digit in the tens column will increase by 1 each time.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q1

Problem Solving

Skip count. Write how many.

Question 2.
Texas Go Math Grade 1 Lesson 10.5 Answer Key 4
________ grapes
Answer: 110 grapes.
Explanation:
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110.
4. When skipping counting in tens, the number will all end in the same digit.
5. The digit in the tens column will increase by 1 each time.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q2

Question 3.
Texas Go Math Grade 1 Lesson 10.5 Answer Key 5
_________ paintbrushes
Answer: 80 paintbrushes.
Explanation:
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 10, 20, 30, 40, 50, 60, 70, 80.
4. When skipping counting in tens, the number will all end in the same digit.
5. The digit in the tens column will increase by 1 each time.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q3

Use skip counting by tens to solve. Write or draw to explain.

Question 4.
H.O.T. Vanessa swims 10 laps a day. How many laps does she swim in 5 days?
Texas Go Math Grade 1 Lesson 10.5 Answer Key 6
________ laps
Answer: 50 laps.
Explanation:
The number of laps she does in a day=10
The laps she swims in 5 days, we need to calculate now. Assume it as X.
Apply cross-multiplication.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q4

Question 5.
H.O.T. Multi-Step There are 10 pencils in a packet. Justin has 6 packets. He buys 3 more packets. How many pencils does he have?
__________ pencils
Answer: 90 pencils.
Explanation:
The number of pencils in each packet=10
The number of packets Justin has=6
The number of packets he buys extra=3.
The total number of packets he has now=6+3=9.
Now calculate the total number of pencils in 9 packets=X
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q5

Daily Assessment Task

Choose the correct answer.

Question 6.
Analyze Cody wants to make II trays of 10 tortillas. Skip count by tens. How many tortillas will he make?
(A) 21
(B) 110
(C) 100
Answer: Option C is correct.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens h6.1
Explanation:
The number of tortillas Cody wants to make in 2 trays=10
The number of trays he wants to make=2
The number of tortillas in each tray=5
We need to use skip count by 10.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens h6
In the first tray, he could make 50 tortillas and in the second tray, he could make 50 tortillas by using the skip count by 10 technique. I represented in the above diagram.
The total count of 2 trays of tortillas is 100.

Question 7.
Jaimie uses base ten blocks to show a number. Skip count by tens. What is the number shown?
Texas Go Math Grade 1 Lesson 10.5 Answer Key 7
(A) 10
(B) 100
(C) 120
Answer: Option C is correct.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q7
Explanation:
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q7.1
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120.
4. When skipping counting in tens, the number will all end in the same digit.

Question 8.
Multi-Step There are 10 tables in a room. Each table has 10 seats. Six tables are full. No one is sitting at the other tables. How many seats are empty?
(A) 80
(B) 40
(C) 60
Answer: Option B is correct.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q8
Explanation:
The total number of tables in a room=10
The number of seats each table have=10
The total number of seats=10*10=100.
The number of tables full=6
This means 60 seats are already full. Now we need to find out the empty seats.
The number of empty seats=Total number of seats-filled seats
The number of seats=100-60=40.
Therefore, the empty seats are 40.

Question 9.
Texas Test Prep Which number comes after 110 when skip counting by tens?
(A) 120
(B) 80
(C) 100
Answer: Option A is correct.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens q9
Explanation:
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 110, 120.
4. When skipping counting in tens, the number will all end in the same digit.
5. The digit in the tens column will increase by 1 each time.

TAKE HOME ACTIVITY • Have your child explain how he or she would count how many objects are in 12 pockets containing 10 objects each
Answer:120 objects.
The number of pockets=12
The number of objects in each pocket=10.
The total number of objects in 12 pockets=12*10=120.

Texas Go Math Grade 1 Lesson 10.5 Homework and Practice Answer Key

Skip count. Count the fingers on the gloves by tens. Write how many.

Question 1.
Texas Go Math Grade 1 Lesson 10.5 Answer Key 8
Answer:120 fingers
Explanation:
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120.
4. When skipping counting in tens, the number will all end in the same digit.
5. The digit in the tens column will increase by 1 each time.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens h1

Problem Solving

Use skip counting by tens to solve. Write or draw to explain.

Question 2.
Jason runs 10 laps around the track each day. How many laps does he run in 5 days?
________ laps
Answer: 50 laps
Explanation:
The number of laps he tracks each day=10
The number of laps he can make in 5 days=X
Apply cross-multiplication
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens h2

Lesson Check

Choose the correct answer.

Question 3.
Char’s mom is making cupcakes. She can make 10 cupcakes with one pan. She makes 12 pans of cupcakes. How many cupcakes did Char’s mom make?
Texas Go Math Grade 1 Lesson 10.5 Answer Key 9
(A) 120
(B) 100
(C) 18
Answer: Option A is correct.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens h3
Explanation:
The number of pancakes she can make in one pan=10
The number of pans she has=12
The number of pancakes she made in 12 pans=12*10=120.

Question 4.
Paul counts his pennies. He draws a line for each group of 10 pennies he counts. How many pennies did Paul count?
Texas Go Math Grade 1 Lesson 10.5 Answer Key 10
(A) 80
(B) 100
(C) 90
Answer: Option C is correct.
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens h4
Explanation:
Count the number of lines he had drawn=9.
He draws a line for each group of pennies=10.
The total number of pennies the Paul count=9*10=90.

Question 5.
Multi-Step There are 10 party favors in each bag. Lonni buys 7 bags. Then he buys 3 more bags. How many favors did Lonni buy?
Texas Go Math Grade 1 Lesson 10.5 Answer Key 11
(A) 70
(B) 100
(C) 30
Answer: Option B is correct.
Explanation:
The number of party favours in each bag=10
The number of bags he buy=7
The number of bags he buys extra=3
The total number of bags he has now=7+3=10.
The total number of party favours in 10 bags=X
Texas Go Math Grade 1 Lesson 10.5 Answer Key Skip Count by Tens h5

Question 6.
Write the number that comes after 100 when skip counting by tens.
Answer: 100+10=110.
Explanation:
1. Skip count in tens means to keep adding 10 to a number.
2. We can count up in tens from 10, adding ten each time.
3. We have 100, 110.
4. When skipping counting in tens, the number will all end in the same digit.
5. The digit in the tens column will increase by 1 each time.

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