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 3.2 Answer Key Add Tens and Ones.

## Texas Go Math Grade 1 Lesson 3.2 Answer Key Add Tens and Ones

**Essential Question**

How can you odd tens and ones?

Explanation:

Add tens place to tens place and ones place to ones

**Explore**

Choose a way to show the problem. Draw a quick picture to show your work.

**For The Teacher**

- Read the following problems. Barb has 20 pennies. Ed has 3 pennies. How many pennies do they have? Kyle has 40 pennies. Kim has 5 pennies. How many pennies do they have?

**Math Talk**

**Mathematical processes**

Explain why there are 3 ones in your answer when you add 20 + 3.

**Model and Draw**

How can you find 30 + 4?

___ tens ___ ones

30 + 4 = ____

Explanation:

3 tens 4 ones

30 + 4 = 34

**Share and Show**

**Use Write how many tens and ones. Draw to show tens and ones. Write the sum.**

Question 1.

60 + 6 = ___

___ tens ___ ones

Answer:

Explanation:

60 + 6 = 66

6 tens 6 ones

Question 2.

50 + 3 = ___

___ tens ___ ones

Answer:

Explanation:

50 + 3 = ___

___ tens ___ ones

Question 3.

90 + 8 = ___

___ tens ___ ones

Answer:

Explanation:

90 + 8 = 98

9 tens 8 ones

Question 4.

20 + 1 = ___

___ tens ___ ones

Answer:

Explanation:

20 + 1 = 21

2 tens 1 ones

**Problem Solving**

**Write how many tens and ones.**

**Draw to show tens and ones. Write the sum.**

Question 5.

40 + 2 = ___

___ tens ___ ones

Answer:

Explanation:

40 + 2 = 42

4 tens 2 ones

Question 6.

70 + 9 = ___

___ tens ___ ones

Answer:

Explanation:

70 + 9 = 79

7 tens 9 ones

**Draw to show tens and ones. Write the addition sentence.**

Question 7.

Luke has 30 blocks. Elle has 6 blocks. How many blocks do they have?

___ + ___ = ___

__ blocks

Answer:

Explanation:

30 + 6 = 36

36 blocks

Question 8.

**H.O.T.** Penny has 4 boxes of 10 movies. Nick has 8 movies. How many movies do they have?

Answer:

Explanation:

Penny has 4 boxes of 10 movies.

4 x 10 = 40

Nick has 8 movies.

40 + 8 = 48

48 movies that they have

Question 9.

**Multi-Step** Ryan has 2 boxes of 10 games. Ian has 3 boxes of 10 games. Then Mindy gives Ryan 5 more games. How many games do they have now?

___ + ___ = ___

__ games

Answer:

2 x 10 = 20

3 x 10 = 30

30 + 20 + 5 = 55

Explanation:

50 + 5 = 55

55 games

**Daily Assessment Task**

**Choose the correct answer.**

Question 10.

Lara planted two pepper plants. One grew 10 peppers. The other grew 6. Which number sentence shows how many peppers grew in all?

(A) 10 – 6 = 4

(B) 1 + 6 = 7

(C) 10 + 6 = 16

Answer: C

Explanation:

10 + 6 = 16

is the addition sentence

1 tens and 6 ones

Question 11.

**Multi-Step** Karl has 2 bags of 10 red marbles, 1 bag of 10 green marbles, and 8 blue marbles. How many marbles does Karl have?

(A) 31 marbles

(B) 38 marbles

(B) 28 marbles

Answer: B

Explanation:

2 x 10 = 20

1 x 10 = 10

20 + 10 + 8 = 38

Question 12.

**Use Tools** Which shows 30 + 5 = 35?

Answer:

Explanation:

3 tens blocks and 5 ones blocks

Question 13.

Texas Test Prep What is the sum? 50 + 7 = __?__

(A) 7

(B) 57

(C) 52

Answer: B

Explanation:

50 + 7 = 57

5 tens 7 ones

**Take Home Activity**

- Ask your child to explain how to find the sum of 20 + 7.

Explanation:

20 + 7 = 27

### Texas Go Math Grade 1 Lesson 3.2 Homework and Practice Answer Key

**Write how many tens and ones. Draw to show tens and ones. Write the sum.**

Question 1.

30 + 7 = ___

___ tens __ ones

Answer:30 + 7 = 37

3 tens 7 ones

Explanation:

Lines represent 10 and dot represent 1

Question 2.

90 + 3 = ___

___ tens __ ones

Answer: 90 + 3 =93

9 tens 3 ones

Explanation:

Lines represent 10 and dot represent 1

**Problem Solving**

**Draw to show tens and ones. Write the addition sentence. Write the sum.**

Question 3.

**Multi-Step** Jeff makes 4 stacks of 10 books. Max makes 4 stacks of 10 books. Then Josh gives Jeff 8 more books. How many books do they have?

___ + __ = ___

___ books

Answer: 88 books

Explanation:

Jeff makes 4 stacks of 10 books = 4 x 10 = 40 books

Max makes 4 stacks of 10 books = 4 x 10 = 40 books

Josh gives Jeff 8 more books = 40 + 8 = 48 books

48+40 = 88 books total they have

**Texas Test Prep**

Question 4.

Mark drew two castles. One had 10 rooms. The other had 7 rooms. Which number sentence shows how many rooms he drew in all?

(A) 10 + 7 = 17

(B) 10 – 7 = 3

(C) 1 + 7 = 8

Answer: A

Explanation:

One had 10 rooms. The other had 7 rooms. 10 + 7 = 1 tens + 7 ones = 17

Question 5.

Which shows 60 + 2 = 62?

Answer: B

Explanation:

each line represents 10 and circle represents 1

60 + 2 = 6 Tens + 2 Ones= 62

Question 6.

What is the sum?

40 + 6 = ___

(A) 46

(B) 42

(C) 64

Answer: A

Explanation:

40 + 6 = 4 Tens + 6 Ones = 46

Question 7.

**Multi-Step** Tim has 1 box of 10 colored pencils. Sam has 4 boxes of 10 pencils. Then Joey gives Tim 3 more pencils. How many pencils do they have?

(A) 43

(B) 5

(C) 53

Answer: C

Explanation:

Tim has 1 box of 10 colored pencils = 10 pencils

Sam has 4 boxes of 10 pencils = 4 X 10 = 40 pencils

Joey gives Tim 3 more pencils . So 10 + 3 = 13 pencils

Sam + Tim = 40 + 13 = 53 pencils