Refer to our Texas Go Math Grade 2 Answer Key Pdf to score good marks in the exams. Test yourself by practicing the problems from Texas Go Math Grade 2 Lesson 6.4 Answer Key Break Apart Addends as Tens and Ones.

## Texas Go Math Grade 2 Lesson 6.4 Answer Key Model and Record 2-Digit Addition

**Explore**

Use to model the problem. Draw quick pictures to show what you did.

**FOR THE TEACHER** • Read the following problem. Mr. Riley’s class collected 54 cans for the food drive. Sam brought in 7 more cans. How many cans did the class collect?

Answer:

Explanation:

Mr. Riley’s class collected 54 cans for the food drive.

Sam brought in 7 more cans.

54 + 7 = 61

61 cans that the class collect

**Math Talk**

**Mathematical Processes**

When adding two numbers, how do you decide when to make a new ten? Explain.

Answer:

**Model and Draw**

Add 37 and 26. If you can make a ten, regroup.

**Share and Show**

**Draw quick pictures to help you solve. Write the sum.**

Question 1.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 2.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

**Problem Solving**

**Draw quick pictures to help you solve. Write the sum.**

Question 3.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 4.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 5.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 6.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 7.

**H.O.T. Multi-Step** Tim has 36 stickers. Margo has 44 stickers. How many more stickers would they need to have 100 stickers altogether?

_________ more stickers

Answer:

20 more stickers

Explanation:

Tim has 36 stickers.

Margo has 44 stickers.

44 + 36 = 80

100 – 80 = 20

20 more stickers that they need to have 100 stickers altogether

Question 8.

**H.O.T. Multi-Step** Chris and Bianca got 85 points in all in a contest. Each child got more than 35 points. How many points could each child have gotten?

Chris: __________ points

Bianca: _________ points

Answer:

Chris: 40 points

Bianca: 45 points

Explanation:

Chris and Bianca got 85 points in all in a contest.

Each child got more than 35 points.

40 + 45 = 85

40 , 45 points could each child have gotten

**Daily Assessment Task**

**Choose the correct answer.**

Question 9.

Connect Barbara saw 34 large birds and 28 small birds. How many birds did she see?

(A) 52

(B) 62

(C) 58

Answer: B

Explanation:

Barbara saw 34 large birds

and 28 small birds.

34 + 28 = 62

62 birds that she see

Question 10.

Multi-Step Alex and Tom each have 18 pebbles. Mona has 25 pebbles. How many pebbles do the three children have?

(A) 61

(B) 43

(C) 51

Answer: B

Explanation:

Alex and Tom each have 18 pebbles.

Mona has 25 pebbles.

18 + 25 = 43

43 pebbles that the three children have

Question 11.

Analyze Dion counted 35 seagulls in the morning and 15 seagulls in the afternoon. How many seagulls did he count?

(A) 45

(B) 50

(C) 40

Answer: B

Explanation:

Analyze Dion counted 35 seagulls in the morning

and 15 seagulls in the afternoon.

35 + 15 = 50

50 seagulls that he count

Question 12.

**TEXAS Test Prep** Ms. Green’s students painted 19 pictures. Mr. Lee’s students painted 23 pictures. How many pictures did the students paint?

(A) 39

(B) 32

(C) 42

Answer: C

Explanation:

Ms. Green’s students painted 19 pictures.

Mr. Lee’s students painted 23 pictures.

19 + 23 = 42

42 pictures that the students paint

**TAKE HOME ACTIVITY** • Write two 2 digit numbers less than 50. Ask your child if he or she would regroup to find the sum.

Answer:

### Texas Go Math Grade 2 Lesson 6.4 Homework and Practice Answer Key

**Draw quick pictures to help you solve. Write the sum.**

Question 1.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 2.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 3.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

Question 4.

Answer:

Explanation:

The line represent the tens and the dot represent the ones

first ones are added the regrouped to tens and ones

**Problem Solving**

**Choose a way to solve. Write or draw to explain.**

Question 5.

**Multi-Step** A baker wants to sell 100 muffins. So far the baker has sold 48 corn muffins and 42 bran muffins. How many more muffins does the baker need to sell?

__________ more muffins

Answer:

10 more muffins

Explanation:

A baker wants to sell 100 muffins.

So far the baker has sold 48 corn muffins

and 42 bran muffins.

48 + 42 = 90

100 – 90 = 10

10 more muffins that the baker need to sell

**Lesson Check**

**Choose the correct answer.**

Question 6.

Daria made 27 drawings. Sue Ann made 34 drawings. How many drawings did they make in all?

(A) 61

(B) 53

(C) 41

Answer: A

Explanation:

Daria made 27 drawings.

Sue Ann made 34 drawings.

27 + 34 = 61

61 drawings that they make in all

Question 7.

Tim and his family spent the day hiking. In the morning Tim counted 35 birds. In the afternoon he counted 36 birds. How many birds did Tim count?

(A) 71

(B) 61

(C) 72

Answer: A

Explanation:

Tim and his family spent the day hiking.

In the morning Tim counted 35 birds.

In the afternoon he counted 36 birds.

35 + 36 = 71

71 birds that Tim count

Question 8.

Rose brings 59 bottles to the recycling center on Friday. On Saturday Rose brings 33 more bottles to the recycling center. How many bottles does she bring to the recycling center on those two days?

(A) 96

(B) 92

(C) 82

Answer: B

Explanation:

Rose brings 59 bottles to the recycling center on Friday.

On Saturday Rose brings 33 more bottles to the recycling center.

59 + 33 = 92

92 bottles that she bring to the recycling center on those two days

Question 9.

**Multi-Step** Ryan counted 29 bricks. Amanda counted 47 bricks and then counted 10 more. How many bricks did they count altogether?

(A) 72

(B) 66

(C) 86

Answer: C

Explanation:

Ryan counted 29 bricks.

Amanda counted 47 bricks and

then counted 10 more.

29 + 47 + 10 = 86

86 bricks that they count altogether