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## Texas Go Math Grade 2 Lesson 6.2 Answer Key Use Compensation

**Explore**

Draw quick pictures to show the problems.

**FOR THE TEACHER** • Have children draw quick pictures to solve this problem. Kara has 47 stickers. She buys 20 more stickers, How many stickers does she have now? Repeat for this problem. 1vrone has 30 stickers and buys 52 more stickers. How many stickers does he have now?

Answer:

47 + 20 = 67

30 + 52 = 82

Explanation:

The tens and ones are added separately

40 + 7 + 20 =

60 + 7 = 67

Kara has 67

30 + 50 + 2 =

80 + 2 = 82

Tyrone has 82

**Math Talk**

**Mathematical Processes**

Describe how you found how many stickers Tyrone has.

Answer:

Tens and ones are added separately

30 +52 =

30 +50 + 2 =

80 + 2 = 82

**Model and Draw**

Take ones from an addend to make the other addend the next tens number.

Adding can be easier when one of the addends is a tens number.

25 + 48 = ?

Answer:

Explanation:

25 + 48 = 73

23 + 2 = 25

25 is written as 23 + 2

**Share and Show**

**Show how to make one addend the next tens number. Complete the new addition sentence.**

Question 1.

37 + 25 = ?

Answer:

Explanation:

37 + 25 = 62

40 + 22 = 62

25 is written as 22 + 3

Question 2.

27 + 46 = ?

_____________ + __________ = ___________

Answer:

Explanation:

46 is written as 43 + 3

27 + 3 = 30

30 + 43 = 73

Question 3.

14 + 29 = ?

_____________ + __________ = ___________

Answer:

14 + 29 = 43

14 is written as 13 + 1

Explanation: