Go through the Math in Focus Grade 3 Workbook Answer Key Chapter 2 Practice 3 More Mental Addition to finish your assignments.

## Math in Focus Grade 3 Chapter 2 Practice 3 Answer Key More Mental Addition

**Add mentally. First, add 100. Then, subtract the extra ones.**

Example

Question 1.

26 + 96 = ?

26 + 100 = ___

26 + 96 = ___ – ___ – ___

= ____

So, 26 + 96 = ___

Answer:

26 + 100 = 126

26 + 96 = 126 – 4

= 122

So, 26 + 96 = 122

Question 2.

38 + 95 = ?

38 + 100 = ___

___ – ___ = ___

So, 38 + 95 = ___

Answer:

38 + 100 = 138

138 – 5 = 133

So, 38 + 95 = 133

**Add mentally.**

**First, add the hundreds. Then, subtract the extra ones.**

Example

Question 3.

98 + 96 = ?

100 + 100 = ___

98 + 96 = ___ – ___ – ___

= ___

So, 98 + 96 = ____

Answer:

100 + 100 = 200

98 + 96 = 200 – 2 – 4

= 194

So, 98 + 96 = 194

Question 4.

94 + 98 = ?

100 + 100 = ___

94 + 98 = ___ – ___ – ____

= ____

So, 94 + 98 = ___

Answer:

100 + 100 = 200

94 + 98 = 200 – 6 – 2

= 192

So, 94 + 98 = 192