Chapter 11 Review

Use mental math. Write the number that is 10 more than 44.

• 54

• 34

• 64

• 44

Marcus buys 26 balloons for his party. Then he buys 10 more balloons. How many balloons does he have now?

• 36

• 26

• 46

• 16

Add. Use blocks or draw lines to help. 3 tens + 5 tens = _____ tens

• 8 tens

• 6 tens

• 7 tens

• 9 tens

Add. Use blocks or draw lines to check. 20 + 50 = _____

• 70

• 60

• 80

• 90

Count on by tens to add. 43 + 20 = _____

• 63

• 53

• 73

• 83

Count on by tens to add. 37 + 50 = _____

• 87

• 77

• 97

• 67

Count on by ones to add. What is 32 + 5?

• 30

• 37

• 35

• 40

Count on by ones to add. What is 43 + 3?

• 46

• 45

• 50

• 40

Count on by ones to add. What is 2 more than 59?

• 60

• 61

• 62

• 63

Add using the place-value chart. What is 43 + 8?

• 51

• 61

• 50

• 411