Chapter 5 Test review

Which is the best estimate?

11.36+52.6=

• 42

• 63

• 64

• 65

Which is the best estimate?

69.58-34.26=

• 36

• 37

• 103

• 104

Adrienne's lunch cost $13.16. She hands the cashier $20. About how much change does she receive?

• $6

• $7

• $8

• $9

Last week, the Tasha Cola company had sales of $2,346.87. This week, the company had sales of $8, 867.14. Which is the best estimate of the company's total sales for BOTH weeks?

• $6,000

• $9,000

• $10,000

• $11,000

63.8+8.12=

• 55.67

• 61.72

• 71.92

• 72.71

73.28+32.48=

• 40.8

• 101.20

• 104.76

• 105.76

69.77+5.02=

• 74.79

• 74.98

• 75.75

• 75.79

Which property is shown below?

(64+79)+48=64+ (79+48)

• associative

• commutative

• identity

• distributive

Which property is shown below?

745.96+0=745.96

• associative

• commutative

• identity

• distributive

42.28-3.64=