Review 2.2 and 2.4

Estimate 3.23 + 3.89 by rounding to the nearest whole number.

• 8

• 7

• 6

• 7.12

Estimate the difference by rounding to the nearest ten for 75 - 44.

• 30

• 40

• 50

• 31

Estimate the sum by rounding to the nearest thousand: 6,177 + 1,983

• 4,000

• 5,000

• 7,000

• 8,000

Find the sum of 0.74 and 0.52

• 1.26

• 1.22

• 0.22

• 0.32

Find the sum of 4 + 84.7

• 85.1

• 80.7

• 84.3

• 88.7

Find the sum of 0.94 + 0.63 + 1.2

• 1.69

• 2.77

• 1.77

• 2.69

Find the sum of 33.5 + 41.71

• 74.22

• 84.21

• 75.21

• 70

Find the sum: 14.64 + 17.3

• 15.33

• 21.93

• 21.67

• 21.79