Rounding and Estimation with Decimals

Which of the following is 4.52 when rounded to the nearest hundredth?

• 4.453

• 4.449

• 4.512

• 4.523

Which of the following is 4.5 when rounded to the nearest tenth?

• 4.34

• 4.44

• 4.52

• 4.61

Which number is five and twenty-six thousandths rounded to the nearest tenth?

• 5.0

• 5.1

• 5.02

• 5.03

Round 148.93 to the nearest 1 decimal place.

• 149

• 148.10

• 148.9

• 148

Round 9.47 to 1 decimal place

• 9.5

• 9.4

• 94.7

• 9

What is 12.99 rounded to 1 decimal place?

• 13

• 13.0

• 12.9

• 12.10

round to 2 decimal places 22.484

• 22.49

• 22.48

• 22.40

• 22.00

Estimate the sum.

16.9 + 8.3 ≈ __

• 25

• 26

• 24

• 20

Round 134.67398 to 2 decimal places

• 134.67

• 134.700

• 134.6

• 134.68

Estimate the following sum by first rounding each decimal to the nearest hundred.

428.1 + 186.5 + 210.62