Adding and Subtracting Decimals, Rounding Decimals

Find the solution for
10.5 - 0.8

• 9.7

• 2.5

• 10.42

• 11.3

Round 56.3244 to the hundredths place. 

• 56.32

• 56

• 56.324

• 56.3

The Bell family traveled and drove 10.9 hours; then 8.6 hours; then 12.4 hours. What is the sum?

• 31.9 hours

• 30 hours

• 31 miles

• 31.8 hours

2.98 + 5.3=

• 2.51

• 8.28

• 3.63

• 2.37

7.9 + 18.72

• 2662

• 26.62

• 1

• 25.62

0.991 - 0.45

• 0.641 

• 0.541

• 0.551

• 0.531

16.06 - 10.1

• 4.96

• 5.95

• 5.96

• 4.96

Round 45.38 to the tenths place.

• 45.39

• 45.5

• 45

• 45.4

Round 39.466 to the tenths place.

• 39.47

• 39

• 39.5

• 40

Round 29.711 to the nearest whole number.

• 29

• 28

• 30

• 31