Rounding
Decimal Grids
Adding
Subtracting
Word Problems
100

Round 59.76 to the nearest whole.

60

100

Show 0.2 + 0.4 on a decimal grid.

6 out of 10 shaded in

100

Find 0.7 + 0.2.

0.9

100

Find 0.4 - 0.3.

0.1

100

Naveen walks from his house to school everyday. After walking 1.7 miles, he stops at a coffee shop. He then walks 0.5 miles from the coffee shop to school. How much did he walk in total?

2.2 miles

200

Rounding to the nearest whole, find 2.12 + 1.79

2 + 2 = 4

200

Show 0.8 + 0.3 on a decimal grid. 

2 grids, one with 10 filled and one with 1 filled.

200

Find 0.13 + 0.64.

0.77

200

Find 0.59 - 0.24.

0.35

200

Sam has two puppies. The first puppy weighs 5.72 pounds. The second puppy weighs 4.21 pounds. How much more does the first puppy weigh than the second? 

1.51 pounds

300

Rounding to the nearest whole, find 14.89 - 7.37

15 - 7 = 8

300

Show 0.7 - 0.6 on a decimal grid.

7 out of 10 shaded in, 6 crossed out, 1 tenth left.

300

Find 0.28 + 0.9.

1.18

300

Find 1.84 - 0.9.

0.94

300

Mindy rode 12.38 miles yesterday. She rode 11.19 miles today. About how many miles did Mindy ride both days?

23.57

400

Where Richard lives, the average high temperature in March is 53.7 degrees. The average low temperature in march is 42.1 degrees. What equation best estimates the difference between the average high and low temperatures in March?


A. 54-42=12

B. 53-43=10

C. 53-42=11

D. 54-43=11

A. 54-42=12

400

Show 0.7 + 0.11 on a decimal grid.

81 out of 100 shaded in

400

Find 25.38 + 14.14. 

39.52

400

Find 81.49 - 20.74. 

60.75

400

Yvette buys 1.44 pounds of cheddar cheese and 0.7 pounds of provolone. How much more cheddar than provolone did Yvette buy?

0.74

500

What is the best estimate for 47.19 + 24.93?

47 + 25 = 72

500

Show 0.83 - 0.1 on a decimal grid.

73 out of 100 shaded.

500

Find 43.36 + 5.78.

49.14

500

Find 17.28 - 2.9.

14.38

500

Janice makes 2.4 liters of iced tea. After serving the iced tea to her guests, she has 0.29 liters left. How many liters of iced tea did she serve?

2.11

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