Addition
Subtraction
Rounding
Estimate
Word Problems
100

3.4 + 2.4

What is 5.8

100

4.2 - 1.3

What is 2.9

100

Round 4.55 to the nearest whole number 

What is 5. 

100

Estimate the sum of 12.3 and 2 to the nearest whole number. 

What is 14

100

Nancy was buying food for her birthday party. She bought a 52.93 oz bag of barbeque chips and a 79.6 oz bag of regular chips. How many ounces did she buy all together?

What is 132.53 oz

200

25.348 + 19.832

What is 45.18

200

232 - .93

What is 231.07

200

Round to the nearest tenth 0.63 

What is 0.6

200

Estimate the sum of 3.45 and 8.2 to the nearest whole number. 

What is 11

200

The temperature of the ocean was 67.3 degrees at dawn. By noon, it had increased by 8.6 degrees. What was the temperature at noon?

What is 75.9 degrees.

300

19.729 + 4.32

What is 24.049

300

20.39 - 3.4

What is 16.99

300

Round 13.23 to the nearest tenth. 

What is 13.2

300

Estimate the difference of 12 and 2.8 to the nearest whole number. 

What is 10

300

Todd ran 2 laps. Lap 1 took 8.5 minutes. Lap 2 took 5.2 seconds. How long did it take Todd to run 2 laps?

What is 13.7 minutes.

400

5439.3298 + 2.39

What is 5441.7198

400

14.7 - 4.38

What is 10.32

400

Round $4.64 to the nearest dollar. 

What is $5

400

Estimate the difference between 38.376 and 4.34 to the nearest tenth. 

What is 34.1

400

Maria received $15 an hour for raking leaves. If she She spent $3.25 on candy and $6 on soda. How much money does Maria have left?

What is $5.75

500

1289.36 + 47.627

What is 1,336.987

500

123.76 - 23.41

What is 100.35

500

Round 100.234 to the nearest hundredth. 

What is 100.23

500

Estimate the the difference between $34.12 and $23.83 to the nearest dollar. 

What is $10. 

500

Juan invested some money in the stock market. On Tuesday the value of one share was $28.71. On Wednesday the stock lost $4.27. How much money does he start with on Thursday?

What is $24.44

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