Math 4th

Adding Decimals

100

2.2+1.2=

3.4

200

23.4+12.3=

35.7

300

52.6+1.35=

53.95

400

124.3+28.96=

153.26

500

12.5+10.35+28.9=

51.75

Subtracting Decimals

100

2.9-1.9=

1

200

23.9-13.9=

10

300

47.8-23=

24.8

400

234.4-75.83=

158.57

500

100-9.9=

90.1

Multiplying Decimals

100

2.2 X 2=

4.4

200

4.1 x 3=

12.3

300

5.5 x 2.2=

12.1

400

34.6 x 4 =

138.4

500

23.4 x 2.5 =

58.5

Word Problems

100

Mrs.Smith ran 1.5 miles on Monday, 2.4 miles on Tuesday, and 1.1 miles on Wednesday. How many miles did she run all together? 

5 miles

200

Mrs. Agnes bought a new pair of shoes for $20.99 and a new coat for $75.23. How much did Mrs.Agnes spend all together? 

$96.22

300

Mrs. Devaney swam 0.5 miles on Friday, 0.75 on Saturday, and 1.1 miles on Sunday. How much did she swim on Friday, and Sunday? 

1.6 miles

400

Mrs. Agresta bought a watermelon that weights 9.76 pounds, and cantelope that weighted 5.6 pounds. How much heavier was the watermelon than the cantelope?

4.16 pounds 

500

Mrs.Agnes has $302.25 to spend. She bough lunch for $19.99, and new hat for $34.99. She then bought groceries for $107.88. Mrs. Agnes then decided she did not want the hat and returned it for a full refund. How much money did Mrs.Agnes have left? 

$174.38