DECIMALS

Adding

100

4.2 + 3.1

7.3

200

7.32 + 5.8

13.12

300

7.99 + 4.78

12.77

400

75.4 + 0.5919

75.9919

500

3.72 + 6.0064

9.7264

Subtracting

100

4.2 - 3.1

1.1

200

38.61 - 5.04

33.57

300

75 - 14.25

60.75

400

17.89123 - 4.52

13.37123

500

Kelly's brother weighs 7.71 pounds. Her newborn kitten weighs 0.24 pounds. How much more does Kelly's baby brother weigh than her kitten?

7.47 pounds

Multiplying

100

1.5 x 3

4.5

200

0.9 x 6

5.4

300

3.12 x 8

24.96

400

4.007 x 4

16.028

500

Ms. Morgan bought 3.5 pounds of bananas at $0.51 a pound and 4.5 pounds of pineapple at $1.19 a pound. How much did she pay for the bananas and the pineapple?

$7.14

Dividing

100

72 ÷ 8

9

200

150 ÷ 2

75

300

9.1 ÷ 7

1.3

400

6.4 ÷ 0.4 = 

16

500

91.52 divided 8

11.44

Equivalent Decimals

100

Are 0.90 and .9 equivalent decimals?

Yes

200

Are 0.009 and 0.090 equivalent decimals?

No

300

Give two equivalent decimals to

0.45

Options:

.45

.450

.4500

.45000

400

List three equivalent decimals for

.809

Options:

0.809                              0.80900

0.8090                           0.809000000000000

.8090

.80900

500

Are 0.045 and 0.45 equivalent decimals?

EXPLAIN YOUR REASONING.

Answers may vary.