Operations with Decimals

Addition/Subtraction

100

3.4 + 2.4

What is 5.8

200

25.348 + 19.832

What is 45.18

300

19.729 - 4.32

What is 15.409

400

5439.3298 + 2.39

What is 5441.7198

500

1289.36 - 47.627

What is 1241.733

Multiplication

100

0.2 x 1.3

What is .26

200

232 x .93

What is 215.76

300

.2039 x 3.4

What is .69326

400

1.4783 x 4.38

What is 4.474954

500

12.376 x 234.1

What is 2897.2216

Division

100

4.55 / 5

What is .91

200

0.63 / 7

What is .09

300

12 / .04

What is 300

400

1.896 /.08

What is 23.7

500

98.02 / 2.9

What is 33.8

Rounding

100

13.423 to the nearest tenths

What is 13.4

200

6.289 to the nearest hundredths

What is 6.29

300

13.556 to the nearest whole number

What is 14

400

312.478 to the nearest tens

What is 310

500

289.67 to the nearest whole number

What is 290

Comparing

100

True or False? 

0.52 < 0.6

True

200

True or False?

0.9 < 0.89

False

300

Order from least to greatest: 0.23, 0.6, 0.52

0.23, 0.52, 0.6

400

Order from greatest to least: 5.70, 6.1, 5.8

6.1, 5.8, 5.70

500

Is this comparison correct?

0.9>0.89>0.869

YES!