Decimals & Decimal Operations

Decimal Form

100

4 tenths

0.4

200

5 and 2 hundredths

5.02

300

21 thousandths

0.021

400

7 ones + 81 thousandths

7.081

500

1 ten + 6 ones + 2 tenths + 4 hundredths + 9 thousandths

16.249

Rounding

100

2.345 rounded to the nearest hundredth

2.35

200

3.294 rounded to the nearest hundredth

3.29

300

2.029 rounded to the nearest whole number

2

400

25.757 rounded to the nearest tenth

25.8

500

1.75 rounded to the nearest tenth

1.8

Comparing

100

Which is greater: 0.012 or 0.12?

0.12

200

Order the decimals from least to greatest: 0.7, 0.18, 0.315

0.18, 0.315, 0.7

300

Which is smaller: 0.404 or 0.44?

0.404

400

Order the decimals from greatest to least: 1.008, 0.08, 0.108

1.008, 0.108, 0.08

500

Is 0.87 greater than, less than or equal to 87 hundredths?

equal to

Adding/Subtracting

100

0.503 + 0.222 = ?

0.725

200

5.93 - 1.98 = ?

3.95

300

8.65 + 3.45 = ?

12.1 or 12.10

400

9 + 2.22 = ?

11.22

500

10.87 - 7.60 = ?

3.27

Multiplying

100

4.9 x 2 = ?

9.8

200

0.56 x 4 = ?

2.24

300

1.75 x 5 = ?

8.75

400

15.25 x 3 = ?

45.75

500

11.29 x 10 = ?

112.90 or 112.9