Math Review

Rounding

100

Round 1.12 to the nearest whole number.

1

200

Round 5.46 to the nearest tenth.

5.5

300

Round 9.09 to the nearest tenth.

9.1

400

Round 54.468 to the nearest hundredth. 

54.47

500

Round 5,422.912 to the nearest thousand. 

5,000

Ordering

100

Order from least to greatest: 1.2, 0.9, 1.02

0.9, 1.02, 1.2

200

Order from least to greatest: 5.41, 4.51, 4.05

4.05, 4.51, 5.41

300

Order from least to greatest: 1.1, 1.01, 1.11

1.01, 1.1, 1.11

400

Order from least to greatest: 0.009, 0.9, 0.09

0.009, 0.09, 0.9 

500

Order from greatest to least: 11.01, 110.1, 10.10

110.1, 11.01, 10.10

Adding

100

8.4+2.1

10.5

200

10.01+7.14

17.15

300

54.12+16.84

70.96

400

50.64+16.21

66.85

500

90.18+22.42

112.60

Subtracting

100

1.12-1

.12

200

8.64-2.32

6.32

300

15.45-12.33

3.12

400

58.18-32.75

25.43

500

50.29-23.53

26.76

Say the Decimal

100

1.3

One and three tenths.

200

5.24

Five and twenty-four hundredths.

300

9.101

Nine and one hundred one thousandths. 

400

2,546.64

Two thousand, five hundred forty-six and sixty-four hundredths. 

500

84,923.539

Eighty-four thousand, nine hundred twenty-three and five hundred thirty-nine thousandths.