Math Review

Inequalities

100

5x + 2 < 17

x < 3

200

21 < 3 + 9x

x > 2

300

-2x - 3 < -5

x > 1

400

3x < 5(x + 3) - 3

x > -6

500

3(5x - 2) + 4x > 9x + 6 - 2x

x > 1

Greatest Common Factor

100

Greatest common factor of: 4, 16, 24

4

200

Greatest common factor of: 16, 72, 80

8

300

Greatest common factor of: 6, 48, 87

3

400

Greatest common factor of: 26, 52, 104

13

500

Greatest common factor of: 17, 34, 66

1

Order of Operations

100

24 ÷ 2 + 14 * 2

40

200

2 - 20 ÷ 5 * 3

-10

300

14 +18 ÷ 2 x 18 – 6

170

400

(9 + 33 - 6) ÷ 6 - 3²

-3

500

(6+4)² + (11 + 10 ÷ 2) - 5²

91

Rounding

100

Round to the nearest ten: 10,984

10,980

200

Round to the nearest hundredth: 987.189

987.19

300

Round to the nearest thousand: 100,951

101,000

400

Round to the nearest hundredth: 192,943.1899

192,943.19

500

Round to the nearest thousand: 894,979.256

895,000

Fractions

100

1/5 ∗ 2/9

2/45

200

Please give your answer as a mixed number (whole number + fraction)

4/7 ÷ 1/3

1 5/7

300

Please give your answer as a mixed number (whole number + fraction) in the most reduced form.

3/4 + 8/11

1 21/44

400

Write your answer as a mixed number (whole number + fraction) in the most reduced form.

3/24 + 9/2 - 1/3

4 7/24

500

Write your answer in the most reduced form:

1/3 - 4/7 + 1/42

-3/14