pre alg practice

order of ops

100

16 - 18 ÷ (-3)

22

200

60 x 3 ÷ 2^2

45

300

[4(7 + 3)] - (-8)

48

400

4.8 ÷ (-4)(2) + (-35)

- 37.4

500

[5 x 8 - (-9)] ÷ (10 - 6 + 3)

7

solve equations

100

32 + n = 109

n = 77

200

6n = 14.4

n = 2.4

300

n ÷ 72 = 0.03

n = 2.16

400

n/4 - 3 = 1

n = 16

500

63 - 4n = 55

n = 2

solve inequalities

100

6n < 126

n < 21

200

n/-3 < 9

n > -27

300

n/4 + 3 > 1

n > - 8

400

- 3 - 4n > 5

n < - 2

500

2 - n/7 > - 6

n < 56

proportions

100

48/n = 6/12

n = 96

200

27/63 = n/7

n = 3

300

n/15 = 18/45

n = 6

400

72/64 = 18/n

n = 16

500

21/n = 147/105

n = 15

fraction, decimal, %

100

0.016 as a percent

1.6%

200

1/20 as a percent

5%

300

72% as a fraction in simplest form

18/25

400

225% as a fraction in simplest form

2 1/4

500

which number is NOT equal to the others?

0.375

37 1/2%

3/8

37:100

37:100