One-Step Equations

Addition

100

b + 14 = 20

b = 6

200

17 = e + 9

e = 8

300

k + 25 = 49

k = 24

400

107 + m = 206

m = 99

500

58 = 12.5 + t

t = 45.5

Subtraction

100

k - 4 = 11

k = 15

200

15 = h - 7

h = 22

300

y - 90 = 47

y = 137

400

j - 3.7 = 20.4

j = 24.1

500

11.2 = f - 1.8

f = 13

Multiplication

100

8t = 56

t = 7

200

42 = 3p

p = 14

300

17u = 51

u = 3

400

4w = 6.8

w = 1.7

500

3.2d = 40.8

d = 12.75

Division

100

v/4 = 5

v = 20

200

12 = 1/6r

r = 72

300

90 = k/2

k = 180

400

4/3y = 36

y = 27

500

9/10 = 5/6v

v = 1 2/25

Challenge

100

9.9 = x + 5.4

x = 4.5

200

11/12 = l + 3/12

l = 2/3

300

5/12 = 5d

d = 1/12

400

2 5/7 = p - 2/7

p = 3

500

2/3k = 28(4/9)

k = 18 2/3