Expressions and Equations

Addition

100

s + 18 = 35

s = 17

200

23 = 7 + x

x = 16

300

3.7 + z = 10.4

z = 6.7

400

25.72 = 16.84 + t

t = 8.88

500

Write an addition equation where z = 5.3

example:  8 = z + 2.7

Subtraction

100

y - 27 = 15

y = 42

200

93 = b - 11

b = 104

300

c - 8.2 = 12.7

c = 20.9

400

19.64 = u - 24.31

u = 43.95

500

Write a subtraction equation where c = 23

c - 5 = 18

Multiplication

100

4x = 56

x = 14

200

34 = 2w

w = 17

300

2.5c = 12.5

c = 5

400

18.5 = 5a

a = 3.7

500

Write a multiplication equation where e = 10

example  5e = 50

Division

100

x/5 = 18

x = 90

200

5 = x/3

x = 15

300

2.5 = x/8

x = 20

400

w/3.9 = 8.7

w = 33.93

500

Write an division equation where m = 21

m/7 = 3

Wild Card

100

What is the coefficient of the following expression:

4x + 18

4

200

What is the constant in the following expression:

4 + 6z

4

300

Find the mean of the following data set:

3, 7, 5, 5, 85

mean is 21

400

Write and expression with a constant of 8 and a coefficient of 3

3x + 8

500

What are the 2 best school days of the year?

Math MCAS!