Equations

An equation is...

• a problem that contains at least one variable and at least one operation; no equal sign

• a mathematical sentence showing two expressions are equal.

• The solution for a variable

• The value that results in a true sentence

d + 3 = 8

d = ?

• d = 3

• d = 8

• d = 5

• d = 11

4g = 24

g = ?

• g = 96

• g = 28

• g = 6

• g = 20

2.5y = 5

y = ?

• y = 2

• y = 2.5

• y = 7.5

• y = 12.5

5 = p ÷ 4

p = ?

• p = 9

• p = 1

• p = 5

• p = 20

w ÷ 6 = 7

• w = 42

• w = 13

• w = 1

• w = 36

What is the inverse operation of adding?

• Adding

• Subtracting

• Multiplying

• Dividing

What is the inverse operation of dividing?

• Adding

• Subtracting

• Multiplying

• Dividing

What is the inverse operation of subtracting?

• Adding

• Subtracting

• Multiplying

• Dividing

What is the inverse operation of multiplying?

• Adding

• Subtracting

• Multiplying

• Dividing