Inverse Operations Adding and Subtracting

Inverse Operations are operations which undo each other.

• True

• False

d + 3 = 8

d = ?

• d = 3

• d = 8

• d = 5

• d = 11

5 + g = 6

g = ?

• g = 5

• g = 1

• g = 11

• g = 9

What is the inverse operation of subtracting?

• Adding

• Subtracting

• Multiplying

• Dividing

What is the inverse of subtracting ten?

• Adding ten

• Multiplying by ten

• Dividing by ten

• Subtracting five

What is a good first step to solving 2x - 8 = 20 using inverse operations?

• Adding 8 to both sides of the equation

• Subtracting 8 from the left side of the equation only

• Subtracting 8 from both sides of the equation

• Adding 8 to the right side of the equation only

(Solve for x:) x + 3 = 5

• x = 2

• x = 5

• x = 3

• x = -2

What is an inverse operation?

• When you flip a fraction upside down

• The opposite of an equal sign

• An operation that makes an expression more complex

• An operation that "undoes" the effect of another operation

Which pair of operations are inverses of each other?

• exponents and parentheses

• multiplication and addition

• addition and subtraction

• division and subtraction

What is a good first step to solving 4x + 5 = 20 using inverse operations?

• Adding 5 to both sides of the equation

• Subtracting 5 from the left side of the equation only

• Subtracting 5 from both sides of the equation

• Adding 5 to the right side of the equation only