Multiplication Division Unknown Equations

What operation do these terms mean?

• addition

• subtraction

• multiplication

• division

Write an expression to match the words:
the product of five and nine

• 5 x 9

• 5 + 9

• 9 - 5

• 95

the quotient of twenty and two

• 20 x 2

• 20 + 2

• 20 - 2

• 20 ÷ 2

A number five times is twenty five.

• 3x = 25

• 4x = 25

• 5x = 25

• 6x = 24

When solving algebraic equations, to undo multiplication we use ______________ .

• multiplication

• subtraction

• addition

• division

When solving algebraic equations, to undo division we use ______________ .

• subtraction

• addition

• multiplication

• division

Determine the unknown and define the variable of the question below:

It costs $14 to attend the South Florida Fair. Wristbands for the amusement park rides cost $2 each. How many wristbands can you buy at the fair if you have $30 to spend?

• the number of people attending the fair; p = people

• the number of rides at the fair; r = rides

• the number of wristbands you can buy; w = wristbands

What is the inverse of multiplication?

• multiplication

• addition

• division

• subtraction

When you use the reciprocal of a fractional coefficient to each side of an equation, you use the ___________.

• Addition Property of Equality

• Subtraction Property of Equality

• Multiplication Property of Equality

• Division Property of Equality

What property is represented here:

• Multiplication Property of Equality

• Division Property of Equality

• Combining Like Terms

• Distributive Property