Writing and Uderstanding Algebraic Expressions

Which expression represents “the product of a number g and 8”?

• g + 8

• g - 8

• 8g

Marion is 3 years more than 5 times as old as Paula. If p represents Paula’s age, which expression represents Marion’s age?

• 3p + 5

• 3p - 5

• 5p + 3

• 5p - 3

Which expression represents “9 less than the product of 5 and a number n”?

• 2

• 6

• 9

• x

Which represents the sum of 8 and a number split into 3 equal groups?

the difference of two and a number

• 2 - x

• x - 2

• 2x

• 2/x

twenty times a number

• 20 + x

• x - 20

• 20x

• x/20

ten divided by a number

• x + 10

• 10 - x

• 10/x

• x/10

the quotient of a number and twelve

• x + 12

• x - 12

• 12/x

• x/12

4 less than a number

• 4/n

• 4 + n

• n/4

• n - 4