Transition to Algebra

Translate this phrase into an algebraic expression.

8 less than the product of 4 and a number

Use the variable m to represent the unknown number.

• 8 − 4m

• 8m − 4

• 8m + 4

• 4m − 8

Translate: two times the sum of a number and five

• 2 + y + 5

• 2y + 5

• 2(y + 5)

• 2 − y + 5

Three less than twice a number

• 2x − 3

• 3x − 2

• 3 − 2x

• 2 − 3x

The difference of a number and 7

• 7 − x

• x + 7

• x/7

• x − 7

"Subtracted from" and "less than" are terms that mean you need to "turn around" or "flip" the terms around.

• True

• False

Translate the phrase into an algebraic expression

"57 more than 3 times Kate's score" Use the variable g to represent Kate's score.

• 57g + 3

• 3g + 57

• 3g - 57

• 57 + 3g

Translate the phrase into an algebraic expression

"8 less than the product of 4 and a number"

Use the variable m to represent the unknown number.

• 8 - 4m

• 8m + 4

• 8m - 4

• 4m - 8

Translate the phrase into an algebraic expression

"35 multiplied by the quantity r less than 45"

• 35(r - 45)

• 35(45 - r)

• 35r - 45

• 45 - 35r

Which of the following expressions would need parentheses?

• 4 times the difference of a number and 8

• Five times a number increased by 7

• 4 times a number

• 15 less than a number multiplied by 12

Mike is 6 years younger than twice Iris's age. What expression can be used to find Mike's age?

• 6 + 2a

• 2a - 6

• 6 - 2a

• 12 - a