Modelling and Writing Expressions

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.

• 4m + 8

• 8m - 4

• 8m + 4

• 4m - 8

• the sum of 6 and m

• the product of 6 and m

• the difference of 6 and m

• the quotient of 6 and m

Which of the following expressions contains the variables x, y, and z?

• 4x + 6y + 10z

• 4x + 6y

• 4x + 10z

• 6y +10z

Translate this phrase into an algebraic expression.
Use d to represent Victoria's test score.

• 24x

• x - 24

• x + 24

• x/24

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.

• 4m + 8

• 8m - 4

• 8m + 4

• 4m - 8

4 divided by the sum of a number and 12

• 4 / n + 12

• 4 / 12n

• 4 / (n + 12) 

• (4 / n) + 12

Evaluate the expression using the values
 m = 7, r = 8, and t = 2.
4m + t

• 30

• 28

• 26

• 14

Twenty decreased by x

• 20+x

• 20/x

• x-20

• 20-x

Evaluate 6p - 3  when p = 2

• 5

• 15

• 9

• 12

Identify the variables in the expression
3x +  9

• x

• y

• 9

• 3x