Algebraic Thinking

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.
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

What are the constants in the expression?
4 + 16v

• 4, 16v

• 4

• 16

• +16

Which of the following answer choices is NOT an example of a variable?

• 8

• x

• u

• n

What does the algebraic term "coefficient" refer to?

• The number that is added to a variable

• The number that is subtracted from a variable

• The number that multiplies a variable

• The power to which a variable is raised

• 5

• 7

• 11

• 14

A term WITHOUT a variable.

• Constant

• Mixed Fraction

• Algebraic Expression

• Coefficient

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

• 24x

• x - 24

• x + 24

• x/24

4 divided by the sum of a number and 12

• 4 / n + 12

• 4 / 12n

• 4 / (n + 12) 

• (4 / n) + 12

Twenty decreased by x

• 20+x

• 20/x

• x-20

• 20-x