Algebraic Expression Math

A mathematical phrase or the part of a number sentence that combines numbers, operation signs, and sometimes variables, but does NOT have an equal sign.

• problem

• equation

• expression

• answer

Evaluate the expression when y=5.

(y + 4) x (3 + 8)

• 89

• 99

• 9

• 19

Will the value of n + 23 or 23 + n be greater when n = 5?

• No, because n has no value

• Yes, because you will get different values.

• Yes, because n is greater than 5.

• No, because you will get the same value.

Tell whether the equation is true or false when n = 5.

60/n = 12

• true

• false

For a monthly family cookout, David buys 3 packages of hot dogs and 4 packages of hamburger patties. Hot dog packages each contain x hot dogs. Hamburger packages each contain y hamburger patties. Complete the expressions for the total number of hot dogs and hamburger patties David buys for 6 cookouts.

• 3

• 4

• 18

• 24

• 7

For a monthly family cookout, David buys 3 packages of hot dogs and 4 packages of hamburger patties. Hot dog packages each contain x hot dogs. Hamburger packages each contain y hamburger patties. Complete the expressions for the total number of hot dogs and hamburger patties David buys for 6 cookouts. 6( ​ (a)   x + ​ (b)   y)

​ (c)   x + ​ (d)   y

• 3

• 4

• 18

• 24

• 7

Is the inequality true or false?

16 > t + 12 ; t = 3

• true

• false

Tell whether the equation is true or false.

a ÷ 3 = 20 - 1 ; a = 57

• true

• false

A _________ is a letter or symbol in math.

• expression

• variable

• value

• inequality

Which equation is true when c = 9?

• 3 x c = 21

• c + 44 = 55

• 27 - 3 = c x 3

• 10 - c = 9 ÷ 9