Translating ABC to 123
Exponents
Vocabulary
Evaluating expressions A
Expressions word problems
100

Three less than k

k - 3

100

Write "x to the fifth power" in exponential form

x5

100

A symbol (usually a letter) that stands for an unknown value

variable

100

4x - 5      if x = 3

7

100

the volume of a rectangular prism is calculated by finding the product of the length, width, and height. Write an expression to find the volume of any right rectangular prism

lwh

200

The product of 8 and n

8n

200

Write 4 x 4 x 4 in exponential form

43

200

In the expression below, what is the coefficient? 3x + 5

3

200

40 - 6k    when k = 2

28

200

The expression 1/2(bh) is used to find the area of a triangle. What would the area be if the base is 4cm and height is 20cm?

40 sq cm

300

Five more than the product of 3 and k

3k + 5

300

Write 56 in expanded form

5 x 5 x 5 x 5 x 5 x 5

300

Replacing a variable with a number value is known as this

substituting

300

(5m / 4) - n2 when    m = 20 and n = 5

0

300

You and your friends order some pizzas that cost $12 per pizza.  Write an expression to find the total cost of pizzas.

12p

400

10 less than the quotient of 8 and x

(8 / x) - 10

400

Simplify 23 + 33

35

400

After substituting values in for variables in an expression, you can then ____________ the expression

evaluate OR simplify

400

1.5n - 2.7    when n = 4.2

3.6

400

The electric company charges a flat rate of $30, plus $7 per unit of energy used each month. Write an expression that show how much you will be charged each month

30 + 7u

500

5 fewer than a number squared

n2 - 5

500

Simplify 53

125

500

A number in an expression that doesn't change is called a what?

a constant

500

4x - 2y + 15 When x = 3 and y = 2

23

500

Airplanes must carry a certain amount of fuel depending on how far they are traveling and how many passengers they are carrying. A plane must carry 75 gallons, plus 10 gallons for each passenger, plus 2 gallons for each mile traveled. Write an expression to show how much fuel a plane should carry

75 + 10p + 2m