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100

Takes the place of an unknown number

Variable

100

Translate into an expression:

Two times a number n.

2n

100

Evaluate.

3p-14, when p=5

1

100
4² - 1² =
15
100

List the terms in this expression:

7(x +4)

Term 1: 7

Term 2: (x+4)

200

What operational phrase tells you to write you expression backwards?

Less than or subtract from
200

Translate into an expression:

Eight times the difference of y and 9.

8(y-9)

200

True or false?

20=86-h when h=46

True

200

(11 – 22) + 3²

16
200

4x when x=3

64

300

What do we use to notate repeated multiplication?

An Exponent

300
Write the expression: Two less than five times a number n.
5n - 2
300

What values of y makes this equation true?

5y + 1 =31

6

300

(9 - 22 + 10 x 8)÷5

17
300

The number of girls in a second-grade class is 4 less than the number of boys.

Let b represent the number of boys.

Write an expression for the number of girls.

b-4

400
You do this operation if two terms are written side-by-side

Multiplication

400

Translate into an expression:

Nine times the difference between five less than twice x

9(2x-5)

400
Evaluate.

z2 + 8.5 , when z=2

12.5

400

((9 + 3 – 8) x 10) ÷ 22 =

10
400

Adele bought a skirt and a blouse. The skirt cost \$15 more than the blouse.

Let b represent the cost of the blouse.

Write an expression for the cost of the skirt.

b+15

500
List the 4 operational words that tell you when it is necessary to use parenthesis to notate a special group

The sum of

The difference between

The product of

The quotient of

500

The quotient of r and 9, less than 4

4- r/9

500

Evaluate.

7+(d3 -15) when d=3

19

500
12 + 6² ÷ ( 1+ 4 x 2) - 3 x 2² =
4
500

Write in word form.

5a2 - (12 + b)

The product of five and a number squared, minus the sum of 12 and b.

The sum of 12 and b, less than the product of 5 times a number squared.

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