Unit Review

Written Expressions Vocabulary

100

The number in front of a variable

Coefficient

200

A number (no variable)

Constant

300

A group of numbers and variables separated by (+) or (-)

5x + 2 + 3y

term

400

A letter that represents a number

variable

500

A math phrase with numbers, operations and variables

Expression

Writing Expressions

100

5 less than a number

n-5

200

The product of two and a number

2n

300

The quotient of a number and 6

n/6

400

the sum of 4 and a number

4 + n

500

3 times the difference of a number and 2

3* (n-2)

Combine Like Terms

100

Simplify

5x + 2x + 3y

7x + 3y

200

Simplify.

4y + 2y + 3x + 2x

6y +5x

300

Simplify.

13x - 5x + 7y + 12

8x +7y+12

400

Simplify.

24x + 13y - 12x + 2y + 4

12x+ 15y + 4

500

Simplify.

10x² + 5x + 4x² + 2x

14x² + 7x

Squares and Square Roots

100

Solve.

5²

25

200

Solve.

3²

9

300

Solve.

Square root of 64

 

8

400

Find the square root of 49

7

500

Find the square root of 81

9

Integers

100

Solve.

4 + (-2)

2

200

15 - (-4)

19

300

5(-3)

-15

400

(-3)(-4)

-12

500

(-24)/(8)

-3