Variables!

Vocabulary

100

What is a variable?

letter that replaces a number

200

What does substitute mean?

Take the place of

300

A number multiplied by the variable

What is the coefficient?

400

Division, multiplication, subtraction, addition are all examples of these.

What are operations?

500

What division is to multiplication, and addition is to subtraction, and vice versa.

What are inverse operations?

Substitution

100

2 + w for w = 6

8

200

12 - m for m = 3

9

300

6 * r for r = 10

60

400

p / 5 for p = 35

7

500

2 + g - 4 for g = 12

10

Key Words

100

Sum means?

addition

200

Product means?

Multiply

300

Quotient means?

Divide

400

Difference means?

Subtract

500

Less than means?

Subtract

Order of Operations

100

(26+5) x 2 - 15

47

200

25 x (5-2) ÷ 5 - 12

3

300

7 + 9 x (3+8)

106

400

16 ÷ 2 x 4

32

500

20 ÷ 4 + 17 x (9-6)

56

Miscellaneous

100

357.1 + 23.9

381

200

Solve 2³

8

300

What would be the first step in this problem?

23 - 4 x 6(6 - 2) + 18

Parenthesis (6-2) 

400

Ms. Hart's favorite type of food

Italian

500

Ms. Hart's favorite genre of music

Rap