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Vocabulary
if x=4
if j=7
if m=1
if a=5 and b=10
100

To replace or plug in a number for a variable.

What is substitution?

100

x + 3

7

100

4j

28

100

16m

16

100

2a - 2b

-10

200

To evaluate an expression.

What is to solve?

200

2x + 3

11

200

6 + j

13

200

10m

10

200

6a - 4b

-10

300

The number next to a variable.

What is a coefficient?

300

5x + 6

26

300

3j

21

300

m + 13

14

300

2a + 10b

110

400

The number that doesn't change its value.

What is a constant?

400

3x - 0

12

400

2j -1

13

400

2m - 10

-8

400

a + 4b

45

500

The expression that has a variable.

What is an Algebraic Expression?

500

x - 2

2

500

9j - 2

61

500

6m + 2

8

500

5a - 6b

-35