Algebra Vocab
Mental Math
One-Step Equations Adding and Subtracting
100

What is a variable?

A letter that stands for a #

100

5 x 5

25

100

x + 9 = 12

x = 3

200

What is a constant?

Without a variable

200

9 x 7

63

200

s - 1 = 10

s = 11

300

What is a term?

Single number, variable, or coefficient 

300

9 x 4

32

300

3 = z - 1

z = 4

400
Equation?

A problem with an equal sign

400

7 x 8

56

400

7 = y + 15

y = -8

500

What is the coefficient? 

The # being multiplied by a variable 

500

12 x 12

144

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