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Variables
Adding
Subtracting
100

Is X a variable?

Yes
100

13 + K = 19

What is 6

100

6 - i = 6

What is 0

200

Is 4 a variable?

No
200

9 + d = 18

What is 9

200

% - 10 = 50

What is 60

300

Is $ a variable?

Yes

300

R + 13 + 2 = 33

What is 18

300

23 - 8 - @ = 9

What is 6 

400

Give a SYMBOL example of a variable

Examples: @, #, $, %, ^, &, *

400

59 + & = 99 + 1

What is 41

400

78 - S - 10 = 25

What is 43

500

What is a variable?

A variable is a SYMBOL (or letter) that represents an unknown value.

500

6 + 2 + 4 + 9 + P = 77

What is 51

500

Create an equation where  # = 125

*Answers will Vary*