Show:
Miscellaneous
Multiplying
Dividing
Multiplication & Addition
Multiplication & Subtraction
100
A letter used to represent an unknown number
What is a variable?
100

2x=22

What is 11?

100

x/4=5

What is 20?

100
2k + 5 = 17
What is 6 ?
100
3a - 5 = 4
What is 3 ?
200
The opposite of addition
What is subtraction?
200

6x=24

What is 4?

200

x/10=4

What is 40?

200
2a + 11 = 35
What is 12 ?
200
5m - 7 = 23
What is 6 ?
300

The opposite of multiplication

What is division?

300

3x=36

What is 12?

300

x/3=3

What is 9?

300
2r + 39 = 65
What is 13 ?
300
6k - 5 = 43
What is 8 ?
400
The four basic operations
What are addition, subtraction, multiplication, and division?
400

4x=28

What is 7?

400

x/6=3

What is 18?

400
12s + 27 = 171
What is 12 ?
400
4j - 71 = 29
What is 25 ?
500
A number right in front of a variable
What is a coefficient?
500

5x=30

What is 6?

500

x/7=2

What is 14?

500
19b + 314 = 1663
What is 71 ?
500
21q - 39 = 234
What is 13 ?