Show:
Proportions (Equivalent Ratios)
Substitution
Equations (1-2 Step)
Is (x,y) a solution?
Inverse (Opposite) Operations
100

1/3 = ?/6

2

100

If p = 3

p + 1 = ?

4

100

f - 3 = 6

f = ?

f = 9

100

x + 1 = y

Is (7, 8) a valid solution? Yes or No?

YES

100

What is the inverse operation:

Plus 2

Subtract 2

200

?/4 = 2/2

4

200

If n = 12

n + 6 = ?

18

200

4e = 8

e = ?

e = 2

200

x + 6 = y

Is (2, 3) a valid solution? Yes or No?

NO

200

What is the inverse operation:

Multiply by 4

Divide by 4

300

10/18 = 5/?

9

300

If m = 9

m - 4 = ?

5

300

d/5 = 20

d = ?

d = 20

300

x - 4 = y

Is (5, 1) a valid solution? Yes or No?

YES

300

What is the inverse operation:

y - 6

Add 6

(Or plus 6)

400

12/? = 3/2

8

400

If k = 8

2k = ?

16

400

3g + 1 = 7

g = ?

g = 2

400

2x = y

Is (3, 9) a valid solution? Yes or No?

NO

400

What is the inverse operation:

8y

Divide by 8

500

7/3 = 14/?

6

500

If j = 15

j/3 = ?

5

500

2h - 5 = 15

h = ?

h = 10

500

x/3 = y

Is (6, 2) a valid solution? Yes or No?

YES

500

What is the inverse operation:

y/10

Multiply by 10

(Or times 10)