Math Practice Topic: Proportions 1

Description: This topic covers simple proportions using fractions and ratios.

Adaptive Learning Progression: Fractions, then ratios, then mixed.

Sample Levels (out of 4)

Solve for n

1.

15
20
= n
40
n:
2.

12
15
= n
45
n:

Solve for n

1.
32 : 48 = n : 36
n:
2.
21 : 6 = n : 20
n:

Solve for n

1.
180 : 160 = n : 80
n:
2.

22
10
= n
35
n:

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