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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: