Math Practice Topic: Inverse Equations 1

Description: Relate addition to subtraction by studying inverse equations. For example, since 8+6=14, 14-6=8.

Adaptive Learning Progression: The operands get larger as the rating increases.

Sample Levels (out of 4)

Complete the equation that is the inverse of the original.

1.
An inverse equation of 3 - 2 = 1 is
2.
An inverse equation of 5 - 2 = 3 is
3.
Since 4 + 3 = 7,   7 - 3 =

Complete the equation that is the inverse of the original.

1.
An inverse equation of 11 - 8 = 3 is
2.
Since 7 + 1 = 8,   8 - 7 =
3.
Since 16 - 6 = 10,   10 + 6 =
4.
An inverse equation of 11 - 5 = 6 is
5.
An inverse equation of 9 + 6 = 15 is
6.
An inverse equation of 11 - 6 = 5 is

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