Algebra: Fact Family

A fact family is a set of related facts.

For the numbers 2, 7, and 11, this is the fact family:

2 + 7 =11
7 + 2 = 11
11 – 2 = 7
11 – 7 = 2

 

Learn more about fact families by reading the explanation below.

Algebra Fact Family

 


Practice Time! Answer the exercise below about using fact families to find sums and differences.

Algebra Fact Family