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