HomePricing
Sign InJoin

Fact family for addition

This math skill teaches the concept of a fact family for addition and subtraction, demonstrating how numbers in a triangle's corners relate through these operations; each number can be found by adding or subtracting the others.

Learn fact family for addition

Teaching Transcript

🎙️

Let's explore this addition and subtraction fact family

Each corner of the triangle can be solved from the others. 5 is 8 minus 3.

Similarly, 3 is 8 minus 5

And on top, 8 is 5 plus 3

Skill Practice

Fact family for addition

Test your understanding of fact family for addition by practicing it! Work through the below exercises to use it in practice.