Mathematics, Operations (+, -, x, /, etc.), Problem Solving

Grade 1- 3

Objective

Students learn about fact families.

Directions

Using Fact Families
Before doing the word problem on page 8, complete the following activtiy with the children.
Fact Family
A fact family is a set of math problems that use the same three numbers. For example, the numbers 1, 13, and 14 can be used to make two addition problems, 1 + 13 = 14 and 13 + 1 = 14, and two subtraction problems,
14 - 13 = 1 and 14 - 1 = 13.
Use these numbers to write fact families.
3 12 15
7 8 15
4 10 14
8 3 11
11 2 13
8 2 10

Resources

• Fact Families activity sheet
• pencils