K-5 friendly lesson
Try one idea, then jump into the activity.These lessons are designed to feel short, friendly, and easy to follow.
Fact Families - Up to 10
š Addition and subtraction live in the same family. If you know one fact, you can find the others!
Lesson 3
Concept
A fact family uses 3 numbers: Example numbers: 2, 3, 5 Family facts: ⢠2 + 3 = 5 ⢠3 + 2 = 5 ⢠5 - 2 = 3 ⢠5 - 3 = 2 šÆ **Key idea:** Addition puts parts together. Subtraction takes a part from the whole.
Try it
Write the fact family for each set: 1. 1, 4, 5 2. 3, 6, 9 3. 2, 7, 9 š§© Fill in: 4. 4 + __ = 10 5. 10 - 4 = __