🔢Math Standard
Fact Families Worksheet (Addition & Subtraction)
Write the four facts in each fact family using the same three numbers.
1st Grade 12 min
✓ Answer key
1st Grade · Math
1st Grade Fact Families Worksheets
Before this skill
- Addition facts within 20
- Subtraction facts within 20
Common mistakes to watch for
- Writing the subtraction facts with the numbers in the wrong order
- Forgetting that the largest number is always the whole (the sum)
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Frequently Asked Questions
What do 1st Grade students practice with fact families?
Students will write the four related addition and subtraction facts for a set of three numbers.
Are these worksheets free and printable?
Yes — every worksheet is a free, printable PDF with an answer key. No sign-up required.