Related subtraction facts
Key notes:
- Related subtraction facts use the same numbers. To find the related subtraction fact, swap the numbers after the minus sign and the equals sign.
Learn with an example
🍄Which is the related subtraction fact for 10 − 3 = 7?
- 7 − 3 = 4
- 10 − 8 = 2
- 10 − 6 = 4
- 10 − 7 = 3
This is a subtraction fact.
- 10 − 3 = 7
This is the related fact.
- 10 − 7 = 3
Notice how the 3 and the 7 changed places.
🍄Which is the related subtraction fact for 6 − 5 = 1?
- 6 − 1 = 5
- 10 − 1 = 9
- 5 − 1 = 4
- 6 − 0 = 6
This is a subtraction fact.
- 6 − 5 = 1
This is the related fact.
- 6 − 1 = 5
Notice how the 5 and the 1 changed places.
🍄Which is the related subtraction fact for 9 − 2 = 7?
- 9 − 6 = 3
- 8 − 7 = 1
- 9 − 7 = 2
- 7 − 2 = 5
This is a subtraction fact.
- 9 − 2 = 7
This is the related fact.
- 9 − 7 = 2
Notice how the 2 and the 7 changed places.
Let’s practice!
