πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
115 − 10 = ?
Answer: ______________
214 − 7 = ?
Answer: ______________
320 − 10 = ?
Answer: ______________
412 − 11 = ?
Answer: ______________
517 − 10 = ?
Answer: ______________
613 − 9 = ?
Answer: ______________
714 − 6 = ?
Answer: ______________
812 − 12 = ?
Answer: ______________
920 − 19 = ?
Answer: ______________
1014 − 12 = ?
Answer: ______________
1113 − 10 = ?
Answer: ______________
1215 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 7
- 3. 10
- 4. 1
- 5. 7
- 6. 4
- 7. 8
- 8. 0
- 9. 1
- 10. 2
- 11. 3
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20