πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
117 − 3 = ?
Answer: ______________
215 − 15 = ?
Answer: ______________
311 − 8 = ?
Answer: ______________
412 − 7 = ?
Answer: ______________
513 − 8 = ?
Answer: ______________
613 − 12 = ?
Answer: ______________
713 − 3 = ?
Answer: ______________
817 − 7 = ?
Answer: ______________
917 − 10 = ?
Answer: ______________
1016 − 13 = ?
Answer: ______________
1117 − 15 = ?
Answer: ______________
1220 − 17 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 14
- 2. 0
- 3. 3
- 4. 5
- 5. 5
- 6. 1
- 7. 10
- 8. 10
- 9. 7
- 10. 3
- 11. 2
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20