πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
215 − 4 = ?
Answer: ______________
312 − 11 = ?
Answer: ______________
420 − 5 = ?
Answer: ______________
516 − 2 = ?
Answer: ______________
611 − 10 = ?
Answer: ______________
719 − 14 = ?
Answer: ______________
812 − 4 = ?
Answer: ______________
9Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
1016 − 4 = ?
Answer: ______________
1120 − 1 = ?
Answer: ______________
1211 − 8 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 5
- 2. 11
- 3. 1
- 4. 15
- 5. 14
- 6. 1
- 7. 5
- 8. 8
- 9. 1
- 10. 12
- 11. 19
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20