πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 12 = ?
Answer: ______________
216 − 15 = ?
Answer: ______________
314 − 7 = ?
Answer: ______________
412 − 8 = ?
Answer: ______________
515 − 7 = ?
Answer: ______________
617 − 5 = ?
Answer: ______________
7Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
820 − 15 = ?
Answer: ______________
916 − 8 = ?
Answer: ______________
1018 − 17 = ?
Answer: ______________
1111 − 1 = ?
Answer: ______________
1219 − 5 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 0
- 2. 1
- 3. 7
- 4. 4
- 5. 8
- 6. 12
- 7. 3
- 8. 5
- 9. 8
- 10. 1
- 11. 10
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20