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: 16 − 9 = 16 − 6 − ?
Answer: ______________
212 − 11 = ?
Answer: ______________
313 − 6 = ?
Answer: ______________
4Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
516 − 1 = ?
Answer: ______________
617 − 7 = ?
Answer: ______________
7Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
816 − 7 = ?
Answer: ______________
913 − 8 = ?
Answer: ______________
1015 − 14 = ?
Answer: ______________
1118 − 3 = ?
Answer: ______________
1219 − 2 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 1
- 3. 7
- 4. 1
- 5. 15
- 6. 10
- 7. 2
- 8. 9
- 9. 5
- 10. 1
- 11. 15
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20