πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
113 − 10 = ?
Answer: ______________
212 − 10 = ?
Answer: ______________
311 − 4 = ?
Answer: ______________
412 − 9 = ?
Answer: ______________
511 − 5 = ?
Answer: ______________
619 − 8 = ?
Answer: ______________
7Get to ten first: 14 − 7 = 14 − 4 − ?
Answer: ______________
816 − 9 = ?
Answer: ______________
917 − 4 = ?
Answer: ______________
1013 − 13 = ?
Answer: ______________
1119 − 2 = ?
Answer: ______________
1220 − 17 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 2
- 3. 7
- 4. 3
- 5. 6
- 6. 11
- 7. 3
- 8. 7
- 9. 13
- 10. 0
- 11. 17
- 12. 3
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20