πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 7 = ?
Answer: ______________
211 − 8 = ?
Answer: ______________
314 − 12 = ?
Answer: ______________
419 − 18 = ?
Answer: ______________
512 − 10 = ?
Answer: ______________
612 − 1 = ?
Answer: ______________
716 − 9 = ?
Answer: ______________
820 − 18 = ?
Answer: ______________
915 − 14 = ?
Answer: ______________
1015 − 13 = ?
Answer: ______________
1119 − 3 = ?
Answer: ______________
12Get to ten first: 17 − 9 = 17 − 7 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 3
- 3. 2
- 4. 1
- 5. 2
- 6. 11
- 7. 7
- 8. 2
- 9. 1
- 10. 2
- 11. 16
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20