πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
111 − 2 = ?
Answer: ______________
212 − 4 = ?
Answer: ______________
320 − 5 = ?
Answer: ______________
420 − 8 = ?
Answer: ______________
511 − 1 = ?
Answer: ______________
615 − 5 = ?
Answer: ______________
712 − 12 = ?
Answer: ______________
819 − 2 = ?
Answer: ______________
914 − 13 = ?
Answer: ______________
1017 − 2 = ?
Answer: ______________
1120 − 14 = ?
Answer: ______________
1212 − 3 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 9
- 2. 8
- 3. 15
- 4. 12
- 5. 10
- 6. 10
- 7. 0
- 8. 17
- 9. 1
- 10. 15
- 11. 6
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20