πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 9 = ?
Answer: ______________
2Start at 15 and count back 3. Where do you land? (15 − 3)
Answer: ______________
319 − 4 = ?
Answer: ______________
416 − 6 = ?
Answer: ______________
515 − 9 = ?
Answer: ______________
617 − 5 = ?
Answer: ______________
7Start at 14 and count back 3. Where do you land? (14 − 3)
Answer: ______________
811 − 8 = ?
Answer: ______________
914 − 2 = ?
Answer: ______________
105 − 3 = ?
Answer: ______________
118 − 2 = ?
Answer: ______________
1219 − 8 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 12
- 3. 15
- 4. 10
- 5. 6
- 6. 12
- 7. 11
- 8. 3
- 9. 12
- 10. 2
- 11. 6
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20