πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
1Start at 14 and count back 2. Where do you land? (14 − 2)
Answer: ______________
216 − 6 = ?
Answer: ______________
36 − 4 = ?
Answer: ______________
4Start at 10 and count back 3. Where do you land? (10 − 3)
Answer: ______________
510 − 9 = ?
Answer: ______________
6Start at 17 and count back 3. Where do you land? (17 − 3)
Answer: ______________
713 − 2 = ?
Answer: ______________
811 − 3 = ?
Answer: ______________
910 − 4 = ?
Answer: ______________
10Start at 12 and count back 3. Where do you land? (12 − 3)
Answer: ______________
1114 − 4 = ?
Answer: ______________
127 − 7 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 12
- 2. 10
- 3. 2
- 4. 7
- 5. 1
- 6. 14
- 7. 11
- 8. 8
- 9. 6
- 10. 9
- 11. 10
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20