πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
112 − 6 = ?
Answer: ______________
219 − 5 = ?
Answer: ______________
316 − 5 = ?
Answer: ______________
410 − 3 = ?
Answer: ______________
515 − 9 = ?
Answer: ______________
6Start at 15 and count back 3. Where do you land? (15 − 3)
Answer: ______________
711 − 8 = ?
Answer: ______________
86 − 5 = ?
Answer: ______________
97 − 6 = ?
Answer: ______________
109 − 1 = ?
Answer: ______________
115 − 2 = ?
Answer: ______________
126 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 6
- 2. 14
- 3. 11
- 4. 7
- 5. 6
- 6. 12
- 7. 3
- 8. 1
- 9. 1
- 10. 8
- 11. 3
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20