πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
114 − 12 = ?
Answer: ______________
220 − 16 = ?
Answer: ______________
314 − 13 = ?
Answer: ______________
411 − 5 = ?
Answer: ______________
515 − 7 = ?
Answer: ______________
617 − 4 = ?
Answer: ______________
713 − 1 = ?
Answer: ______________
8Get to ten first: 14 − 5 = 14 − 4 − ?
Answer: ______________
9Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
1020 − 10 = ?
Answer: ______________
1115 − 10 = ?
Answer: ______________
1219 − 1 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 2
- 2. 4
- 3. 1
- 4. 6
- 5. 8
- 6. 13
- 7. 12
- 8. 1
- 9. 2
- 10. 10
- 11. 5
- 12. 18
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20