πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
120 − 16 = ?
Answer: ______________
212 − 7 = ?
Answer: ______________
313 − 13 = ?
Answer: ______________
416 − 14 = ?
Answer: ______________
515 − 8 = ?
Answer: ______________
613 − 6 = ?
Answer: ______________
716 − 2 = ?
Answer: ______________
814 − 11 = ?
Answer: ______________
918 − 18 = ?
Answer: ______________
10Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
11Get to ten first: 12 − 5 = 12 − 2 − ?
Answer: ______________
12Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
Answer key: Subtract within 20
- 1. 4
- 2. 5
- 3. 0
- 4. 2
- 5. 7
- 6. 7
- 7. 14
- 8. 3
- 9. 0
- 10. 2
- 11. 3
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20