πagarwalmath · 1st grade · Common Core 1.OA.C.6
➖ Subtract within 20
Add and subtract within 20 (fluent within 10)
Name: ______________________Date: ____________
119 − 16 = ?
Answer: ______________
216 − 13 = ?
Answer: ______________
3Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
415 − 6 = ?
Answer: ______________
516 − 11 = ?
Answer: ______________
617 − 10 = ?
Answer: ______________
7Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
815 − 5 = ?
Answer: ______________
916 − 15 = ?
Answer: ______________
1011 − 8 = ?
Answer: ______________
11Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
1213 − 6 = ?
Answer: ______________
Answer key: Subtract within 20
- 1. 3
- 2. 3
- 3. 4
- 4. 9
- 5. 5
- 6. 7
- 7. 2
- 8. 10
- 9. 1
- 10. 3
- 11. 4
- 12. 7
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/sub-within-20