πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Get to ten first: 15 − 9 = 15 − 5 − ?
Answer: ______________
211 − 4 = ?
Answer: ______________
314 − 12 = ?
Answer: ______________
4Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
517 − 6 = ?
Answer: ______________
68 + 10 = ?
Answer: ______________
719 − 3 = ?
Answer: ______________
85 + 3 = ?
Answer: ______________
99 + 7 = ?
Answer: ______________
1018 − 7 = ?
Answer: ______________
1120 − 2 = ?
Answer: ______________
1214 − 1 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 4
- 2. 7
- 3. 2
- 4. 1
- 5. 11
- 6. 18
- 7. 16
- 8. 8
- 9. 16
- 10. 11
- 11. 18
- 12. 13
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20