πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
18 + 4 = ?
Answer: ______________
211 − 6 = ?
Answer: ______________
3Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
415 − 15 = ?
Answer: ______________
5Get to ten first: 14 − 6 = 14 − 4 − ?
Answer: ______________
611 − 1 = ?
Answer: ______________
712 − 6 = ?
Answer: ______________
8Get to ten first: 11 − 6 = 11 − 1 − ?
Answer: ______________
9Get to ten first: 11 − 9 = 11 − 1 − ?
Answer: ______________
1018 − 6 = ?
Answer: ______________
118 + 10 = ?
Answer: ______________
1219 − 4 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 12
- 2. 5
- 3. 6
- 4. 0
- 5. 2
- 6. 10
- 7. 6
- 8. 5
- 9. 8
- 10. 12
- 11. 18
- 12. 15
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20