πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
17 + 10 = ?
Answer: ______________
25 + 4 = ?
Answer: ______________
315 − 12 = ?
Answer: ______________
4Get to ten first: 16 − 9 = 16 − 6 − ?
Answer: ______________
511 − 2 = ?
Answer: ______________
615 − 8 = ?
Answer: ______________
7Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
8Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
96 + 5 = ?
Answer: ______________
1013 − 2 = ?
Answer: ______________
1111 − 6 = ?
Answer: ______________
1217 − 1 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 17
- 2. 9
- 3. 3
- 4. 3
- 5. 9
- 6. 7
- 7. 1
- 8. 1
- 9. 11
- 10. 11
- 11. 5
- 12. 16
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20