πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
16 + 4 = ?
Answer: ______________
29 + 6 = ?
Answer: ______________
35 + 7 = ?
Answer: ______________
414 − 2 = ?
Answer: ______________
5Get to ten first: 12 − 3 = 12 − 2 − ?
Answer: ______________
6Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
79 + 7 = ?
Answer: ______________
812 − 9 = ?
Answer: ______________
920 − 2 = ?
Answer: ______________
10Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
118 + 3 = ?
Answer: ______________
1215 − 14 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 10
- 2. 15
- 3. 12
- 4. 12
- 5. 1
- 6. 2
- 7. 16
- 8. 3
- 9. 18
- 10. 1
- 11. 11
- 12. 1
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20