πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
111 − 11 = ?
Answer: ______________
27 + 5 = ?
Answer: ______________
315 − 7 = ?
Answer: ______________
4Get to ten first: 12 − 4 = 12 − 2 − ?
Answer: ______________
513 − 12 = ?
Answer: ______________
67 + 4 = ?
Answer: ______________
7Near doubles: 4 + 4 = 8. So 4 + 3 = ?
Answer: ______________
8Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
9Make a ten: 8 + 9 = 8 + 2 + ?
Answer: ______________
10Get to ten first: 16 − 7 = 16 − 6 − ?
Answer: ______________
1113 − 13 = ?
Answer: ______________
1212 − 1 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 0
- 2. 12
- 3. 8
- 4. 2
- 5. 1
- 6. 11
- 7. 7
- 8. 4
- 9. 7
- 10. 1
- 11. 0
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20