πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
111 − 11 = ?
Answer: ______________
2Make a ten: 7 + 6 = 7 + 3 + ?
Answer: ______________
316 − 8 = ?
Answer: ______________
420 − 13 = ?
Answer: ______________
5Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
65 + 6 = ?
Answer: ______________
7Get to ten first: 15 − 7 = 15 − 5 − ?
Answer: ______________
811 − 4 = ?
Answer: ______________
95 + 10 = ?
Answer: ______________
1013 − 4 = ?
Answer: ______________
1117 − 11 = ?
Answer: ______________
1216 − 7 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 0
- 2. 3
- 3. 8
- 4. 7
- 5. 11
- 6. 11
- 7. 2
- 8. 7
- 9. 15
- 10. 9
- 11. 6
- 12. 9
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20