πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
2Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
317 − 10 = ?
Answer: ______________
4Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
5Make a ten: 6 + 7 = 6 + 4 + ?
Answer: ______________
612 − 8 = ?
Answer: ______________
7Make a ten: 7 + 7 = 7 + 3 + ?
Answer: ______________
810 + 6 = ?
Answer: ______________
96 + 5 = ?
Answer: ______________
1014 − 4 = ?
Answer: ______________
116 + 8 = ?
Answer: ______________
1216 − 8 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 11
- 2. 1
- 3. 7
- 4. 1
- 5. 3
- 6. 4
- 7. 4
- 8. 16
- 9. 11
- 10. 10
- 11. 14
- 12. 8
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20