πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Make a ten: 6 + 7 = 6 + 4 + ?
Answer: ______________
219 − 10 = ?
Answer: ______________
35 + 6 = ?
Answer: ______________
418 − 7 = ?
Answer: ______________
5Near doubles: 4 + 4 = 8. So 4 + 5 = ?
Answer: ______________
6Make a ten: 6 + 8 = 6 + 4 + ?
Answer: ______________
716 − 10 = ?
Answer: ______________
88 + 8 = ?
Answer: ______________
918 − 5 = ?
Answer: ______________
1015 − 14 = ?
Answer: ______________
117 + 3 = ?
Answer: ______________
1213 − 13 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 3
- 2. 9
- 3. 11
- 4. 11
- 5. 9
- 6. 4
- 7. 6
- 8. 16
- 9. 13
- 10. 1
- 11. 10
- 12. 0
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20