πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
15 + 3 = ?
Answer: ______________
212 − 9 = ?
Answer: ______________
3Get to ten first: 13 − 4 = 13 − 3 − ?
Answer: ______________
410 + 6 = ?
Answer: ______________
5Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
620 − 3 = ?
Answer: ______________
76 + 5 = ?
Answer: ______________
818 − 3 = ?
Answer: ______________
99 + 9 = ?
Answer: ______________
1016 − 2 = ?
Answer: ______________
11Near doubles: 3 + 3 = 6. So 3 + 2 = ?
Answer: ______________
1217 − 13 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 8
- 2. 3
- 3. 1
- 4. 16
- 5. 1
- 6. 17
- 7. 11
- 8. 15
- 9. 18
- 10. 14
- 11. 5
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20