πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
15 + 3 = ?
Answer: ______________
213 − 2 = ?
Answer: ______________
312 − 8 = ?
Answer: ______________
4Near doubles: 9 + 9 = 18. So 9 + 10 = ?
Answer: ______________
511 − 2 = ?
Answer: ______________
6Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
77 + 8 = ?
Answer: ______________
88 + 9 = ?
Answer: ______________
95 + 10 = ?
Answer: ______________
108 + 10 = ?
Answer: ______________
1118 − 11 = ?
Answer: ______________
1220 − 6 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 8
- 2. 11
- 3. 4
- 4. 19
- 5. 9
- 6. 11
- 7. 15
- 8. 17
- 9. 15
- 10. 18
- 11. 7
- 12. 14
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20