πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
18 + 6 = ?
Answer: ______________
213 − 13 = ?
Answer: ______________
315 − 4 = ?
Answer: ______________
417 − 12 = ?
Answer: ______________
5Get to ten first: 11 − 9 = 11 − 1 − ?
Answer: ______________
620 − 12 = ?
Answer: ______________
712 − 4 = ?
Answer: ______________
8Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
95 + 5 = ?
Answer: ______________
10Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
1116 − 5 = ?
Answer: ______________
1210 + 9 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 14
- 2. 0
- 3. 11
- 4. 5
- 5. 8
- 6. 8
- 7. 8
- 8. 2
- 9. 10
- 10. 11
- 11. 11
- 12. 19
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20