πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
118 − 8 = ?
Answer: ______________
216 − 5 = ?
Answer: ______________
317 − 15 = ?
Answer: ______________
419 − 2 = ?
Answer: ______________
519 − 15 = ?
Answer: ______________
6Get to ten first: 12 − 9 = 12 − 2 − ?
Answer: ______________
7Near doubles: 6 + 6 = 12. So 6 + 7 = ?
Answer: ______________
812 − 1 = ?
Answer: ______________
9Make a ten: 6 + 7 = 6 + 4 + ?
Answer: ______________
106 + 9 = ?
Answer: ______________
1111 − 7 = ?
Answer: ______________
1216 − 14 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 10
- 2. 11
- 3. 2
- 4. 17
- 5. 4
- 6. 7
- 7. 13
- 8. 11
- 9. 3
- 10. 15
- 11. 4
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20