πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Near doubles: 5 + 5 = 10. So 5 + 6 = ?
Answer: ______________
210 + 9 = ?
Answer: ______________
3Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
418 − 7 = ?
Answer: ______________
514 − 13 = ?
Answer: ______________
619 − 7 = ?
Answer: ______________
713 − 7 = ?
Answer: ______________
820 − 15 = ?
Answer: ______________
910 + 4 = ?
Answer: ______________
1017 − 1 = ?
Answer: ______________
1116 − 12 = ?
Answer: ______________
12Get to ten first: 12 − 6 = 12 − 2 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 11
- 2. 19
- 3. 11
- 4. 11
- 5. 1
- 6. 12
- 7. 6
- 8. 5
- 9. 14
- 10. 16
- 11. 4
- 12. 4
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20