πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
19 + 8 = ?
Answer: ______________
210 + 10 = ?
Answer: ______________
311 − 3 = ?
Answer: ______________
4Near doubles: 7 + 7 = 14. So 7 + 8 = ?
Answer: ______________
5Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
617 − 9 = ?
Answer: ______________
76 + 8 = ?
Answer: ______________
818 − 3 = ?
Answer: ______________
913 − 8 = ?
Answer: ______________
10Get to ten first: 14 − 9 = 14 − 4 − ?
Answer: ______________
1114 − 6 = ?
Answer: ______________
12Get to ten first: 13 − 5 = 13 − 3 − ?
Answer: ______________
Answer key: Facts to 20
- 1. 17
- 2. 20
- 3. 8
- 4. 15
- 5. 1
- 6. 8
- 7. 14
- 8. 15
- 9. 5
- 10. 5
- 11. 8
- 12. 2
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20