πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
1Get to ten first: 16 − 8 = 16 − 6 − ?
Answer: ______________
210 + 5 = ?
Answer: ______________
316 − 6 = ?
Answer: ______________
4Near doubles: 9 + 9 = 18. So 9 + 10 = ?
Answer: ______________
516 − 12 = ?
Answer: ______________
65 + 6 = ?
Answer: ______________
714 − 1 = ?
Answer: ______________
818 − 12 = ?
Answer: ______________
9Make a ten: 6 + 7 = 6 + 4 + ?
Answer: ______________
10Get to ten first: 15 − 6 = 15 − 5 − ?
Answer: ______________
118 + 7 = ?
Answer: ______________
12Near doubles: 6 + 6 = 12. So 6 + 5 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 2
- 2. 15
- 3. 10
- 4. 19
- 5. 4
- 6. 11
- 7. 13
- 8. 6
- 9. 3
- 10. 1
- 11. 15
- 12. 11
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20