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: 14 − 7 = 14 − 4 − ?
Answer: ______________
29 + 10 = ?
Answer: ______________
318 − 9 = ?
Answer: ______________
48 + 7 = ?
Answer: ______________
58 + 8 = ?
Answer: ______________
6Get to ten first: 13 − 9 = 13 − 3 − ?
Answer: ______________
711 − 11 = ?
Answer: ______________
820 − 8 = ?
Answer: ______________
914 − 9 = ?
Answer: ______________
1016 − 12 = ?
Answer: ______________
116 + 6 = ?
Answer: ______________
1218 − 6 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 3
- 2. 19
- 3. 9
- 4. 15
- 5. 16
- 6. 6
- 7. 0
- 8. 12
- 9. 5
- 10. 4
- 11. 12
- 12. 12
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20