πagarwalmath · 2nd grade · Common Core 2.OA.B.2
⚡ Facts to 20
Add and subtract within 20 from memory
Name: ______________________Date: ____________
116 − 1 = ?
Answer: ______________
210 + 4 = ?
Answer: ______________
313 − 10 = ?
Answer: ______________
410 + 7 = ?
Answer: ______________
57 + 9 = ?
Answer: ______________
619 − 4 = ?
Answer: ______________
78 + 5 = ?
Answer: ______________
88 + 8 = ?
Answer: ______________
9Get to ten first: 17 − 8 = 17 − 7 − ?
Answer: ______________
1010 + 9 = ?
Answer: ______________
1115 − 12 = ?
Answer: ______________
1215 − 5 = ?
Answer: ______________
Answer key: Facts to 20
- 1. 15
- 2. 14
- 3. 3
- 4. 17
- 5. 16
- 6. 15
- 7. 13
- 8. 16
- 9. 1
- 10. 19
- 11. 3
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/2nd-grade/add-facts-20