πagarwalmath · 1st grade · Common Core 1.NBT.C.6
🔢 Add & subtract tens
Subtract multiples of 10 (70 − 30)
Name: ______________________Date: ____________
111 + 10 = ?
Answer: ______________
299 − 30 = ?
Answer: ______________
334 + 40 = ?
Answer: ______________
429 + 40 = ?
Answer: ______________
565 − 20 = ?
Answer: ______________
644 + 40 = ?
Answer: ______________
792 − 40 = ?
Answer: ______________
839 + 50 = ?
Answer: ______________
971 − 50 = ?
Answer: ______________
1034 + 50 = ?
Answer: ______________
1136 − 20 = ?
Answer: ______________
1224 + 50 = ?
Answer: ______________
Answer key: Add & subtract tens
- 1. 21
- 2. 69
- 3. 74
- 4. 69
- 5. 45
- 6. 84
- 7. 52
- 8. 89
- 9. 21
- 10. 84
- 11. 16
- 12. 74
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-tens