πagarwalmath · 1st grade · Common Core 1.NBT.C.6
🔢 Add & subtract tens
Subtract multiples of 10 (70 − 30)
Name: ______________________Date: ____________
151 + 20 = ?
Answer: ______________
240 − 20 = ?
Answer: ______________
390 − 40 = ?
Answer: ______________
422 + 40 = ?
Answer: ______________
520 + 40 = ?
Answer: ______________
662 − 30 = ?
Answer: ______________
713 + 20 = ?
Answer: ______________
868 + 20 = ?
Answer: ______________
956 + 40 = ?
Answer: ______________
1072 − 20 = ?
Answer: ______________
1161 − 50 = ?
Answer: ______________
1247 − 30 = ?
Answer: ______________
Answer key: Add & subtract tens
- 1. 71
- 2. 20
- 3. 50
- 4. 62
- 5. 60
- 6. 32
- 7. 33
- 8. 88
- 9. 96
- 10. 52
- 11. 11
- 12. 17
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-tens