πagarwalmath · 1st grade · Common Core 1.NBT.C.6
🔢 Add & subtract tens
Subtract multiples of 10 (70 − 30)
Name: ______________________Date: ____________
180 + 10 = ?
Answer: ______________
270 + 10 = ?
Answer: ______________
390 − 40 = ?
Answer: ______________
450 − 30 = ?
Answer: ______________
540 + 20 = ?
Answer: ______________
630 − 10 = ?
Answer: ______________
740 − 10 = ?
Answer: ______________
840 − 40 = ?
Answer: ______________
980 − 40 = ?
Answer: ______________
1050 − 20 = ?
Answer: ______________
1120 − 10 = ?
Answer: ______________
1280 − 70 = ?
Answer: ______________
Answer key: Add & subtract tens
- 1. 90
- 2. 80
- 3. 50
- 4. 20
- 5. 60
- 6. 20
- 7. 30
- 8. 0
- 9. 40
- 10. 30
- 11. 10
- 12. 10
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-tens