πagarwalmath · 1st grade · Common Core 1.NBT.C.6
🔢 Add & subtract tens
Subtract multiples of 10 (70 − 30)
Name: ______________________Date: ____________
120 + 20 = ?
Answer: ______________
270 − 40 = ?
Answer: ______________
390 + 10 = ?
Answer: ______________
480 − 50 = ?
Answer: ______________
540 + 50 = ?
Answer: ______________
610 + 20 = ?
Answer: ______________
780 − 30 = ?
Answer: ______________
840 − 30 = ?
Answer: ______________
940 − 20 = ?
Answer: ______________
1040 + 20 = ?
Answer: ______________
1120 − 10 = ?
Answer: ______________
1210 + 30 = ?
Answer: ______________
Answer key: Add & subtract tens
- 1. 40
- 2. 30
- 3. 100
- 4. 30
- 5. 90
- 6. 30
- 7. 50
- 8. 10
- 9. 20
- 10. 60
- 11. 10
- 12. 40
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-tens