πagarwalmath · 1st grade · Common Core 1.NBT.C.6
🔢 Add & subtract tens
Subtract multiples of 10 (70 − 30)
Name: ______________________Date: ____________
120 − 20 = ?
Answer: ______________
280 − 10 = ?
Answer: ______________
370 + 20 = ?
Answer: ______________
480 − 70 = ?
Answer: ______________
510 + 30 = ?
Answer: ______________
690 − 20 = ?
Answer: ______________
770 − 20 = ?
Answer: ______________
880 − 40 = ?
Answer: ______________
980 − 20 = ?
Answer: ______________
1040 − 30 = ?
Answer: ______________
1130 + 10 = ?
Answer: ______________
1240 + 20 = ?
Answer: ______________
Answer key: Add & subtract tens
- 1. 0
- 2. 70
- 3. 90
- 4. 10
- 5. 40
- 6. 70
- 7. 50
- 8. 40
- 9. 60
- 10. 10
- 11. 40
- 12. 60
Practice this lesson online with games that adjust to your child: agarwalmath.com/math/1st-grade/add-tens