Name
Date
Mental math: plus and minus 10 and 100 — Homework
Answer in your head. Try not to write out the whole addition.
- 1.367 + 10
- 2.540 - 10
- 3.215 + 100
- 4.623 - 100
- 5.195 + 10
- 6.Why does 195 + 10 change the hundreds digit too?
🌲 Homeschool of the FutureSecond Grade · Math · week 17 homework