This interactive Active Board Flipchart is a 37 page lesson to explain, introduce, and review mentally adding 100 more, 100 less, 10 more, and 10 less.
This flipchart contains:
2 sorting games
10 Active Expression Question Pages
How to use base ten blocks to add 100 more, 100 less, 10 more, and 10 less for students to see how we do this visually.
All numbers used in this flipchart are between 100 - 999.