100 Charts.. 99 Charts..

100 charts or 99 charts are frequenly used in Mathematic class as a tool for students to count. It can be a good help in counting addition and subtraction problems. There are several basic 'rule' that the students need to acquire to use the chart effectiely.


1)  Horizontal movement represents moving away 10 steps from the first stop. 10 steps backwards if moving up e.g. 23 to 13 and 10 steps forwards if moving down e.g. 56 to 66. 


2)  Vertical movement represents moving 1 step from the first stop. 1 step backwards if moving to the left e.g. 45 to 44 and 1 step forwards if moving to the right e.g. 96 to 97.

Hundred Chart

99 Chart