Primary Thyme

This Estimation 100's chart is an excellent resource for students that need extra Math support. My students love using this chart to help estimate double digit numbers. My students have a copy of the chart to keep at home and a copy of the chart in their Math folder (in their desks) for use when needed. My students use this chart to locate the number on the hundreds chart, and then follow the direction of the arrows to find out if the target number should be rounded up or down. If you like thi