The teacher version of the Place Value Magic Ruler (23" x 5") includes removable place value tabs: units, tens, hundreds, thousands, hundred thousands, millions, tenths, hundredths, thousandths, hundred thousandths, and millionths to enable the subject to be taught step by step.

Also included is one movable decimal point and seven of each number tabs 0-9.

The Teacher version can stand on a desk or be mounted to magnetic board or a wall!