Description Place Value Sliders: Ones to Thousands Students slide to graphically show the effects of multiplying and dividing by the powers of ten to clearly demonstrate place value concepts.Sets include durable write-on/wipe-off cardboard sliders with sleeves. Each two-part slider is 3" wide by 7" long and comes with suggestions for use. For use with standard dry-erase markers (not included). Didax 211257
