These color-coded cards provide students with a visual representation of place value and help them develop number sense (Color-coding matches Sensational Math Place Value Discs). The cards are all 4" high and range in length from 2.5" to 10" depending on place value. Each set is packaged in a re-sealable poly bag for handy storage. A GEI Endorsed Product. Includes 12 each of the 626641 Place Value Cards Sets. Incudes 120 each of 4 values: Thousandths, Hundredths, Tenths, Ones. 480 cards total.