4-Value Whole Numbers Place Value Cards Set, 40 Cards Per Set, 3 SetsThese 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. Each set includes 40 cards, 10 each of 4 values1, 10, 100, and 1,000. Sold as 3 sets for a total of 120 cards.