Practice place value by counting the number of hundreds, tens, and ones for numbers 1-999 with this School-themed, abacus deck. Great for review, math centers, early finishers, and distance learning! There are 50 cards total. The default for play is 15 cards in random order. The number of cards per play can be increased or decreased by selecting "custom play settings" when assigning. Cards can also be hidden from play depending on your preferences or the needs of the student. (Please note: In Fa