Teach the foundational concept of 10 like the most effective Asian math programs do with ten frames! Reinforce counting, 1-to-1 correspondence, base 10, place value, number patterns, operations and more. Students place magnetic counters on boards, then raise boards to show their answers. Magnetic, write & wipe boards feature 10-square frame on one side, double 10 on reverse. Includes 4 boards; 100 double-sided, foam magnet counters (red and yellow); and Activity Guide. Boards measure 7"L x 6 1/4"H.