Teach the foundational concept of 10 with ten-frames! Reinforce counting, 1-to-1 correspondence, base 10, place value, number patterns, operations & more. Students place magnetic counters on boards, then raise boards to show their answers. Magnetic, write & wipe boards feature 10 frame on one side, double 10 frame on reverse. Counting. Games / Manipulatives Type: Math Manipulative; Age Recommendation: Ages 5 & Up; Number of Cards: 4.