| Math Magnets - Numbers To 20 - 160 magnets Math Magnets - Numbers To 20 - 160 magnets. "Make Math Skills Within 20 Stick With Number Magnets Give students lots of practice counting, adding and subtracting, and comparing numbers with sturdy magnets for use on magnetic white boards, cookie sheets, filing cabinets, or any other magnetic surface in your classroom. 160 magnets * Size: 1"" by 1½"" each * 1 zip-top storage bag
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