Radius™ CD Card Set Math: Addition & Subtraction
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Grades 1 - 2. Expand your Radius? Audio Learning System library with this interactive Addition & Subtraction Kit! Includes 24 double-sided cards (8 ?"L x 9 ?"H, 36-page spiral-bound blackline master book, CD, 40 snap cubes, and 100 two-color counters.
