Develops skills in counting and cardinality, operations and algebraic thinking, and number and operations in base ten using this plastic ten frame with counters set. The set includes four 6-3/8" x 2-5/8" (16.2 cm x 6.7 cm) solid plastic frames with 40 two colors counters (red and blue), diameter 1" (2.5 cm). Grades K+.
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