Provides 99

Chaque page du Common Core Math Workouts pour la 6e année comprend deux exercices

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edxeducation Abacus binding_machines_l4_binding_and_laminating_l3_office_machines_l2_ink_and_office_machines_l1|fr_CA Provides 99This Rekenrek abacus features ten rows of two different coloured plastic beads that easily slide back and forth on metal rods. The sturdy plastic frame is designed to add desktop stability for student use, and may be used either standing up, or laying flat. An excellent teaching tool for building basic math skills in counting, addition and subtraction. Dimensions 8. 27" x 7. 87" x 3. 54". This 10 row Rekenrek may look like an ordinary counting frame