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Supplement your full sets of color-coded foam place value disks with packets of extra ten thousands disks. These easy-to-manipulate disks provide hands-on practice for developing number sense. They allow your students to visually track what happens when they regroup numbers in both addition and subtraction. And the disks help illustrate that multiplication is the same as repeated addition and division is the same as repeated subtraction..
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Book Description Crystal Springs Books, 2013. Condition: New. book. Seller Inventory # M1935502751
Book Description Crystal Springs Books, 2013. Perfect Paperback. Condition: New. Never used!. Seller Inventory # P111935502751