Number Circuits come in all sizes and shapes, including squares, circles, triangles and lines. Inspired by the classic "magic square" number grid, these unique puzzles are solved by arranging digits in a specific order and shape, which in turn develop and challenge those all-important mental math skills. Reproducible
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Book Description Paperback. Book Condition: Brand New. 56 pages. 11.00x8.60x0.60 inches. In Stock. Bookseller Inventory # zk1933054603
Book Description MindWare, 2008. Paperback. Book Condition: New. book. Bookseller Inventory # M1933054603