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9 squares of 9
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yellow and blue
Ball diameter: 4 cm
Patterns for Square Root mats-rugs 9 squares of 94 plastic cards printed with square root patterns. Used as guides to extract the square root in conjunction with the Small Square Root Board. Green represents units (or thousands), while blue represents tens, and red represents hundreds. The purpose of this product is to: Learn to find factors and multiples and understand highest common factor and lowest common multiple. Build squares and extract square roots. Also know as guide squares for squaring
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