'Bottom row 2 places' diaporamas de présentation

Finding square root with counting rods Example: square root of 18983449

Finding square root with counting rods Example: square root of 18983449. Place the number in the second row and a rod in the units position of the bottom row, and another in the top row. Move the rod in the bottom row 2 places to the left and the one in the top row 1 place to the left.

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