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partialproducts1 - Rectangles and Multiplication Rectangles...

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Rectangles and Multiplication Rectangles and Multiplication Here is a rectangle with sides 3 and 7. The total number of squares can be found by multiplying 3 and 7. 3 7

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Here is a rectangle with sides 3 and 7. The total number of squares can be found by multiplying 3 and 7. Note that if we colour the squares we can work out the number of blue squares and the number of yellow squares separately and add. 3 7 Rectangles and Multiplication Rectangles and Multiplication
Here is a rectangle with sides 3 and 7. The total number of squares can be found by multiplying 3 and 7. Note that if we colour the squares we can work out the number of blue squares and the number of yellow squares separately and add. 3 7 Blue 3 × 5 = 15 Yellow 3 × 2 = 6 Total 15 + 6 = 21 Rectangles and Multiplication Rectangles and Multiplication

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This technique is useful for larger rectangles.
Here is a rectangle with sides 15 and 6, so the total number of squares can be found from: 15 × 6.

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partialproducts1 - Rectangles and Multiplication Rectangles...

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