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Mathematics, 24.04.2021 08:00 joset238
A student uses square tiles measuring 1 inch on each side to find the area of the rectangle. Her reasoning is shown.
“I covered the top and bottom edges of the rectangle with 7 tiles each”
*shows diagram*
“I then covered the left and right edges with 3 tiles each. I added up all the tiles I used to get a total area of 20 square inches. 7+7+3+3=20
*Shows second diagram*
Identify the two errors in the students reasoning and describe how to correctly use square tiles to find the area of the rectangle. Give the correct area of the rectangle.
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Answers: 1
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A student uses square tiles measuring 1 inch on each side to find the area of the rectangle. Her rea...
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