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.
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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