Open Up - Grade 6 - Mathematics - Unit 1 - Lesson 2

By Formative Library
Last updated over 2 years ago
6 Questions
1.

A diagonal of the rectangle is shown. Think of how you could decompose the rectangle along the diagonal. Redraw the two pieces to make a different shape on another part of the graph.

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2.

From the previous question, how does the area of this new shape compare to the area of the original rectangle? Explain how you know.

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3.

The area of the square is 1 square unit. Two small triangles can be put together to make a square or to make a medium triangle.


Which figure also has an area of 1 and 1/2 square units? Select all that apply.

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4.

Priya decomposed a square into 16 smaller, equal-size squares and then cut out 4 of the small squares and attached them around the outside of original square to make a new figure. How does the area of her new figure compare with that of the original square?

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5.

The area of a rectangular playground is 78 square meters. If the length of the playground is 13 meters, what is its width in meters?

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6.

A student said, “We can’t find the area of the shaded region because the shape has many different measurements, instead of just a length and a width that we could multiply.”

Explain why the student’s statement about area is incorrect.

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Source: Open Up Resouces (Download for free at openupresources.org.)