Open Up - Grade 7 - Mathematics - Unit 7 - Lesson 11

A cube is cut into two pieces by a single slice that passes through points A, B, and C. What shape is the cross section?

• Square
• Rectangle
• Circle
• Triangle

Tags

7.G.3

7.G.6

Describe how to slice the three-dimensional figure to result in each cross section.

Tags

7.G.3

7.G.6

Here are two three-dimensional figures. Describe a way to slice one of the figures so that the cross section is a rectangle.

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7.G.3

7.G.6

Two months ago, the price, in dollars, of a cell phone was c.Last month, the price of the phone increased by 10%. Write an expression for the price of the phone last month.

Tags

7.G.3

7.G.6

Two months ago, the price, in dollars, of a cell phone was c.This month, the price of the phone decreased by 10%. Write an expression for the price of the phone this month.

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7.G.3

7.G.6

Two months ago, the price, in dollars, of a cell phone was c.Is the price of the phone this month the same as it was two months ago? (From question 5 and 6.)

• The Price is the same
• The Prices are different

Tags

7.G.3

7.G.6