Grade 7 | Unit 3: Measuring Circles | Check Your Readiness (B)

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6.EE.C.9

6.RP.A.3

Here are the dimensions of some rectangles. Which rectangle has an area of 12 square units and a perimeter of 14 units?

• A: a length of 1 unit and a width of 12 units

• B: a length of 6 units and a width of 1 unit

• C: a length of 6 units and a width of 2 units

• D: a length of 3 units and a width of 4 units

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6.EE.A.2

Elena measured the perimeter of a square desk and found 359 cm. Andre measured the perimeter of the same desk and found 3,579 mm. By how many millimeters do these measurements differ? Why do you think Elena and Andre may have found different measurements for the same desk?

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4.MD.A.1

4.MD.A.3

Each small square in the grid represents 1 square unit. Find the area of the figure in square units. Explain your reasoning.

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6.G.A.1

A map of Utah is shown. Which area is closest to the area of Utah in square kilometers?

• A: 274,963

• B: 244,905

• C: 225,808

• D: 1,997

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6.EE.B.7

This star was made by putting together arcs from four circles. Each small grid square represents one square unit. Explain why the area of the star is less than 4 square units. Explain why the area of the star is less than 2 square units. Do you think the area of the star is more or less than 1 square unit?

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6.G.A.1