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Grade 7 | Unit 3 | Lesson 8: Relating Area to Circumference | Practice Problems

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Mathematics

6th Grade

Grade 7 | Unit 3 | Lesson 8: Relating Area to Circumference | Practice Problems
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8 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

A circle’s circumference is approximately 76 cm. Estimate the radius, diameter, and area of the circle.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Jada paints a circular table that has a diameter of 37 inches. What is the area of the table?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

The Carousel on the National Mall has 4 rings of horses. Kiran is riding on the inner ring, which has a radius of 9 feet. Mai is riding on the outer ring, which is 8 feet farther out from the center than the inner ring is. In one rotation of the carousel, how much farther does Mai travel than Kiran?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

One rotation of the carousel takes 12 seconds. How much faster does Mai travel than Kiran?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

Here are the diameters of four coins:

CoinDiameter
Penny1.9 cm
Nickel2.1 cm
Dime1.8 cm
Quarter2.4 cm
A coin rolls a distance of 33 cm in 5 rotations. Which coin is it?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

A quarter makes 8 rotations. How far did it roll?

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