Finding the Area of a Circle

Finding the Area of a Circle

Assessment

Interactive Video

Mathematics

1st - 6th Grade

Hard

Created by

Quizizz Content

FREE Resource

The video tutorial explains how to find the area of a circle by relating it to the area of a rectangle. It reviews the calculation of rectangle area and the concept of squaring numbers. The importance of the order of operations is highlighted, particularly the precedence of exponents over multiplication. The tutorial uses a pizza to visualize the circle's area, demonstrating how slices can form a rectangle. The formula for the area of a circle, πr², is derived and applied in examples, emphasizing the use of radius over diameter and the correct order of operations.

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7 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What mistake should you avoid when using the order of operations in area calculations?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe how to visualize the area of a circle using slices.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the relationship between the area of a rectangle and the area of a circle.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the formula for finding the area of a circle?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you calculate the area of a pizza with a radius of 9 inches?

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the area of a circle with a diameter of 10 meters, expressed in terms of pi?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

How do you find the radius if you are given the diameter of a circle?

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