8.3 Lesson

8.3 Volume of Spheres

By Lisa McClure-Wright

​Example 1

Student try example 1

Give this problem a try-answer on the next page.​

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​Answer to student example #1

5575.3 cubic meters​

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​Example 2

​Student try example 2

​Give this problem a try. Answer on the next page. You can also use 7234.56 cubic cm for the volume instead of 2304 pi

​Student example 2 answer

radius = 12 cm​

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Example 3

​Student example 3

​Give this problem a try, the answer is on the next page.

​Student example 3 answer

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​Challenge problem

​Give this a try if you want, answer is on the next page and then three problems for exit ticket.

​Answer to the challenge problem

​301.6 cubic meters

Fill in the Blank

Find the volume of the sphere in cubic inches. Round your answer to the nearest tenth. Just give the number not the units.

Fill in the Blank

Find the volume of the sphere in cubic meters. Round your answer to the nearest tenth. Just give the number not the units.

Fill in the Blank

Find the radius in mm. Just give the number not the units.