Ice Cream
Balloons
100

What is the formula for finding the volume of a cone?

V= 1/3πr2h

100

What is the formula for finding the volume of a sphere?

V= 4/3πr3

200


The volume of the cone is 1205.76 cubic centimeters (cm³).

200


✅ The volume of the sphere is approximately 1561.34 cubic centimeters (cm³).

300

Anna is making a party hat in the shape of a cone. The hat has a radius of 5 cm and a height of 12 cm.

❓ How much space is inside the party hat? (Find its volume using π = 3.14)

✅ The volume of the party hat is 314 cubic centimeters (cm³).

300

Jake bought a perfectly round balloon for his birthday party. The balloon has a radius of 6 cm when fully inflated.

❓ How much air is inside the balloon? (Find its volume using π = 3.14)

✅ The volume of the balloon is approximately 904.32 cubic centimeters (cm³). 🎈

400

Mia buys an ice cream cone with a height of 15 cm and a diameter of 8 cm. She decides to share the ice cream equally with her two friends, dividing it into three equal parts.

How much ice cream does each person get? (Use π ≈ 3.14 and round your final answer to two decimal places.)

Let me know if you need the solution! 🍦😊

Each person gets 83.73 cm³ of ice cream. 🍦😊

400

At a birthday party, Jake blows up 5 balloons, each shaped like a perfect sphere with a diameter of 12 cm.

What is the total volume of air needed to fully inflate all 5 balloons? (Use π ≈ 3.14 and round your final answer to two decimal places.)

The total volume of air needed to inflate all 5 balloons is 4,521.60 cm³ (or 4.52 liters). 🎈😊

500

Ella is making a paper party hat in the shape of a cone. The hat has a height of 20 cm and a diameter of 14 cm.

  1. What is the volume of the party hat? (Use π ≈ 3.14 and round your answer to two decimal places.)
  2. If Ella wants to make 5 identical hats, what is the total volume of paper needed?
  • The volume of one party hat is 1,025.73 cm³.
  • The total volume for 5 hats is 5,128.65 cm³.
500

Sam is preparing for a party and blows up 8 balloons, each shaped like a perfect sphere with a diameter of 16 cm.

  1. What is the volume of air inside one fully inflated balloon? (Use π ≈ 3.14 and round your answer to two decimal places.)
  2. What is the total volume of air needed for all 8 balloons?
  • The volume of one balloon is 2,143.57 cm³.
  • The total volume for 8 balloons is 17,148.58 cm³ (or 17.15 liters).
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