Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 17
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Last updated 9 months ago
12 questions
1 point
1
Question 1
1.
A cylinder has a volume of 48πcm3 and height h. Complete this table for volume of cylinders with the same radius but different heights.
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Question 2
2.
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Question 3
3.
A cylinder has a radius of 3 cm and a height of 5 cm.
What is the volume of the cylinder?
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1
Question 4
4.
A cylinder has a radius of 3 cm and a height of 5 cm.
What is the volume of the cylinder when its height is tripled?
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Question 5
5.
A cylinder has a radius of 3 cm and a height of 5 cm.
What is the volume of the cylinder when its height is halved?
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Question 6
6.
A graduated cylinder that is 24 cm tall can hold 1 L of water.
What is the radius of the cylinder? Recall that 1 liter (L) is equal to 1000 milliliters (ml).
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1
Question 7
7.
A graduated cylinder that is 24 cm tall can hold 1 L of water.
What is the height of the 500 ml mark? Recall that 1 liter (L) is equal to 1000 milliliters (ml).
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Question 8
8.
A graduated cylinder that is 24 cm tall can hold 1 L of water.
The 250 ml mark? Recall that 1 liter (L) is equal to 1000 milliliters (ml).
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1
Question 9
9.
An ice cream shop offers two ice cream cones. The waffle cone holds 12 ounces and is 5 inches tall. The sugar cone also holds 12 ounces and is 8 inches tall.
Which cone has a larger radius?
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Question 10
10.
A 6 oz paper cup is shaped like a cone with a diameter of 4 inches.
How many ounces of water will a plastic cylindrical cup with a diameter of 4 inches hold if it is the same height as the paper cup?
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1
Question 11
11.
Lin’s smart phone was fully charged when she started school at 8:00 a.m. At 9:20 a.m., it was 90% charged, and at noon, it was 72% charged.
When do you think her battery will die?
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Question 12
12.
Lin’s smart phone was fully charged when she started school at 8:00 a.m. At 9:20 a.m., it was 90% charged, and at noon, it was 72% charged.
Is battery life a function of time? If yes, is it a linear function?
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