Grade 9 Checkpoint Assessment 3

Front

What is volume?

Back

Volume is the amount of space occupied by a three-dimensional object, measured in cubic units.

Front

How do you calculate the volume of a cone?

Back

Volume of a cone = (1/3)πr²h, where r is the radius and h is the height.

Front

What is the formula for the volume of a cylinder?

Back

Volume of a cylinder = πr²h, where r is the radius and h is the height.

Front

What is the volume of a sphere?

Back

Volume of a sphere = (4/3)πr³, where r is the radius.

Front

What is the volume of a rectangular prism?

Back

Volume of a rectangular prism = length × width × height.

Front

What is the unit of volume in the metric system?

Back

The unit of volume in the metric system is cubic centimeters (cm³) or liters (L).

Front

What is the approximate value of π?

Back

The approximate value of π is 3.14.

Front

How do you round a number to the nearest tenth?

Back

To round to the nearest tenth, look at the hundredths place; if it's 5 or more, round up.

Front

What is the volume of a cone with a radius of 5 inches and a height of 12 inches?

Back

Volume = (1/3)π(5²)(12) = 100π in³.

Front

What is the volume of a cylinder with a radius of 3 cm and a height of 10 cm?

Back

Volume = π(3²)(10) = 90π cm³.