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Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 15

Last updated 9 months ago

8 questions

1

A cylinder and cone have the same height and radius. The height of each is 5 cm, and the radius is 2 cm.

Calculate the volume of the cylinder and the cone.

1

The volume of this cone is 36π cubic units.
What is the volume of a cylinder that has the same base area and the same height?

1

A cylinder has a diameter of 6 cm and a volume of 36π cm3.

Sketch the cylinder.(Show Your Work)

Find its height and radius in centimeters.(Short Answer)

Label your sketch with the cylinder’s height and radius.(Show Your Work)

1

A cylinder has a diameter of 6 cm and a volume of 36π cm3.

Sketch the cylinder.(Show Your Work)

Find its height and radius in centimeters.(Short Answer)

Label your sketch with the cylinder’s height and radius.(Show Your Work)

1

Lin wants to get some custom T-shirts printed for her basketball team. Shirts cost $10 each if you order 10 or fewer shirts and $9 each if you order 11 or more shirts.

Make a graph that shows the total cost of buying shirts, for 0 through 15 shirts.(Show Your Work)

There are 10 people on the team. Do they save money if they buy an extra shirt?(Multiple Choice)

1

Lin wants to get some custom T-shirts printed for her basketball team. Shirts cost $10 each if you order 10 or fewer shirts and $9 each if you order 11 or more shirts.

What is the slope of the graph between 0 and 10?

1

Lin wants to get some custom T-shirts printed for her basketball team. Shirts cost $10 each if you order 10 or fewer shirts and $9 each if you order 11 or more shirts.

What is the slope of the graph between 11 and 15?

1

In the following graphs, the horizontal axis represents time and the vertical axis represents distance from school. Write a possible story for each graph.

"Source: Open Up Resouces (Download for free at openupresources.org.)"