## Rectangular Prism Surface Area

Directions: List the measurements of three different rectangular prisms that each have a surface area of 72 square units? Source: Robert Kaplinsky

## Circles and Square

Directions: The diagram shows a square and four semicircles formed using each side of the square as a diameter. What fraction of the square is shaded? Source: Dylan Kane

## Equivalent Ratios

Directions: Using the digits 1 to 9, fill in the boxes to make as many ratios as you can that are equivalent to 2:3. Source: Robert Kaplinsky

## Which Rectangle is More Like a Square?

Directions: Which rectangle is more like a square?  Rectangle A is 13 units by 15 units.  Rectangle B is 2 units by 3 units. Source: Robert Kaplinsky

## What Measurements Make a Circle?

Directions: What is one possible set of values for the area and circumference of the same circle? Source: Nathan Charlton

## Which Circle Is Bigger? (Middle School)

Directions: Which circle is bigger: one with an area of 30 square units or one with a circumference of 30 units?  How do you know? Source: Robert Kaplinsky