 # Tag Archives: Robert Kaplinsky

## Which Circle Is Bigger? (High School)

Directions: Which circle is bigger?  Circle A with an area of 25 square units or Circle B with the equation x^2 + y^2 = 25 Source: Robert Kaplinsky

## Which Quadrilateral Has A Greater Area?

Directions: Which quadrilateral has a greater area? Quadrilateral A has its perimeter equal to 44 units.  Quadrilateral B has the sum of its interior angles equal to 360 degrees. 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

## Squares: Perimeter v. Area

Directions: How can you tell which square is bigger: a square with a perimeter of 25 units or a square with an area of 25 square units? Source: Robert Kaplinsky

## Rectangles: Perimeter v. Area

Directions: How can you tell which rectangle is bigger: a rectangle with a perimeter of 24 units or a rectangle with an area of 24 square units? Source: Robert Kaplinsky

## Is the Quadrilateral a Square?

Directions: What is the least number of geometric markings needed to demonstrate that a quadrilateral is a square? Source: A collaborative effort of Jose De La Torre and Nanette Johnson answer by Ricardo Navarro with help from Robert Kaplinsky

## Multiplying Mixed Numbers

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) product. Source: Robert Kaplinsky

## Multiplying Fractions

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to ake the smallest (or largest) product. Source: Robert Kaplinsky