Directions: Write three equations whose solution is x = 3. Source: Dan Meyer

Read More »## Robert Kaplinsky

## Perimeter

Directions: Draw three rectangles with a perimeter of 20 units. Source: Dan Meyer

Read More »## Table of Values: Not a Function

Directions: Create a table of values that is not a function. Source: Nanette Johnson and Robert Kaplinsky

Read More »## Table of Values: Function

Directions: Create a table of values that is a function. Source: Nanette Johnson and Robert Kaplinsky

Read More »## Order of Operations

Directions: Make the largest (or smallest) expression by using the digits 0-9, no more than one time each, in the boxes below. Note: for 5th grade, remove the exponent to make it grade level appropriate. Source: Robert Kaplinsky with answer from Michael Fenton and his students.

Read More »## Factoring Polynomials

Directions: What numbers go in the blanks to make the equation true? Source: Robert Kaplinsky

Read More »## Multiplying Mixed Numbers by Whole Numbers

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

Read More »## Rectangles: Maximizing Area

Directions: What is the greatest area you can make with a rectangle that has a perimeter of 24 units? Source: Robert Kaplinsky

Read More »## Rectangles: Maximizing Perimeter

Directions: What is the greatest perimeter you can make with a rectangle that has an area of 24 square units? Source: Robert Kaplinsky

Read More »## 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

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