Directions: Create a quadratic equation with the greatest possible maximum value using the digits 1 through 9, no more than one time each. Source: Robert Kaplinsky

Read More »# Tag Archives: DOK 3: Strategic Thinking

## Maximum Value of a Quadratic in Standard Form

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create a quadratic equation with the greatest possible maximum value. Source: Robert Kaplinsky

Read More »## Two-Step Equations

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to find the greatest (or least) possible values for x. Source: Audrey Mendivil, Daniel Luevanos, and Robert Kaplinsky

Read More »## Making Change 2

Directions: Make 47¢ using exactly 6 coins with either quarters, dimes, nickels, or pennies. Source: Thad Domina and Robert Kaplinsky

Read More »## Rectangular Prism Surface Area Versus Volume

Directions: What is least amount of surface area possible on a rectangular prism with a volume of 64 cubic inches? Source: Robert Kaplinsky

Read More »## Order of Operations 2

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 »## 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 »## Make the Biggest Circle

Directions: Using the digits 1 to 9 as many times as you want, fill in the boxes to make the biggest circle: Source: Robert Kaplinsky

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