# Tag Archives: DOK 3: Strategic Thinking

## Transformations – Shortest Sequence

Directions: What is the fewest number of transformations needed to take pre-image ABCD to image A’B’C’D’? Source: Robert Kaplinsky

## Maximum Value of a Quadratic in Vertex Form

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

## 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

## 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

## Making Change 2

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

## 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

## 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.

## 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