Directions: Using the integers -9 to 9 at most one time each, fill in the boxes to make a product that is as close to zero as possible without being exactly zero. Source: Robert Kaplinsky

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

## Approximating Irrationals 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes twice to make the greatest possible irrational number. Source: Robert Kaplinsky

Read More »## Complimentary and Supplementary Angles 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to create supplementary and complementary angles where the measures of each pair of angles are as close together as possible. Source: Brian Anderson with Robert Kaplinsky

Read More »## Circle Radius and Area 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to create a circle with the smallest difference between the area estimates. Source: Robert Kaplinsky

Read More »## Multiplying And Dividing Rational Numbers 2

Directions: Using the integers -9 to 9 at most one time each, fill in the boxes to create a quotient with the greatest possible value. Source: Robert Kaplinsky

Read More »## Adding And Subtracting Rational Numbers 2

Directions: Using the integers -9 to 9 at most one time each, fill in the boxes to create an equation where each side has the greatest possible value. Source: Robert Kaplinsky

Read More »## Unit Rates with Fractions 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to create a unit rate with the greatest possible value. Source: Robert Kaplinsky

Read More »## Markup & Discount 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to create the least expensive item after discount. Source: Robert Kaplinsky

Read More »## Ratios 2

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to make an equivalent ratio with a unit rate that has greatest possible value. Source: Robert Kaplinsky

Read More »## Mean, Median, and Range 2

Directions: Create a set of five positive integers from 1 to 20 so that the values of their mean, median, and range are the same and have the greatest possible value. Source: Eric Berchtold, Melissa Minnix, and Robert Kaplinsky

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