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Tag Archives: Robert Kaplinsky

Complex Number Products

Directions: Use the integers -9 to 9 at most one time each, place an integer in each box to make a positive real number product and then repeat the process to make a negative real number product. You may use all the integers each time. Source: Robert Kaplinsky

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Solving One-Step Equations 2

Directions: Using the digits 1 to 9 at most one time each, place a digit in each box to make a true equation where x has the greatest possible value. Source: Robert Kaplinsky

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Creating Inequalities

Directions: Using the integers -4 to 4, at most one time each, create an inequality with solutions of x > 2/3. Source: Robert Kaplinsky

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Close to 1000

Directions: Using the digits 1 to 9 exactly one time each, place a digit in each box to make the sum as close to 1000 as possible. Source: John Ulbright and Robert Kaplinsky

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Decimal Product Close To 50

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes so that the product is as close to 50 as possible. Source: Robert Kaplinsky

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Multiplying Decimals Given One

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make a true statement. Source: Robert Kaplinsky with help verifying the answer from Marcia and Rick Casterline

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Line of Reflections on Isosceles Triangles

Directions: How many ways can you determine the location of the line of reflection for isosceles triangle XYZ that maps Point X to Point Z? Source: Irvine Math Project, Nanette Johnson, and Robert Kaplinsky.

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