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High School: Number and Quantity

Radical Equations

Directions: Using the digits 0-9 at most one time each, make both of these equations true. Source: Jonathan Newman

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Complex Number Products

Directions: Use the integers -9 to 9, at most one time each, to fill in the boxes twice: once to make a positive real number product and once to make a negative real number product. Source: Robert Kaplinsky

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Matrix Multiplication

Directions: Using the digits 1-9, each only once, fill in the blanks to create the smallest possible value for a. Source: Bryan Anderson

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Rational Exponents

Directions:  Fill in the boxes using the whole numbers 1 through 6 to make the largest (or smallest) possible number. Use each digit at most once. Extension: How close to 1 can you get? Source:  Erick Lee

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Multiply Complex Numbers

Directions:  Create two complex numbers (a + bi) such that the product of your numbers is 67. Each value of a, b must be non-zero. Source:  Chris Duran

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