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 Challenge
 Distributive Property:  The sum of two addends multiplied by a number is the sum of the product of each addend and the number.

Consecutive Odds and Evens: Determine a rule that relates arithmetic operations on four consecutive odd and even numbers.

Arranging Toothpicks: What is the total number of toothpicks used to build a rectangular grid?

Almost a Square: What rectangle can you construct so that its area and dimensions are close to those of a specific square?