Four Fours - An Expression-writing Challenge

Four Fours is a game in which students race to use the four mathematical operations (addition, subtraction, multiplication, and division), exponent, square root, factorial, and order of operations to create mathematical expressions for each of the whole numbers 1 through 100. The challenge is that they must use only the digit four and it must be used exactly four times in each expression.

This activity is highly engaging as students compete to outsmart each other. Once the "easy" expressions are determined, it takes quite a bit of brain power to successfully find more.

Use this challenge as a whole class exercise when you need a break from the curriculum or on a game day. Four Fours is an excellent activity for a Math Club or a Family Math Night. Use the paper and pencil version as an option for early finishers or students who need an extra challenge. This is an excellent challenge for G & T students.


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