Monthly Archives: December 2019

Flipping A Fair Coin

Posted on December 27, 2019 by mvtrinh

If a fair coin is flipped times, what is the probability of getting exactly heads? If a fair coin is flipped times, what is the probability of getting exactly heads, where ? Source: NCTM Mathematics Teacher, March 2008 Solution Let’s … Continue reading →

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What Can You Do With Four 4s?

Posted on December 2, 2019 by mvtrinh

Using four s, no other numbers, and as many mathematical operations as you like, create mathematical expressions that equal the integers from on. How high can you go? Source: NCTM Mathematics Teacher, March 2008 Solution Without guessing we can express … Continue reading →

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