About the Club…
Challenge your mathematical problem solving skills with problems similar to those found on math contests such as the AMC 8, AMC 10, MATHCOUNTS, or the middle school math olympiads. I post a problem set each week, and then come back later in the week and post the answers and video solutions.Connect

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Category Archives: Lessons
Lesson: Counting Divisors
How many positive integers are divisors of 650? Can you figure it out without listing them all? Watch this lesson and learn how: Counting Divisors Advertisements
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Lesson: Arithmetic Series and Sequences
Add the following numbers: 1 + 2 + 3 + 4 + … + 100 You have 30 seconds. Go! Watch my lessons on Arithmetic Series and Sequences and learn to add lists of numbers like this quickly and easily. … Continue reading
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Lesson: Counting Lists of Numbers
I’ve posted my first lesson: Counting Lists of Numbers Did you know you can count lists of numbers without actually counting them? Hmmm… how does that work? Actually you can count lots of things without actually counting them! (Stay tuned … Continue reading
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