Resources

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  • Practice Plan

An important formula to know, the difference of squares identity is derived geometrically in the video for this practice plan. Mathletes will then try.

  • Practice Plan

This plan builds on what Mathletes already know about ratios to introduce the definition of probability as a ratio of desired outcomes to total outcomes.

  • Practice Plan

Mathletes are likely most comfortable working with numbers in base 10, but there are many other number systems to explore - other integer bases.

  • Practice Plan

Understanding and applying ratios can be used in a variety of problems, from finding a missing measurement to determining scale between similar figures.

  • Practice Plan

Calculating the least common multiple is something many Mathletes are asked to do, but in this plan they will use their understanding of the least.

Other Great Resources
Our Story

The MATHCOUNTS Foundation is a 501(c)3 non-profit organization that reaches students in grades 6-8 in all US states and territories with 3 extracurricular math programs. More than a quarter million students participate in our programs or use our resources each year.

There are many paths to success in math.  We help all students discover theirs.

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