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AVERAGES

  • Sequences, Series and Patterns
  • Statistics and Data
Explore measures of central tendency, specifically mean and median, by solving common types of MATHCOUNTS problems related to sets of numbers. Use the extension at the end to develop a rule for...
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DATA DISPLAYS

  • Percents and Fractions
  • Statistics and Data
Mathletes will analyze frequency tables, histograms, stem-and-leaf plots and other visual representations to solve problems about sets of data. In the extension, Mathletes will analyze a set of data...
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DIFFERENCE OF SQUARES

  • Algebraic Expressions and Equations
An important formula to know, the difference of squares identity is derived geometrically in the video for this practice plan. Mathletes will then try to recognize the difference of squares structure...
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