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ORDER OF OPERATIONS & DEFINING NEW RULES

  • Algebraic Expressions and Equations
  • General Math
After refreshing Mathletes on the order of operations, the video will then focus on how to solve problems where an unfamiliar symbol is defined to be a new type of operations that follows given rules.
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FASTER ARITHMETIC METHODS

  • Algebraic Expressions and Equations
  • General Math
  • Problem Solving (Misc.)
Using the commutative, associative and distributive properties, Mathletes will arrange arithmetic problems in a different order that allows them to be solved more readily.
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DISTANCE = RATE X TIME

  • Algebraic Expressions and Equations
  • General Math
Explore the formula d = rt by starting with unit conversion problems. Mathletes will solve for distance, rate and time by paying attention to the units given in the problem and using the appropriate...
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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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