Preparation Videos
Learn more about prime factorization – understanding prime number, factors, Least Common Multiple (LCM) and Greatest Common Factor (GCF) – learn how to solve two prime factorization problems!
Discover two ways to find LCM and GCF.
Solve two square root problems without a calculator using prime factorization.
Learn a quick way to use prime factorization to find the number of whole number factors in two problems.
Learn a quick way to use prime factorization to find the sum of whole number factors in two problems.
Learn two strategies to find the area of a quadrilateral and the area of a square in a circle.
More ways to find the area of a quadrilateral that does not have a clear location on the coordinate graph.
Discover various strategies to solve for the area of an equilateral triangle.
Learn a different way find the area of a polygon formed by connecting coordinates.
Teachers: Some insights, tips and strategies for building a MATHCOUNTS competition program at your school.
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