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Mathematics: Khan Academy (Free)

Khan Academy


Khan Academy is a non-profit organization founded in 2006.  The founder, Salman Khan, believed that everyone in the world should be entitled to a free education and from this belief Khan Academy was born.  Salman Khan has a BS in mathematics, a M.Sc. in electrical engineering and computer science and an MEng in electrical engineering and computer science from M.I.T..  He also holds a  Master of Business Administration from Harvard Business School.

This is what you can find in their mathematics section:

  • There are teaching tools available for both parents and teachers.  Parents and Teacher create their own logins to track student progress.
  • They have Spanish, French, and Brazilian Portuguese versions of the site.
  • Khan Academy produced Youtube videos provide students with live lessons
  • Math lessons are broken down by topic and skill level.  Videos and interactive practice problems accompany lessons.
  • Early math (K-2nd Grade):  counting, place value, patterns, addition, subtraction, measurement, geometry
  • 3rd Grade:  addition, subtraction, multiplication, division, fractions, measurement, geometry, place value, rounding, expressions, and patterns.
  • 4th grade:  addition, subtraction, multiplication, division, fractions, measurement, geometry, place value, rounding, factors, multiples and patterns
  • 5th grade: arithmetic operations, fractions, place value, and decimals, algebraic thinking
  • 6th grade: arithmetic operations, negative numbers, ratios, rates, percentages, properties of numbers, variables and expressions, geometry, data and statistics
  • 7th grade: rates, proportional relationships, ratios, negative numbers (addition, subtraction, multiplication, and division) fractions, decimals, percentages, variables and expressions, geometry, statistics and probability
  • 8th grade: numbers and operations, solving problems with one unknown, two-variable linear equations and functions, systems of equations, geometry, data and modeling
  • Algebra:  Basics, Algebra I and Algebra II, Linear Algebra
  • Geometry
  • Trigonometry
  • Probability and Statistics
  • Calculus:  Precalculus, Calculus, Differential Calculus, Integral Calculus,  Multivariable Calculus

mathematicsVisit the Mathematics Section of Home & Schooling for More Math Resources.

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