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161 free courses & lectures available for Algebra

Adding and subtracting fractions | Fractions | Pre-Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
How to add and subtract fractions. Practice this lesson yourself on KhanAcademy.org right now: ...
  
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Speed translation | Ratios, proportions, units, and rates | Pre-Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.17 hours
Translating speed units Watch the next lesson: ...
  
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Unit conversion within the metric system | Pre-Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
Metric unit conversion Practice this yourself on Khan Academy right now: ...
  
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Subtracting decimals (old) | Decimals | Pre-Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.14 hours
Subtracting decimal numbers Practice this lesson yourself on KhanAcademy.org right now: ...
  
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Dividing decimals with hundredths example 3 | Decimals | Pre-Algebra | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
The old saying is "practice makes perfect." Let's keep practicing dividing decimals and making our divisor a whole number. Practice this lesson yourself on ...
  
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Exponent rules part 1 | Exponents, radicals, and scientific notation | Pre-Algebra | Kh...

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
Introduction to exponent rules Practice this lesson yourself on KhanAcademy.org right now: ...
  
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Exponent rules part 2 | Exponents, radicals, and scientific notation | Pre-Algebra | Kh...

by Khan Academy on Youtube Youtube
Duration: 0.13 hours
2 more exponent rules with an introduction to composite problems Practice this lesson yourself on KhanAcademy.org right now: ...
  
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Simplifying radicals | Exponents, radicals, and scientific notation | Pre-Algebra | Kha...

by Khan Academy on Youtube Youtube
Duration: 0.16 hours
Using exponent rules to simplify radicals or square roots Practice this lesson yourself on KhanAcademy.org right now: ...
  
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Introduction to the quadratic equation | Quadratic equations | Algebra I | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
Introduction to using the quadratic equation to solve 2nd degree polynomial equations Watch the next lesson: ...
  
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Quadratic equation part 2 | Quadratic equations | Algebra I | Khan Academy

by Khan Academy on Youtube Youtube
Duration: 0.15 hours
2 more examples of solving equations using the quadratic equation Watch the next lesson: ...
  
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