Subtract Rational Numbers Using an Algorithm

This Subtract Rational Numbers Using an Algorithm video also includes:

Subtracting negative numbers can be confusing and hard to comprehend. Show your learners the steps to solving these problems and patterns to help them remember. The video uses a pattern to show how subtracting a negative computes the same as adding. There is a large focus that subtracting a number is adding the opposite. 

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CCSS: Designed
Instructional Ideas

  • This is the fourth video in a five-part series, use the prior videos for real-life examples with subtracting negative numbers
Classroom Considerations

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Pros

  • Reviews rational numbers
  • Displays good rules to remember about subtracting rational numbers
Cons

  • Rational examples are fast-paced and do not show calculations, pause video and allow learners to solve independently 
Common Core