Instructional Video

Add and Subtract Radicals

Radically apply old skills to a new concept. Pupils learn how to add and subtract radicals by applying previously learned skills of simplifying radicals and combining like terms. The video shows examples with both square and cube roots. Learners practice their combined skills with several worksheets on the way to mastery.

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CCSS: Adaptable
Instructional Ideas
  • Develop application problems that would provide a reason to add and subtract radicals
Classroom Considerations
  • It is helpful to know perfect squares
  • First lesson in a four-part unit on radicals
  • This video is hosted on YouTube
Pros
  • Includes a review of simplifying radicals
  • Provides an exit ticket to check for understanding
Cons
  • None