Adding and Subtracting Matrices: The Matrix Calculator

This Adding and Subtracting Matrices: The Matrix Calculator interactive also includes:

Discover the procedure to add and subtract matrices. Pupils use the interactive and discover the pattern in adding and subtracting matrices. Scholars adjust the entries in the addends and see the resulting changes in the sum. They also do the same for subtraction.

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CCSS: Designed
Additional Tags
Instructional Ideas
  • Ask the class to generalize the procedure to account for other sizes of matrices
Classroom Considerations
  • The class should be well versed in integer operations
  • The video goes beyond adding and subtracting matrices after 6:23
  • Requires registration and account set up to access the interactive
Pros
  • Allows individual to find the correct answer if they select the wrong answer
  • Uses color coding to show locations
Cons
  • None
Common Core