Mental Math

Faster than a speedy calculator! Show your classes how to use polynomial identities to multiply numbers quickly using mental math. 

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CCSS: Designed
Instructional Ideas

  • Use white boards for learners to practice using the polynomial identities
  • Challenge pupils to compute products quickly; ask for volunteers to race each other
Classroom Considerations

  • The lesson is designed for one class period, but it may take longer depending on the level of your classes
  • The lesson follows as the seventh in a series of 42 lessons
Pros

  • Applies polynomial identities to a practical purpose 
  • Provides detailed teacher notes with lesson design strategies and questioning suggestions
Cons

  • None