Arithmetic Series Sums: Adding Arithmetic Sums

This Arithmetic Series Sums: Adding Arithmetic Sums interactive also includes:

Sum up the shortcuts. The interactive allows pupils to discover a shortcut in finding a partial sum of an arithmetic series. Learners use the shortcut to find other sums and to verify the process.

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Instructional Ideas
  • Lead a discussion in determining the general form for finding the partial sums of an arithmetic series
Classroom Considerations
  • User must sign up for a free login account for CK-12
  • The class should be familiar with arithmetic sequences
  • Allows students to see the correct answer if they choose the incorrect one 
  • Provides a visual approach to finding the shortcut
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