Lesson: Using Arithmetic Sequence Formulas | Nagwa Lesson: Using Arithmetic Sequence Formulas | Nagwa

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Lesson: Using Arithmetic Sequence Formulas Mathematics • Second Year of Secondary School

In this lesson, we will learn how to write explicit and recursive formulas for arithmetic sequences to find the value of the 𝑛th term in an arithmetic sequence and how to find a term’s order given its value.

Lesson Plan

Students will be able to

  • calculate a specified term of an arithmetic sequence using the relation 𝑇=𝑇+(𝑛−1)𝑑,
  • find the number of terms in a given arithmetic sequence,
  • calculate the formula for the 𝑛th term of an arithmetic sequence,
  • find the order of a specific term in an arithmetic sequence.

Lesson Presentation

Lesson Video

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14:50

Lesson Explainer

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