MA.FR.3.a: Use and interpret the notation: ∑, 𝑛, 𝑛ᵗʰ, and 𝑎ₙ.

Use and interpret the notation: ∑, 𝑛, 𝑛ᵗʰ, and 𝑎ₙ.

Example Problems

Evaluate:

\sum_{p = 1}^3 (7) =

Evaluate:

\sum_{i = 1}^6 (i) =

Evaluate:

\sum_{d = 1}^4 (3d) =

Khan Academy Resources

Series: FAQ Arithmetic series worksheet Arithmetic series Finite geometric series Summation notation intro Intro to arithmetic sequences Sequences intro Geometric series intro Intro to geometric sequences Geometric series with sigma notation Worked example: finite geometric series (sigma notation)Worked example: arithmetic series (sigma notation)Summation notation

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