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  1. Fibonacci Sequence - Math is Fun

    The Fibonacci Sequence is the series of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, 34, ... The next number is found by adding up the two numbers before it:

  2. Nature, The Golden Ratio and Fibonacci Numbers - Math is Fun

    Plants can grow new cells in spirals, such as the pattern of seeds in this beautiful sunflower. ... The spiral happens naturally because each new cell is formed after a turn.

  3. Golden Ratio - Math is Fun

    it has Pythagoras and φ together the ratio of the sides is 1 : √φ : φ, making a Geometric Sequence

  4. Pascal's Triangle - Math is Fun

    To build the triangle, start with 1 at the top, then continue placing numbers below it in a triangular pattern. Each number is the numbers directly above it added together.

  5. Number Sequences - Square, Cube and Fibonacci

    Numbers can have interesting patterns. Here we list the most common patterns and how they are made. An Arithmetic Sequence is made by adding the...

  6. Sequences - Math is Fun

    You can read a gentle introduction to Sequences in Common Number Patterns. ... A Sequence is a list of things (usually numbers) that are in order.

  7. Fibonacci Sequence Definition (Illustrated Mathematics Dictionary)

    Illustrated definition of Fibonacci Sequence: The sequence of numbers: 0, 1, 1, 2, 3, 5, 8, 13, 21, ... Each number equals the sum of the two numbers before...

  8. Geometric Sequences and Sums - Math is Fun

    Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

  9. Sequences - Finding a Rule - Math is Fun

    To find a missing number in a Sequence, first we must have a Rule ... A Sequence is a set of things (usually numbers) that are in order.

  10. High School Functions Common Core Standards - Math is Fun

    HSF.LE.A.2 Construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input-output pairs (include …