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CH 1 Patterns in Mathematics
What is Mathematics?
Mathematics involves the search for patterns and understanding why they exist.
Patterns are found everywhere in nature, science, and daily life, like in weather, games, and
technology.
Patterns in Numbers:
Patterns in whole numbers are studied in number theory.
Examples include sequences like counting numbers (1, 2, 3...), odd numbers (1, 3, 5...), and
squares (1, 4, 9...).
Visualising Number Sequences:
Number sequences can be represented pictorially to enhance understanding.
Square numbers and triangular numbers are examples of sequences that can be visualised.
Relations Among Number Sequences:
Some sequences are related, like adding consecutive odd numbers results in square
numbers.
For example: 1 + 3 = 4 (a square), 1 + 3 + 5 = 9 (a square), and so on.
Patterns in Shapes:
Shapes can also follow patterns, like sequences of regular polygons (triangle, square,
pentagon, etc.).
Stacked triangles and squares are common examples of shape patterns.
Relationship Between Number and Shape Sequences:
Shape sequences often relate to number sequences, like the number of sides in polygons
corresponding to counting numbers (triangle = 3, square = 4, etc.).