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High School
Year 9 Maths
Trigonometry
Trigonometry: What Is It?
Basic trigonometry | Basic trigonometry | Trigonometry | Khan Academy
Basic trigonometry II | Basic trigonometry | Trigonometry | Khan Academy
Pythagoras' Theorem
Colin Dodds - Pythagorean Theorem (Math Song)
The Pythagorean theorem intro | Right triangles and trigonometry | Geometry | Khan Academy
Pythagorean theorem II | Right triangles and trigonometry | Geometry | Khan Academy
Algebra
Indices - Where the laws come from
Indices - Using the laws in practice
Powers (Math Song)
Scientific Notation - Explained!
Rounding to significant figures
Introduction to Rearranging Equations
Transposition (Rearranging Equations) - 1
Transposition (Rearranging Equations) - 2
Transposition (Rearranging Equations) - 3
Transposition (Rearranging Equations) - 4
Expanding a Single Bracket
Expanding 2 Single Brackets
Expanding Double Brackets (Binomial Expansion)
Square of a Sum, Square of a Difference and Difference of 2 Squares
Factorise simple expressions 1
Factorise simple expressions 2
Factoring by Grouping