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This video is about using the graph of a trigonometric function (the sine function in this case) to help solve equations.

A second video on solving equations where the unknown is on both sides. 00:00 Introduction 00:13 Example 1 Solve 2(y 2) = y - 1 01:55 Example 2 Solve 2(d - 4) = -d 10 04:16 Example 3 Solve 6p - 25 = 7 - 2p 05:33 Example 4 Solve 5x - 3 = 4- x

A video on powers where the index is either zero or a negative integer. 00:00 Introduction 00:22 Recap on reciprocals 02:20 Spotting patterns 07:38 Examples

A video on dividing with decimals

A video on rationalising denominators of algebraic fractions involving surds, where it is necessary to multiply the numerator and denominator by the conjugate of the denominator. 00:00 Introduction and recap 02:57 Example 1 04:38 Example 2 06:05 Example 3 07:01 Example 4 Prerequisites: www.bossmaths.com/n8b

A video on rationalising denominators of algebraic fractions involving surds. 00:00 Introduction 00:33 Recap questions 01:50 Example 1 02:37 Example 2 03:38 Example 3 05:23 Example 4 Prerequisites: www.bossmaths.com/n8b

A video on subtracting decimals

A video on adding decimals using column addition

This video looks at finding the distance from a point to a line, given the point’s coordinates and the equation of the line. At first, we solve the problem using a diagram, but then we also look at solving the same problem using algebra without a diagram. 00:00 Introduction 00:41 Solving the problem using a diagram 02:55 Solving the problem algebraically without a diagram

A video on solving quadratics using the quadratic formula some initial rearrangement is required.

A video about solving quadratic equations by completing the square

A video on converting between eg m³ and cm³

A video on converting between eg m² and cm².

G15c video 3 of 3 Finding the bearing of A from B given the bearing of B from A

G15c video 2 of 3 Bearings and angles facts

G15c video 1 of 3 Introduction to bearings

G15a video 1 of 2 Measuring lengths

R10a video 4 of 4 Direct proportion

R10a video 1 of 4 Introduction to direct proportion

R10a video 2 of 4 Two quantities NOT directly proportional to each other

R10a video 3 of 4 Direct proportion

A17b Part 1 video 2 of 2 Solving equations where the unknown is on both sides

A17b Part 2 video 1 of 3 Solving equations with algebraic fractions (unknown is on both sides)

A18a Part 2 video 1 of 3 Solving quadratic equations where some rearrangement is required

A18a Part 1 video 3 of 3 Solving non-monic quadratic equations by factorising

A18a Part 1 video 2 of 3 Solving quadratic equations by factorising

A18a Part 1 video 1 of 3 Solving quadratic equations by factorising

A17b Part 1 video 2 of 2 Solving equations where the unknown is on both sides

A17b Part 1 video 1 of 2 Solving equations where the unknown is on both sides