Harder Quadratic Equations, Circle Theorems, Upper and Lower Bounds, Direct and Inverse Proportion, The Sine and Cosine Rules, Probability Tree Diagrams, Surds

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Harder Quadratic Equations animated PowerPoint GCSE

The PowerPoint includes:

8 examples where the coefficient of x squared is bigger than 1

The examples are animated to show the steps

20 questions for learners to practice the techniques (with answers)

4 questions which are more like exam questions

These 4 questions have full animated solutions

I taught this technique for solving quadratic equations for many years and often had comments like " is that all you have to do?"

GCSE

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Circle Theorems animated PowerPoint - GCSE

The seven circle theorems with animated diagrams

Tangent

Two tangents

Angles at the centre and circumference

Angles in a semi-circle

Angles in the same segment

Cyclic quadrilateral

Alternate segment

Also includes 2 revision slides on parts of the circle

GCSE

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Upper and Lower Bounds - animated PowerPoint - GCSE

Explanation of how to find Lower Bounds

Explanation of how to find Upper Bounds

Examples when the data is discrete

Examples when the data is continuous

Example questions on finding Maximum and Minimum values

GCSE

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Direct and Inverse Proportion - animated PowerPoint - GCSE

Explanation of Direct and Inverse Proportion including examples

Stepped instructions for solving questions involving Direct and Inverse Proportion

GCSE

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The Sine and Cosine Rules - animated PowerPoint - GCSE

The Sine rule

two sides and a not included angle

two angles and any side

The Cosine rule

two sides and the included angle

all three sides only

GCSE

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Probability Tree Diagrams Animated PowerPoint - Independent and Dependent events GCSE

Probability Tree Diagrams Animated PowerPoint

Independent events

Dependent events

Worksheet included - pdf

GCSE

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Simplifying Surds Animated PowerPoint (GCSE)

GCSE surds animated PowerPoint

Simplifying surds

What is a surd?

The 4 general Rules

4 exercises (with answers)

Exercises on pdf (with answers)

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GCSE maths

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Created: Sep 23, 2016

Updated: Feb 22, 2018

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### Categories & Grades

- Math
- Math / Algebra
- Math / Algebra / Factorising
- Math / Algebra / Solving equations
- Math / Data and statistics
- Math / Data and statistics / Probability
- Math / Geometry and measures
- Math / Geometry and measures / Basic trigonometry
- Math / Geometry and measures / Circles
- Math / Number
- Math / Number / Ratio and proportion
- Math / Number / Rounding and estimation
- Math / Number / Surds

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