apt4Maths: ANGLES - AN INTRODUCTION PowerPoint (Lesson 2 of 14 on Shapes, Angles & Constructions)

PowerPoint Presentation on Angles – An Introduction (25 slides) for GCSE (and Key Stage 3) Maths: Explains key words and facts linked with turning and position, the different type and sizes of angles, how to estimate the size of angles, and how to measure angles accurately. It has been written by a highly experienced teacher (of 25+ years), senior examiner and reviser for Maths and Stats examinations. It includes:

Lesson objectives
Step-by-step explanations of the subject matter
Examples to aid understanding
Questions to check understanding
Answers to questions, with explanations
Suggestions regarding which topic(s) should be moved on to next.

It is 1 of a set of 14 PowerPoints on ‘Shapes, Angles & Constructions’ that APT Initiatives has published for GCSE (and Key Stage 3) Maths. The complete set of 14 PowerPoints (238 slides, excluding Title Pages) covers the following topics relating to ‘Shapes, Angles & Constructions’:

01 Shapes – Terminology and Properties (18 slides).
02 Angles – An Introduction (25 slides).
03 Angles – Simple Facts (20 slides).
04 Angles – Polygons (20 slides).
05 Angles – Parallels (23 slides).
06 Angles – Bearings (9 slides).
07 Circle Theorems (21 slides).
08 Basic Trigonometry (24 slides).
09 Sine Rule (14 slides).
10 Scale Drawings (11 slides).
11 Constructions (13 slides).
12 Bisectors (11 slides).
13 Locus (14 slides).
14 Views (15 slides).

These PowerPoint Presentations are one of several sets of PowerPoint Presentations, which essentially relate to the ‘Geometry and Measures’ section of the Maths specifications. These other sets concern:

Measures, Perimeter, Area & Volume
Symmetry, Transformations & Vectors

Note: Work on Pythagoras’ Theorem, the Cosine Rule, and the trigonometric formula for the area of a triangle, is included in APT’s set of PowerPoints on ‘Measures, Perimeter, Area & Volume’.

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