apt4Maths: PARALLEL & PERPENDICULAR GRAPHS PowerPoint for GCSE Maths (Lesson 7 of 11 on Graphs)

PowerPoint Presentation on Parallel & Perpendicular Graphs (15 slides): Explains how to spot and find the equations of parallel lines, how to find reciprocals, and how to find the equations of perpendicular lines. 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 11 PowerPoints on ‘Graphs’ that APT Initiatives has published for GCSE (and Key Stage 3) Maths. The full set (193 slides, excluding Title Pages) covers the following topics:

01 Introducing Functions (15 slides).
02 Composite Functions (13 slides).
03 Co-ordinates (19 slides).
04 Plotting Graphs (16 slides).
05 Gradients & Intercepts (20 slides).
06 Straight Line Graphs (22 slides).
07 Parallel & Perpendicular Graphs (15 slides).
08 Circle Graphs (18 slides).
09 Trigonometric Graphs (14 slides).
10 Transforming Graphs (9 slides).
11 Real-life Graphs (22 slides).

These PowerPoints relate to the ‘Algebra’ sections of the Maths specifications. Other sets relating to Algebra concern:

Algebraic Manipulation
Equations & Inequalities
Types of Number and Sequences

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