GCSE Maths - Using Scales on Maps and Scale Diagrams

Описание: ⭐ https://www.cognito.org/ ⭐️

** WHAT'S COVERED **
1. Understanding Scale Drawings and Maps.
How they represent real objects/areas at different sizes.
The importance of images being drawn 'to scale'.
2. Different Types of Scaled Images.
3. Understanding and Using Map/Drawing Scales (Keys).
4. Calculating Real-Life Distances.
5. Calculating Real-Life Areas.
6. Drawing Objects to Scale
Converting real-life object dimensions to scaled dimensions using the key.
Representing the object accurately on a scale drawing.

** EXAM BOARD INFO **
This video is suitable for maths courses around the world.
KS3 - All on your course
GCSE Foundation - All on your course
GCSE Higher - All on your course
A-level - All on your course

** CHAPTERS **
0:00 Intro: What are Maps and Scale Drawings?
0:30 Images are To Scale: Proportions
0:44 Terminology: Photo, Scale Drawing, Scale Diagram, Map
1:13 The Importance of a Scale / Key
1:23 Types of Scale Representation
1:33 Using Statement Scales
1:49 Using Ratio Scales
2:18 Using Bar Scales
2:53 Example 1: Calculating Real Distance using Ratio Scale
4:32 Example 2: Scale Drawing on a Grid
4:47 Part (a): Finding the Length and Width of the Patio
5:54 Converting Drawing Lengths to Real Lengths
6:15 Calculating the Real Area of the Patio
6:30 Common Mistake: Converting Area Directly Using Linear Scale
7:10 Part (b): Drawing an Object onto the Scale Drawing

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