Class Clips is changing
We will be introducing the new Knowledge and Learning Beta website over the coming months. Clips for use in the classroom are now available on your phone, tablet or PC.


Alternatively, you can still browse or search by keyword or clip number on this site.

CLIP 1552

Calculating size - scaling up and down (signed)

Calculating size - scaling up and down (signed)
Play

Did you know?

All Class Clips content is available to watch on mobile, tablet and desktop devices on our new Knowledge & Learning BETA website.

Key Info
  • Calculating size - scaling up and down (signed)
  • Duration: 02:25
  • A model maker at Legoland describes how he changes the size of a model by scaling it up or down. He uses smaller or larger bricks to make models of different sizes. He also describes how he carefully measured a real car in order to calculate the dimensions needed for a smaller model. He challenges the viewer to look at his model of Big Ben and guess the scale.
  • Subject:

    Maths

       Topic:

    Fractions Percentages and Ratio

  • Keywords: size, larger, bigger, smaller, model, scale, scaling, measure
Ideas for use in class
  • Use a road map to measure the real distance between towns and cities, using the key scale.
Background details
  • Clip language : British Sign Language
  • Aspect ratio : 16x9

BBC navigation

BBC © 2014 The BBC is not responsible for the content of external sites. Read more.

This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.