GCSE Maths (Edexcel)
435 videos | 33 hours
Please subscribe to watch this video.
This, and all other videos, are included in our premium subscriptions.
Premium accounts get access to all videos.
Enable autoplay to keep watching
Your browser is blocking videos from playing automatically. To turn it back on:
Safari (Mac): Click the Safari menu item in the top bar, then Settings → Websites → Auto-Play, then set Auto-Play to Allow All Auto-Play for the current website.
Safari (iPhone/iPad): open the Settings app, then Apps → Safari → Auto-Play, and select Allow All Auto-Play.
Geometry and Measures
Mensuration and Calculation
Prefixes
4:15
Units
Spec
R1
- Prefixes are placed in front of units to represent multiples or fractions of a unit
- Prefix "k" represents a thousand of the unit (e.g. kilometer, kilogram)
- Prefix "M" represents a million of the unit (e.g. megameter, megagram)
- Prefix "C" represents a hundredth of the unit (e.g. centimeter, centigram)
- Prefix "m" represents a thousandth of the unit (e.g. millimeter, milligram)
- There are many other prefixes, such as giga (billion) and nano (billionth)
- Mega, kilo, centi, and milli are commonly used prefixes in exam questions
Please subscribe to access these revision notes.
This, and all other video notes, are included in our premium subscriptions.
Premium accounts get access to all videos and revision notes.
Report an Issue
Spotted something wrong? Let us know and we'll take a look.