GCSE Maths (AQA)
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.
Number
Measures and Accuracy
Truncation
4:22
Error Intervals & Truncation
Spec
N15
- Truncation is an alternative to rounding
- Truncation removes one or more digits from the end of a number without rounding the next digit
- Truncation always rounds down
- Truncation is different from rounding because it does not consider the value of the next digit
- Truncation is used to determine accuracy limits in certain contexts, such as age representation
- Truncation is used to represent full years, regardless of months, weeks, and days
- Truncation can be used to calculate error intervals by determining the lowest and upper bounds of a value
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.