These videos look at standard form calculation type questions, and are aimed at around grade 5 GCSE maths. The questions should be reasonably straightforward, although they can take a little time to practice.
The first video is all about the theory, and you’ll need to be able to work with indices, the second video aims to give you some experience with standard form calculations as word problems.
Download a copy of the questions here:
QT Standard Form Word Problems
Here’s a copy of the written answers:
QT Standard Form Calculations ANSWERS
QT Standard Form Word Problems ANSWERS
These types of questions appear in all the main GCSE exam boards – Edexcel, AQA, OCR and Educas – and are fairly common for non calculator papers.
Top Tips!
- It’s all about moving the decimal point*
- Make sure you check the index to see how many jumps
- Always use a zero to keep the places correct
- Remember two negatives make a positive
* This topic can sometimes be taught with the decimal point staying in the same place – and the numbers moving.
Here’s other posts that also might be of interest:
Reflections; GCSE maths around grade 3
Enlargements by a scale factor; GCSE maths grade 3
How to enlarge a shape by a scale factor
Enlargement by a negative scale factor
How to change the subject of a formula; grade 5 maths GCSE
Please do leave a comment below if you are not sure. Alternately you can view my YouTube channel and leave a comment there – I’ll always try to respond as quickly as possible.
Watch these videos on YouTube:
Standard Form calculations – GCSE maths
Standard form word problems – GCSE maths
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