Key term for Edexcel GCSE Mathematics, used in Measures and Accuracy.
The approximate size of a number, usually indicating whether it is in the tens, hundreds, or thousands, used to check if an answer makes sense.
Order of magnitude appears in Edexcel GCSE Mathematics revision content for Number, especially Measures and Accuracy and Estimation.
Create a free account to access Edexcel GCSE Mathematics revision notes, track progress, and practise related key terms.