Mathematics GCSE
bounding by known powers
What bounding by known powers means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of bounding by known powers
Check what you remember
Read the wording for your board, then hide it and explain bounding by known powers in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: Pearson Edexcel
Naming the two known powers the value sits between, such as 49 and 64 for a square root near 50.
Topics that use bounding by known powers
- Number - Structure and calculation (Pearson Edexcel GCSE)
Related terms
- Base
- cancelling common factors
- Circumference
- Counting without replacement
- denominator
- equivalent fractions
- Error interval
- estimating roots
Using bounding by known powers in the exam
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