GCSE Maths Revision Guide
Bounds (Upper & Lower)
Upper and lower bounds of rounded measurements. This free GCSE Maths module combines short explanations, worked examples, flashcard-style recall, and timed practice so students can revise the topic without creating an account.
Foundation Skills
Error Intervals
If rounded to the nearest 10, the error is ±5. If 40 (nearest 10), lower bound is 35, upper bound is 45.
Higher Skills
Calculating with Bounds
To find the MAXIMUM possible result of division: Upper Bound ÷ Lower Bound.