Puzzle
NumberPuzzle
Four Fours:Error intervals
Four rounded numbers, each with two ways of saying how it was rounded, its lower bound and its upper bound. 4, 4.0 and 4.00 look the same and have very different bounds. Two per A4.
A free key stage 3 and GCSE number puzzle with answers, spec code N15. It goes with the lesson on error intervals.
Lesson
Error intervals
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