Lesson deck
NumberHigher
Bounds in calculations
A number line for each measurement with its lower and upper bound, then choosing which bounds give the greatest or least answer. Area and totals first, then subtracting and dividing, where the bounds come from opposite ends.
A free GCSE Higher number lesson on bounds in calculations, spec code N16. It has a lesson deck to teach from with a visualiser, a worksheet with answers, a puzzle, an exit ticket, an end of unit test and a method video.
Higher
Bounds in calculations
Exit ticket
Bounds in calculations
Puzzle
Code breaker:Bounds
Test
Decimals and estimation test:Higher
Method video
Bounds in calculations
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