Puzzle
NumberPuzzle
Code breaker:Percentage increase and decrease
Thirteen increases and decreases, from 10% up to 2.5% and 150%. The Code Box includes the answers you get by going the wrong way, so increasing instead of decreasing unlocks the wrong letter. Two per A4.
A free key stage 3 and GCSE number puzzle with answers, spec code R9. It goes with the lesson on percentage increase and decrease.
Lesson
Percentage increase and decrease
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