Percentages Without A Calculator

A Maths Starter of The Day

  120 600 1680 45360
10%        
50%        
25%        
331/3%        
75%        
90%        

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    Answers
     

     

    		 120 600 1680 45360
    10% 12 60 168 4536
    50% 60 300 840 22680
    25% 30 150 420 11340
    331/3% 40 200 560 15120
    75% 90 450 1260 34020
    90% 108 540 1512 40824

    Note to teacher: Doing this activity once with a class helps students develop strategies. It is only when they do this activity a second time that they will have the opportunity to practise those strategies. That is when the learning is consolidated. Click the button above to regenerate another version of this starter from random numbers.

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