Percentages Without A Calculator

A Maths Starter of The Day

  360 780 1620 14880
10%        
50%        
25%        
331/3%        
75%        
90%        

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Keywords: Starter | Mental Methods | Percentages

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    Answers

     

     

    360 780 1620 14880
    10% 36 78 162 1488
    50% 180 390 810 7440
    25% 90 195 405 3720
    331/3% 120 260 540 4960
    75% 270 585 1215 11160
    90% 324 702 1458 13392

    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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