Maths Year 8 Percentages Level 6-7

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 1 Recap calculating percentages without a calculator
           
2
Recap simple increase or decrease by a percentage without a calculator






3
Discuss the most efficient way of calculating percentages of quantities with a calculator i.e. 35% of 125 = 0.35 x 125
           
4
Extend to the most efficient way of increasing a quantity by a percentage with a calculator (using multiplicative methods)





 5 Discuss the most efficient way of decreasing a quantity by a percentage with a calculator (using multiplicative methods)
           
6
Express one number as a % of another number by converting a fraction to a fraction out of 100 (non-calculator)






7
Express one number as a % of another number by converting a fraction to a % using a calculator





8
Find percentage change with and without a calculator






9
Revise percentage work