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Averages (mean, median, mode and range) _____________________________ 89
Definitions________________________________________________________ 89
Calculating mean __________________________________________________ 89
Calculating median _________________________________________________ 89
Calculating mode __________________________________________________ 90
Calculating range __________________________________________________ 90
Worksheet _______________________________________________________ 91

Percentages _______________________________________________________ 95
Definition ________________________________________________________ 95
Changing a fraction to a percentage____________________________________ 95
Changing a percentage to a fraction____________________________________ 95
Changing a percentage to a decimal ___________________________________ 95
Changing a decimal to a percentage ___________________________________ 96
Values of a percentage of a quantity ___________________________________ 96
Expressing one quantity as a percentage of another _______________________ 96
Worksheet _______________________________________________________ 99

Areas and volumes ________________________________________________ 103
2-dimensional (polygons) ___________________________________________ 103
3-dimensional (solids)______________________________________________ 109
Worksheet ______________________________________________________ 113

Squares and cubes ________________________________________________ 117
General_________________________________________________________ 117
Exponent (or ‘indices’) form _________________________________________ 119
Worksheet ______________________________________________________ 121

Square and cube roots _____________________________________________ 125
Square root______________________________________________________ 125
Cube root _______________________________________________________ 126
Worksheet ______________________________________________________ 127

Issue 2 – September 2016 1-6 Total Training Support Ltd
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