M3: Number
Module 3 (M3) - Number - Bounds
Limits of accuracy or bounds are used to describe all the possible values that a rounded number could be.
Module 3 (M3) - Number - Fractions
A fraction is part of a whole and is shown by writing one whole number, the numerator above another, the denominator.
Module 3 (M3) - Number - Multiples and factors
Numbers that divide exactly into another number, leaving no remainder are called factors. A prime number has exactly two factors, itself and 1.
Module 3 (M3) - Number - Reverse percentages
Reverse percentages involve working backwards through a calculation to find the original amount before a percentage change.
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