Percentages, fractions and decimals are essential for high school maths students - yet a lot of students need extra help on these.
It is first of all important to realise that percentage, fractions and decimals are essentially describing the same thing - that is - they are describing a part of an amount.
Percentages describe part of an amount out of 100 - an easy way to think of this is if you think of cents in the dollar - e.g. 25% is like having 25 cents out of a dollar.
Fractions describe parts by telling us how many parts an object is out of another - for example - you have a pizza - cut it into 8 parts and eat 3 bits - thats 3/8 parts are eaten.
What is very important to understand with fractions is that they are written so that the top number is dividing the bottom number. 1/4 means 1 divided by 4, which equals 0.25 (decimal) or 25% percentage.
Decimals decribe a part of a number out of 1. For example 0.5 is 0.5 out of 1 or 1/2 or 50%....
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Find more lesson plans like this:Add, Subtract, Multiply & Divide Decimals
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