###
Percentages

The numerator value when the denominator is 100

###
Percent

means "out of 100"

###
of

means "times" or "multiply"

###
Convert percentages to fractions

put the percent over a 100 and remove the % sign.

Simplify if necessary

###
Convert fractions to percentages

Multiply the percentage by 100 and put a % sign on the end

###
Convert percentages to decimals

Divide by 100 and remove the % sign

###
Convert decimals to percentages

Multiply by 100 and put a % sign on the end

###
Convert fractions to decimals

divide the numerator by the denominator

###
Convert decimals to fractions

Use place value!

###
Finding a percentage of

Remember that % means "out of 100"

So 15% of 34kg = 15/100 x 34 kg

###
Increasing by a percentage

Find the percentage of the quantity.

Add it on.

###
Decreasing by a percentage

Find the percentage of the quantity.

Take it off.

###
Expressing quantities as a percentage

If 3 out of 4 teachers are female, then convert three quarters into a percentage

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