PPT: Percentages | Mathematics for Class 5 PDF Download

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P e r c e n t a g e s P e r c e n t a g e s
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P e r c e n t a g e s P e r c e n t a g e s
To find the average of any given quantities, we add the quantities
together and divide the sum by the number of quantities.
A V E R A G E A V E R A G E
Average  =  Sum of all given quantities
              Number of quantities
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P e r c e n t a g e s P e r c e n t a g e s
To find the average of any given quantities, we add the quantities
together and divide the sum by the number of quantities.
A V E R A G E A V E R A G E
Average  =  Sum of all given quantities
              Number of quantities
Find the average of the numbers 2, 3, 5, 6.
Solution : Sum of the given numbers = 2 + 3 + 5 + 6 = 16
Number of these numbers = 4
Average of the given numbers = 16/4 = 4
Hence, the average of the given numbers is 4.
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P e r c e n t a g e s P e r c e n t a g e s
To find the average of any given quantities, we add the quantities
together and divide the sum by the number of quantities.
A V E R A G E A V E R A G E
Average  =  Sum of all given quantities
              Number of quantities
Find the average of the numbers 2, 3, 5, 6.
Solution : Sum of the given numbers = 2 + 3 + 5 + 6 = 16
Number of these numbers = 4
Average of the given numbers = 16/4 = 4
Hence, the average of the given numbers is 4.
P e r c e n t a g e s P e r c e n t a g e s
Percentages are a way of expressing
a part of a whole as a fraction of 100.
They are useful for comparing
quantities
Out of 100
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P e r c e n t a g e s P e r c e n t a g e s
To find the average of any given quantities, we add the quantities
together and divide the sum by the number of quantities.
A V E R A G E A V E R A G E
Average  =  Sum of all given quantities
              Number of quantities
Find the average of the numbers 2, 3, 5, 6.
Solution : Sum of the given numbers = 2 + 3 + 5 + 6 = 16
Number of these numbers = 4
Average of the given numbers = 16/4 = 4
Hence, the average of the given numbers is 4.
P e r c e n t a g e s P e r c e n t a g e s
Percentages are a way of expressing
a part of a whole as a fraction of 100.
They are useful for comparing
quantities
Out of 100
Fractions to Percentages Fractions to Percentages
In order to convert a fraction into a percentage, you need to find
 the equivalent where the denominator is 100.
The numerator is the percentage.
4
8
8 0
5
10
100
=
=
80%