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Ruswarp Church of England Primary School Think for Yourself and Act for Others

Number - Fractions

A fraction represents an equal part of a whole item.

Here you can see that a fraction (an equal part) of the chocolate and pizza have been removed.  There would be enough chocolate for four equal chunks (count the squares: 4 x 6 = 24) and enough pizza for eight equal slices. 

When we record fractions we use a numerator and a denominator (not to be confused with a "dominator" - they're people who want to take over the world!). 


The numerator and denominator have different jobs...

So, for example, we would say that the pepperoni part of this (rather bizarre) pizza is:


You can revise/build your fraction knowledge with these videos.   

Recognise that tenths arise from dividing an object into 10 equal parts and dividing one-digit numbers or quantities by 10     (Year 3)

Tenths come from splitting a whole item/number/object into ten equal parts (clever, eh?). For example: 

This rectangle has been split (or shared or divided) into ten equal parts. Each of these is a tenth.  You can see that, when they're together, all ten of these parts make up the whole shape. 

You will notice that some of these parts are shaded. The fraction shaded is 4 out of 10 parts. We would write that like this:


What fraction isn't shaded?

Look at these shapes.  Can you work out the fraction that is shaded and the fraction that isn't? 

2D shapes are not the only thing which can be divided into tenths...

Now try these questions...


(The answers are hiding below this picture)