Recognise and name the fraction ‘one-third’
I can name the fraction ‘one-third’ in relation to a fraction of an object, shape or set of objects and explain how I know that it is a third.
Recognise and name the fraction ‘one-third’
I can name the fraction ‘one-third’ in relation to a fraction of an object, shape or set of objects and explain how I know that it is a third.
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Lesson details
Key learning points
- When the whole has been divided into three equal parts, each part is one-third of the whole.
- You can find thirds of objects, shapes and sets of objects.
Keywords
Third or one-third - One of three equal parts of a whole. To divide into three equal parts.
Common misconception
Children can find it difficult to see if the three parts are equal, particularly when they are presented in different orientations rather than horizontal and vertical lines.
Allow children to handle practical objects and cut-outs of shapes that have been divided into thirds so they can rotate them and see them in different orientations.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.Match the start and end end of the sentences correctly.
is one of four equal parts in the whole.
is one of two equal parts in the whole.
Q2.True or False? One-quarter of the birds are in each nest. The whole group of birds has been divided into 4 equal parts.
Q3.Which image shows that the cheese has been divided into quarters?
Q4.Which image shows that the triangle has been divided into quarters?
Q5.Which shape has not been divided into quarters?
Q6.Which shape has been sorted into the wrong group?
Assessment exit quiz
6 Questions
Q1.When the whole has been divided into 3 equal parts, each part is __________.
Q2.Which of the images have not been split into thirds?
Q3.True or false.
This shape has been split into thirds.
Q4.Which shapes have been divided into thirds?
Q5.__________of the cakes have cherries.
Q6.This part is one-third. What could the whole look like?
