In this article we will certainly be explaining what a unit portion is, what castle mean, and providing you through some questions you have the right to use come test your KS2 child’s an abilities when it involves unit fractions.

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What is a unit fraction?

A unit fraction is any fraction with 1 as its numerator (top number), and also a totality number for the denominator (bottom number).

Examples of unit fractions include:


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When will my boy learn about unit fractions?

Although the terminology of ‘unit fraction’ is no yet introduced, Year 1 pupils should:

recognise, find and also name a half as one of two equal components of one object, form or quantity;recognise, find and name a quarter as one of four equal components of one object, shape or quantity.
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In Year 2, pupils use fractions together ‘fractions of’ discrete (whole numbers) and consistent (any numerical worth e.g. 3.6) amounts by solving problems using shapes, objects and also quantities.

They connect unit fountain to:

equal sharing and also grouping;to numbers when they can be calculated;and come measures, finding fractions of lengths, quantities, sets of objects or shapes.

They additionally meet 3/4 as the very first example of a non-unit fraction.

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One the the unit portion lessons for Year 2 on Third an are Learning’s digital intervention.

Year 3 pupils should:

recognise, find and also write fractions of a discrete collection of objects: unit fractions and also non-unit fountain with small denominators;recognise and use fractions as numbers: unit fractions and non-unit fractions with tiny denominators;compare and order unit fractions, and also fractions with the same denominators;begin to know unit and non-unit fractions as numbers top top the number line, and also deduce relations between them, such as size and also equivalence;understand the relation between unit fractions as operators (fractions of), and division by integers;continue come recognise fountain in the paper definition of components of a whole, numbers, measurements, a shape, and unit fractions together a department of a quantity.
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Unit fractions room then not stated in the curriculum until Year 6, whereby pupils use their knowledge of the relationship in between unit fractions and department to work backwards by multiply a amount that to represent a unit portion to discover the entirety quantity (for example, if 1/4 of a length is 36cm, climate the whole length is 36 × 4 = 144cm).

Wondering about how to describe other crucial maths vocabulary to her children? inspect out our major Maths Dictionary, or try these various other terms pertained to unit fractions:

Unit portion practice questions for major school children

1) write these number in order, beginning with the smallest: 1/2, 1/4, 1/8, 1/5

2) one the biggest unit fraction: 1/6, 1/4, 1/3, 1/5

3) the shade in 1/5 the this shape (you can recreate this ~ above a item of paper):


4) calculate 1/7 of 21.

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Ellie Williams
Third space Learning
Content Team
With a love because that all points KS2 maths, Ellie is a part of the contents team the helps every one of the Third an are Learning blogs and resources with teachers!