Myths about teaching can hold you back
- Year 5
Find a non-unit fraction of a quantity using mental and written calculation strategies
I can use mental and written calculation strategies to find a non-unit fraction of a quantity.
- Year 5
Find a non-unit fraction of a quantity using mental and written calculation strategies
I can use mental and written calculation strategies to find a non-unit fraction of a quantity.
Lesson details
Key learning points
- The whole has been divided into __ equal parts and there are __ in each part.
- Use representations of sets of objects to divide them into equal parts.
- Count how many objects are in the number of parts needed.
Keywords
Denominator - The denominator is the bottom number of a fraction. It tells you how many equal parts the whole has been divided into.
Numerator - The numerator is the top number of a fraction. It tells you how many parts we have, or are needed.
Common misconception
Pupils procedurally divide by the denominator and multiply by the numerator without an understanding for why they do this.
Take time to ensure pupils link how the fraction relates to the bar model. Using the sentence stem 'The whole has been divided into ___ equal parts, and we need ___ of them,' can help to make sense of the fraction in relation to the bar model.
To help you plan your year 5 maths lesson on: Find a non-unit fraction of a quantity using mental and written calculation strategies, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 5 maths lesson on: Find a non-unit fraction of a quantity using mental and written calculation strategies, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
We use learning cycles to break down learning into key concepts or ideas linked to the learning outcome. Each learning cycle features explanations with checks for understanding and practice tasks with feedback. All of this is found in our slide decks, ready for you to download and edit. The practice tasks are also available as printable worksheets and some lessons have additional materials with extra material you might need for teaching the lesson.
The assessment exit quiz will test your pupils' understanding of the key learning points.
Our video is a tool for planning, showing how other teachers might teach the lesson, offering helpful tips, modelled explanations and inspiration for your own delivery in the classroom. Plus, you can set it as homework or revision for pupils and keep their learning on track by sharing an online pupil version of this lesson.
Explore more key stage 2 maths lessons from the Find unit and non-unit fractions of whole numbers exploring parts and wholes unit, dive into the full primary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
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Prior knowledge starter quiz
6 Questions
Q1.The whole has been divided into how many equal parts?

Q2.Tick the bar model that represents this equation 35 × $$ \frac{1}{7} $$ = 5



Q3.Calculate: 150 ÷ 5 =

Q4.Solve the equation: 650 × $$ \frac{1}{5} $$ =
Q5.Tick the equations that represent this problem.
There are 32 children in the class. One-eighth of the children had packed lunch for their lunch.
Q6.There are 220 grams of chopped tomatoes in a tin.
A recipe requires one quarter of a tin of chopped tomatoes. How many grams of chopped tomatoes is this? g
Assessment exit quiz
6 Questions
Q1.Tick the equations that represent this image.
