Myths about teaching can hold you back
- Year 8
Checking understanding of percentages
I can manipulate percentages of an amount without a representation.
- Year 8
Checking understanding of percentages
I can manipulate percentages of an amount without a representation.
Lesson details
Key learning points
- Percent relates to the number of parts per hundred.
- Percentages can be written as a fraction out of 100.
- The equivalence of fractions, decimals and percentages can be used to solve problems.
- Percentages of amounts can be calculated by using known fractions.
Keywords
Equivalent fractions - Two fractions are equivalent if they have the same value.
Common misconception
When finding 10% we divide by 10, so when finding 5% we divide by 5.
Use a bar model to show the division of 10 means one tenth of the amount. When dividing by 5 it means one fifth has been found.
To help you plan your year 8 maths lesson on: Checking understanding of percentages, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 8 maths lesson on: Checking understanding of percentages, 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 3 maths lessons from the Understanding multiplicative relationships: percentages and proportionality unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
Licence
Lesson video
Loading...
Prior knowledge starter quiz
6 Questions
Q1.Two fractions are __________ if they have the same value.
Q2.10% of 600 is .
Q3.10% of 870 is .
Q4.5% of 400 is .
Q5.5% of 940 is .
Q6.Match each percentage calculation to its answer.
10% of 50 -
5
10% of 80 -
8
5% of 50 -
2.5
15% of 50 -
7.5
15% of 60 -
9
5% of 60 -
3
Assessment exit quiz
6 Questions
Q1.Percent comes from the Latin phrase “per centum” meaning “by the __________ .”
Q2.The percentage of this grid that is shaded is %.

Q3.What fraction of this grid is shaded? Select your answer in its simplified form.

Q4.Match each percentage question with the calculation needed to work it out.
Work out 40% of 800 -
800 ÷ 10 × 4
Work out 50% of 800 -
800 ÷ 2
Work out 15% of 800 -
80 + 40
Work out 30% of 800 -
800 ÷ 10 × 3
Work out 25% of 800 -
800 ÷ 4
Work out 99% of 800 -
800 − 8