Myths about teaching can hold you back
- Year 6
Use knowledge of calculating 50%, 10% and 1% of a number to solve problems in a range of contexts
I can calculate 50%, 10% and 1% of a number and use this to solve problems.
- Year 6
Use knowledge of calculating 50%, 10% and 1% of a number to solve problems in a range of contexts
I can calculate 50%, 10% and 1% of a number and use this to solve problems.
Lesson details
Key learning points
- To find 50% of a number, halve it.
- To find 10% of a number, divide it by 10
- To find 1% of a number, divide it by 100
Keywords
Percentage - A percentage is a proportion of a whole.
Common misconception
Pupils may struggle when finding 10% or 1% of numbers that include zero.
Draw attention to zero being a placeholder within specific numbers. Some pupils may still need to use resources such as number cards and place value charts to physically move the digits to develop their confidence in dividing by 10 and 100
To help you plan your year 6 maths lesson on: Use knowledge of calculating 50%, 10% and 1% of a number to solve problems in a range of contexts, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 6 maths lesson on: Use knowledge of calculating 50%, 10% and 1% of a number to solve problems in a range of contexts, 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 Understanding percentages 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.Percent means the number of parts in each .
Q2.Look at the image. What is the missing numerator?

Q3.$$ {5} \over {20} $$ of the beads in the bracelet are purple. What percentage of the beads is this?

Q4.Match the percentages and fractions.
80% -
$$ {4} \over {5} $$
70% -
$$ {7} \over {10} $$
25% -
$$ {1} \over {4} $$
Q5.Match the decimals and percentages.
0.19 -
19%
0.09 -
9%
0.9 -
90%
0.3 -
30%
Q6.Look at the sets of fractions, decimals and percentages. Which set is correct?
Assessment exit quiz
6 Questions
Q1.How do we calculate the percentages shown here?
50% of a number -
Halve the number
10% of a number -
Divide the number by 10
1% of a number -
Divide the number by 100
Q2.One of the stages of the Tour de France race is 170 km long. Match the percentage of the race to the number of km.
100% of 170 km -
170 km
50% of 170 km -
85 km
10% of 170 km -
17 km
1% of 170 km -
1.7 km
Q3.A different stage of the Tour de France is 208 km long. If a rider has completed 1% of the race, how far have they ridden?
Q4.If 100% of a number is 1,500, what is 1% of the number?
Q5.If 10% of a number is 23.5, what is 100% of the number?
Q6.50% of a number is 56 Use this fact to find the other percentages.

100% -
112
10% -
11.2
1% -
1.12