Checking a claim
I can analyse a claim using estimation to assess validity.
Checking a claim
I can analyse a claim using estimation to assess validity.
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Lesson details
Key learning points
- Estimation can be used in place of non-specified values.
- Claims should be checked to see whether they make sense.
Keywords
Probability - The probability that an event will occur is the proportion of times the event is expected to happen in a suitably large experiment.
Estimate - To estimate is to find a value that is close enough to the right answer, usually with some thought or calculation involved.
Common misconception
Taking 20% off an amount after a percentage change will result in the original amount before 20% was added.
These are percentages of different amounts so, given that we are calculating 20% in both cases, this will not work.
To help you plan your year 9 maths lesson on: Checking a claim, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 9 maths lesson on: Checking a claim, 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.
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Explore more key stage 3 maths lessons from the Thinking critically with maths unit, dive into the full secondary maths curriculum, or learn more about lesson planning.
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Starter quiz
6 Questions
Exit quiz
6 Questions