OCR Maths: Initial learning for GCSE - Check In Test 11.01 Basic probability and experiments

A 10 question test on Basic probability and experiments, comprising: 5 questions on procedural calculations; 3 questions on reasoning and communicating mathematically; and 2 problem solving questions. At the end of the test there is an extension activity which will allow more able students to stretch themselves.

The initial learning required for GCSE is based upon the subject content of the KS3 Mathematics programme of study and as such these resources could be used as a year 9 assessment, checking in to the GCSE topics. Likewise, they could be utilised as a recap tool with KS4 learners to introduce Foundation topics.

This resource is ideal for either formative or summative assessment and can be used in lesson time as a topic assessment, starter or plenary activity or for homework or revision.

Topics include:
The probability scale: use the 0-1 probability scale as a measure of likelihood of random events, for example, ‘impossible’ with 0, ‘evens’ with 0.5, ‘certain’ with 1.
Relative frequency: record, describe and analyse the relative frequency of outcomes of repeated experiments using tables and frequency trees.
Relative frequency and probability: use relative frequency as an estimate of probability.
Equally likely outcomes and probability:
Calculate probabilities, expressed as fractions or decimals, in simple experiments with equally likely outcomes, for example flipping coins, rolling dice, etc.
Apply ideas of randomness and fairness in simple experiments.
Calculate probabilities of simple combined events, for example rolling two dice and looking at the totals.
Use probabilities to calculate the number of expected outcomes in repeated experiments.

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