OCR Maths: Foundation GCSE - Check In Test 11.02 Combined events and probability diagrams

A 10 question test on Combined events and probability diagrams, 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. 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:
Sample spaces:
Use tables and grids to list the outcomes of single events and simple combinations of events, and to calculate theoretical probabilities.
Use sample spaces for more complex combinations of events.
Enumeration: use systematic listing strategies.
Venn diagrams and sets:
Use a two-circle Venn diagram to enumerate sets, and use this to calculate related probabilities.
Use simple set notation to describe simple sets of numbers or objects.
Construct a Venn diagram to classify outcomes and calculate probabilities.
Use set notation to describe a set of numbers or objects.
Tree diagrams: use tree diagrams to enumerate sets and to record the probabilities of successive events (tree frames may be given and in some cases will be partly completed).
The addition law of probability:
Use the addition law for mutually exclusive events.
Use p(A) + p(not A) = 1
Derive or informally understand and apply the formula

The multiplication law of probability and conditional probability: use tree diagrams and other representations to calculate the probability of independent and dependent combined events.

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