# Probability topics for Secondary

Below are the Secondary topics available for the category "Probability" at Free Math Games.

These free math topics offer a complete set of basic Probability topics for Secondary pupils (Grade 7 to Grade 9, ages 11 to 14). The Probability category is divided into sub-categories such as "Expressing probability", "Venn and tree diagrams", etc. Each sub-category has multiple sub-sub-categories, and within them are the topics with between 6 and 10 question and answer pairs for the lessons, plus additional question answer pairs for the games and tests.

For each question/answer pair in a topic you get the question as picture, equation or text, the spoken question read by a robot, and an answer as both number or text and as audio. For most topics there are also 3 wrong answers prepared for each question.

### Probability ➔ Expressing probability

#### Probability ➔ Expressing probability ➔ Describing outcomes

How likely is the event?
Decide whether each of the given events is likely, unlikely, certain or impossible

#### Probability ➔ Expressing probability ➔ Express as a fraction

Standard events
For each scenario work out the probability of the outcome as a fraction

### Probability ➔ Expressing probability

#### Probability ➔ Expressing probability ➔ Express as a fraction

Standard events
For each scenario work out the probability of the outcome as a fraction
Non-events
Work out the probability of an event NOT occurring expressing each answer as a simplified fraction

### Probability ➔ Venn and tree diagrams

#### Probability ➔ Venn and tree diagrams ➔ Venn diagrams

Venn diagrams: 3 categories
Find the missing value for each of the given 3 category Venn diagrams
Venn diagrams: 2 categories
Find the missing value for each of the given Venn diagrams

### Probability ➔ Expressing probability

#### Probability ➔ Expressing probability ➔ Express as a fraction

Independent events
Find the probability of different outcomes using the AND & OR rules
Sample space diagrams
Answer probability questions based on the given sample space diagrams

### Probability ➔ Venn and tree diagrams

#### Probability ➔ Venn and tree diagrams ➔ Venn diagrams

Venn diagrams: 3 categories
Find the missing value for each of the given 3 category Venn diagrams

#### Probability ➔ Venn and tree diagrams ➔ Tree diagrams

Tree diagrams: replacement
Find the probabilities using tree diagrams with both replacement and no replacement of items

#### Probability ➔ Venn and tree diagrams ➔ Venn diagrams

Venn diagrams: 2 categories
Find the missing value for each of the given Venn diagrams

In addition to the Probability topics shown above, the secondary section of Free Math Games has 4 other top level categories of topics to choose from. Each top level category offers a full breadth of topics to cover the secondary curriculum. Use these topics to reinforce key math concepts in a fun and engaging way that will keep your pupils enthused and energised with the math they are learning. The top level categories available are:

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