Probability Of Mutually Exclusive Events — Interactive Lesson (KS4)

☆☆☆☆☆ Add your review • Year 10 Maths • 🎓 Interactive Lesson & Activities

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By the end of this unit, students will be able to:

understand that two events are mutually exclusive if only one can happen in any given experiment;
understand that the probabilities of an exhaustive set of mutually exclusive events add up to 1;
and use the addition law in calculating the probability of mutually exclusive events.

Curriculum Alignment: Key Stage 4: Probability

Calculate the probability of independent and dependent combined events, including using tree diagrams and other representations, and know the underlying assumptions

Designed for ages 14–16 (UK Year 10–11). Aligned to the UK National Curriculum; adaptable to US state standards.

Year Group	Year 10 Maths
Resource Type	🎓 Interactive Lesson & Activities
Format	Digital Only
Curriculum	England & Wales — KS4 (Years 10–11)
Added	4 March 2026