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Which subject	Mathematics
What topic	Probability
What length (min)	30
What age group	Year or Grade 9
Class size	20
What curriculum
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Number of slides	5
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Lesson plan

Lesson Plan: Probability in Mathematics

Topic

Probability

Objectives

• Understand the basic concepts of probability, including events, sample space, and outcomes.
• Calculate the probability of simple events.
• Apply probability to real-life situations.

Materials

• Whiteboard and markers
• Probability worksheets
• Dice
• Coins
• Probability simulation software (if available)

Grade/Age Group

Year 9

Subject

Mathematics

Class Size

20 students

Duration

30 minutes

National Curriculum Alignment

This lesson meets the UK national curriculum standards for Mathematics in terms of understanding and applying probability.

Lesson Structure

Step Number	Step Title	Length	Details
1	Introduction to Probability	5 minutes	Introduce the topic of probability and its relevance in daily life. Use simple examples (e.g., flipping a coin, rolling a die).
2	Defining Key Concepts	5 minutes	Explain essential vocabulary: event, sample space, outcomes. Provide examples to illustrate these concepts.
3	Probability Calculation	10 minutes	Present the formula for calculating probability (P = Number of Favorable Outcomes / Total Number of Outcomes). Work through examples as a class.
4	Hands-On Activity	5 minutes	In pairs, students will roll dice and flip coins to determine the experimental probability of outcomes (e.g., heads vs. tails, even vs. odd).
5	Group Discussion	5 minutes	Discuss results from the activity and how they compare to theoretical probabilities. Encourage students to share their observations.
6	Homework Assignment	5 minutes	Assign a worksheet containing problems on calculating probability and real-life applications. Review homework expectations and inform students it will be checked, but not presented in class.

Homework

• Complete the probability worksheet with a variety of problems for practice.
• Reflect on at least one real-life situation where probability could be applicable, to be written as a short paragraph.

Assessment

• Informal assessment through observation during class activities and discussions.
• Review completed homework for understanding of concepts and calculations.

Considerations

• Be aware of the varying levels of understanding among students and be prepared to offer additional support to those who may struggle with the material.
• Encourage collaboration and discussion to reinforce learning.

Lesson script