Mastering Probability Scale
Mathematics
Grade 8
12 questions
~24 mins
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About This Worksheet
A worksheet covering Probability Scale for Grade 8 students.
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Mastering Probability Scale
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
What probability corresponds to an event that is impossible?
[1 mark]2.
What probability corresponds to an event that is certain?
[1 mark]3.
Place the following probabilities on the scale: 0.75, 0, and 1.
[2 marks]4.
If the probability of rain tomorrow is 0.2, where would this be on the probability scale?
[1 mark]5.
Identify which of these events are more likely: rolling a 4 on a fair six-sided die, or flipping a coin and it landing on heads?
[2 marks]6.
A bag contains 3 red, 2 blue, and 5 green marbles. What is the probability of drawing a blue marble? Show your working.
[3 marks]7.
A spinner is divided into 8 equal sectors, 3 of which are green. What is the probability of landing on green?
[2 marks]8.
A coin is flipped three times. What is the probability of getting exactly two heads?
[3 marks]9.
A card is drawn from a standard deck. What is the probability of drawing a king?
[1 mark]10.
If an event has a probability of 0.6, is it more likely to occur than not?
[1 mark]11.
A survey shows that 70% of students like pizza. On the probability scale, where does this event fall? Show your reasoning.
[4 marks]12.
Challenge: In a game, the probability of winning is 0.45. If you play 10 rounds, what is the expected number of wins? Show your calculations.
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet