Year 8 Probability Worksheet — Level 2 — Answers
Answer sheet with worked solutions for the Year 8 probability worksheet.
Year 8 Probability Worksheet — Level 2 — Answers
Write each probability as a fraction in simplest form.
1.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
2.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
3.A bag has 5 red, 2 blue and 6 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 13
- P(red) = 5/13 =
4.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
5.A fair six-sided die is rolled. What is the probability of rolling a prime number?
Answer:
- Favourable outcomes: 3 out of 6
6.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
7.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
8.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
9.A bag has 6 red, 1 blue and 5 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 12
- P(blue) = 1/12 =
10.A bag has 6 red, 3 blue and 1 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 10
- P(blue) = 3/10 =
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.
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