Year 8 Probability Worksheet — Level 3 — Answers
Answer sheet with worked solutions for the Year 8 probability worksheet.
Year 8 · Mathematics · Probability
Year 8 Probability Worksheet — Level 3 — Answers
Success Tutoring
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 2 red, 4 blue and 2 green marbles. One is chosen at random. What is the probability it is green?
Answer:
- Total marbles: 8
- P(green) = 2/8 =
4.A fair six-sided die is rolled. What is the probability of rolling a multiple of 3?
Answer:
- Favourable outcomes: 2 out of 6
5.A bag has 2 red, 3 blue and 4 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 9
- P(red) = 2/9 =
6.A fair six-sided die is rolled. What is the probability of rolling a prime number?
Answer:
- Favourable outcomes: 3 out of 6
7.A bag has 6 red, 3 blue and 2 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 11
- P(red) = 6/11 =
8.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
9.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
10.A bag has 2 red, 2 blue and 5 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 9
- P(red) = 2/9 =
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.