Year 8 Probability Worksheet — Level 3 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 8 probability worksheet.
Year 8 Probability Worksheet — Level 3 — Practice Set 2 — Answers
Write each probability as a fraction in simplest form.
1.A fair six-sided die is rolled. What is the probability of rolling a number greater than 1?
Answer:
- Favourable outcomes: 5 out of 6
2.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
3.A fair six-sided die is rolled. What is the probability of rolling a multiple of 3?
Answer:
- Favourable outcomes: 2 out of 6
4.A bag has 1 red, 3 blue and 3 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 7
- P(blue) = 3/7 =
5.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
6.A fair six-sided die is rolled. What is the probability of rolling an even number?
Answer:
- Favourable outcomes: 3 out of 6
7.The probability that it rains tomorrow is . What is the probability that it does not rain?
Answer:
- P(not rain) = 1 − =
8.A bag has 5 red, 3 blue and 5 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 13
- P(blue) = 3/13 =
9.A bag has 2 red, 5 blue and 6 green marbles. One is chosen at random. What is the probability it is red?
Answer:
- Total marbles: 13
- P(red) = 2/13 =
10.A bag has 6 red, 6 blue and 6 green marbles. One is chosen at random. What is the probability it is blue?
Answer:
- Total marbles: 18
- P(blue) = 6/18 =
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.