🎲 Part 1: Probability Language

1. Match each event to the correct probability word. Draw lines to connect them:

The sun will rise tomorrow

Rolling a 7 on a normal dice

It will rain this week

Flipping heads on a coin

Finding a dinosaur in your backyard

Certain

Impossible

Possible

Even chance

Possible

2. Circle the word that best describes each event:

Getting a number less than 7 when rolling a dice:

Impossible

Unlikely

Certain

Even chance

Picking a red marble from a bag with 3 red and 7 blue marbles:

Impossible

Unlikely

Likely

Certain

📊 Part 2: Probability Scale and Calculations

3. Fill in the missing numbers on the probability scale:

0 _____ _____ 0.5 _____ _____ 1

Hint: Use decimals like 0.25, 0.75

4. Calculate these simple probabilities. Write your answer as a fraction:

a) Rolling an even number on a dice: P(even) = _____

b) Picking a vowel from the letters A, B, C, D, E: P(vowel) = _____

c) Flipping tails on a fair coin: P(tails) = _____

5. A spinner has 8 equal sections: 3 red, 2 blue, 2 green, 1 yellow.

a) What is the probability of spinning red? P(red) = _____

b) Which colour is most likely to be spun? _____________

c) What is the probability of spinning blue OR green? P(blue or green) = _____

🌟 Part 3: Challenge Questions

6. (Higher Level) Sarah has a bag containing 5 red balls, 3 blue balls, and 2 yellow balls. If she picks one ball without looking, what is the probability that it is NOT red? Show your working.

7. (Higher Level) In a class of 30 students, 18 like pizza and 12 like burgers. If one student is chosen randomly, what is the probability they like pizza? Express your answer as:

a) A fraction in simplest form: _____

b) A decimal: _____

c) A percentage: _____%

8. Explain in your own words what it means when an event has a probability of 0.75: