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Probability Vocabulary Chart

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Probability Vocabulary Chart

Probability Vocabulary Chart

Dice and coin probability illustration

📊 Key Probability Vocabulary

Instructions: Complete this vocabulary chart by filling in the missing definitions and examples. Use this as a reference guide during probability activities.

1. Outcome

Definition: A possible result of a chance event

Example: Rolling a 4 on a die, or getting heads when flipping a coin

Your own example: _________________________________

2. Event

Definition: One or more outcomes grouped together

Example: Rolling an even number (2, 4, or 6) on a die

Your own example: _________________________________

3. Chance

Definition: _______________________________________________

Example: The chance of rain tomorrow, or the chance of winning a game

Your own example: _________________________________

🎯 Likelihood Words

4. Impossible

Definition: An event that cannot happen

Example: Rolling a 7 on a standard die (1-6)

Your own example: _________________________________

5. Unlikely

Definition: _______________________________________________

Example: Rolling a 6 three times in a row

Your own example: _________________________________

6. Possible

Definition: An event that can happen but is not certain

Example: _______________________________________________

Your own example: _________________________________

7. Likely

Definition: _______________________________________________

Example: Getting a number less than 5 when rolling a die (1, 2, 3, or 4)

Your own example: _________________________________

8. Certain

Definition: An event that will definitely happen

Example: _______________________________________________

Your own example: _________________________________

🎲 Practice Activities

9. Match each scenario with the correct likelihood word:
1. Rolling a number 1-6 on a standard die
2. Rolling an 8 on a standard die
3. Flipping heads on a coin
4. Rolling a 1 five times in a row
5. Getting a number greater than 4 on a die
A. Impossible
B. Unlikely
C. Possible
D. Likely
E. Certain
10. Circle the correct likelihood for each event when rolling a standard die:

Rolling a number greater than 2:

Impossible

Unlikely

Possible

Likely

Certain

Rolling a 10:

Impossible

Unlikely

Possible

Likely

Certain

✏️ Create Your Own Examples

11. Think of your own probability scenarios. Write one example for each likelihood level:

Impossible: ________________________________________________

Unlikely: ________________________________________________

Possible: ________________________________________________

Likely: ________________________________________________

Certain: ________________________________________________

12. Write an investigative question about probability that you would like to explore:

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