# Lesson Worksheet: Probability: Certain, Likely, Unlikely, Impossible Mathematics

In this worksheet, we will practice describing probability using words like “certain,” “likely,” “equally likely,” “even chance,” “unlikely,” and “impossible.”

**Q6: **

If the spinner is spun once, is it certain, likely, unlikely, or impossible that the spinner lands on the number 6?

- Acertain
- Bimpossible
- Clikely
- Dunlikely

**Q11: **

If this spinner is spun once, it is certain, likely, unlikely, or impossible that it stops on an even number?

- Aimpossible
- Blikely
- Cunlikely
- Dcertain

**Q12: **

A spinner is divided into 10 equal sectors numbered 1 through 10. If the spinner is spun, is it certain, likely, unlikely, or impossible that it lands on a number less than 4?

- Alikely
- Bunlikely
- Cimpossible
- Dcertain

**Q13: **

What is the probability of rolling a number which is greater than 6 on a fair die?

**Q16: **

The histogram shows the areas of some countries. How likely is it that any given country will have an area greater than 200 square kilometers?

- AUnlikely
- BLikely
- CVery likely
- DVery unlikely

**Q17: **

Which outcome is most likely when spinning the arrow on this spinner?

- AQ
- BR
- CP
- DS

**Q18: **

When this spinner is spun, which of the following describes the probability that the arrow lands on a sector that is NOT yellow?

- ACertain
- BUnlikely
- Clikely
- DEqually likely that it happens or does not happen
- EImpossible

**Q19: **

Natalie will randomly choose one of the following days of the week to clean her bedroom:

- Monday
- Tuesday
- Wednesday
- Thursday
- Friday
- Saturday
- Sunday

Fill in the blank: Choosing a day that starts with the letter S is equally likely as choosing a day that starts with the letter .

- AF
- BT
- CW
- DM