Lesson Worksheet: Probability Mathematics
In this worksheet, we will practice describing probability using words like “certain,” “likely,” “unlikely,” and “impossible.”
Q1:
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
Q2:
If the spinner is spun once, determine whether it is certain, likely, unlikely, or impossible that the pointer stops on a number that is a multiple of 3.
- Aimpossible
- Blikely
- Cunlikely
- Dcertain
Q3:
What is the probability of rolling a number which is greater than 6 on a fair die?
Q4:
There are 15 letter tiles in a bag: six tiles are labeled S, eight tiles are labeled R, and one is labeled M. Which of the following describes how likely it is to choose the letter M?
- AUnlikely
- BCertain
- CLikely
- DImpossible
Q5:
A bag contains 35 marbles, 34 of which are blue. If a marble is picked out at random, what is the likelihood of it being blue?
- Aunlikely
- Bimpossible
- Clikely
- Dcertain
Q6:
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
Q7:
If this spinner is spun, which of the following describes the probability that the pointer lands on blue?
- AImpossible
- BIt is equally likely for it to happen or not happen.
- CLikely
- DCertain
- EUnlikely
Q8:
If this spinner is spun once, it is certain, likely, unlikely, or impossible that it stops on an even number?
- Aimpossible
- Blikely
- Cunlikely
- Dcertain
Q9:
Which outcome is least likely when spinning the arrow on this spinner?
- A
- B
- C
- D
Q10:
Which outcome is most likely when spinning the arrow on this spinner?
- AQ
- BR
- CP
- DS
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