Name:______________________________________
Grade 5

Probability

Write the probability.

1.   If one letter is chosen at random from the word princess, what is the probability that the letter chosen is the letter "s"?
 
____ out of   8  
2.   A number cube has 10 sides. The sides are numbered 1 to 10. If the cube is thrown once, what is the probability of rolling the number 6?
 
____ out of   10  
3.   A bag contains 7 yellow marbles, 11 blue marbles, 16 purple marbles, 4 red marbles, and 2 green marbles. What is the probability of pulling out a yellow or a green marble?
 
 9    out of ____
4.   A number cube has 8 sides. The sides have the numbers 5, 8, 2, 4, 8, 7, 3, and 8. If the cube is thrown once, what is the probability of rolling an even number?
 
   5   out of ____
5.   If one letter is chosen at random from the word elephant what is the probability that the letter chosen is the letter "e"?
 
  2   out of ____
6.   A bag contains 11 red marbles, 4 yellow marbles, 9 blue marbles, 14 green marbles, and 7 purple marbles. What is the probability of pulling out a blue marble?

 ____ out of   45  

7.   A number cube has 7 sides. The sides have the numbers 5, 4, 2, 9, 5, 5, and 5. If the cube is thrown once, what is the probability of rolling the number 9 or the number 5?
 
____ out of  7   
8.   If one letter is chosen at random from the word elementary what is the probability that the letter chosen is the letter "e"?
 
____ out of   10  
9.   A bag contains 3 red marbles, 15 yellow marbles, 4 blue marbles, 2 green marbles, and 10 purple marbles. What is the probability of pulling out a blue marble?
 
____ out of   34  
10.   If one letter is chosen at random from the words triangular prism, what is the probability that the letter chosen is the letter "i"?
 
  2  out of ____
11.   A number cube has 10 sides. The sides have the numbers 2, 4, 6, 8, 6, 6, 7, 2, 3, and 8. If the cube is thrown once, what is the probability of rolling the number 6 or the number 2?
 
  5   out of ____
12.   If one letter is chosen at random from the word stamp what is the probability that the letter chosen is the letter "p"?
 
____ out of   5  
13.   A number cube has 6 sides. The sides have the numbers 6, 5, 6, 7, 6, and 1. If the cube is thrown once, what is the probability of rolling the number 7 or the number 6?
 
____ out of   6  
14.   A number cube has 6 sides. The sides are numbered 1 to 6. If the cube is thrown twice, what is the probability of rolling the number 2?
 
____ out of   12