Probability

Answer Key - Grade 4 Math Worksheet - Building Confidence

Read the problem. Write the answer on the line.

1. 1.

   A bag has 4 green, 3 blue and 4 purple marbles. What is the probability of picking a blue marble? 3/11

2. 2.

   A jar has 2 blue, 2 green and 3 yellow counters. What is the probability of picking a blue counter or a yellow counter? 5/7

3. 3.

   A box has 3 green, 2 orange and 4 blue blocks. What is the probability of picking a block that is not blue? 5/9

4. 4.

   A spinner has 12 equal sections: 6 orange, 2 blue and 4 purple. What is the probability of landing on purple? 4/12

5. 5.

   There are 10 cards numbered 1 to 10. What is the probability of picking an even number? 5/10

6. 6.

   A spinner has 8 equal sections numbered 1 to 8. What is the probability of landing on a number greater than 6? 2/8