Exploring Probability and Ratios: Grade 6 Challenges

A bag contains 5 red marbles, 3 blue marbles, and 2 green marbles. What is the probability of randomly selecting a blue marble from the bag?

• 0.2

• 0.3

• 0.1

• 0.5

In a class of 30 students, 18 are girls and 12 are boys. What is the ratio of girls to boys in the class?

• 3:2

• 4:3

• 5:4

• 2:1

A survey shows that 60% of students prefer chocolate ice cream over vanilla. If there are 50 students surveyed, how many prefer chocolate ice cream?

• 40

• 20

• 30

• 25

A store sells 4 types of fruit: apples, bananas, oranges, and grapes. If the ratio of apples to bananas is 3:2 and there are 12 apples, how many bananas are there?

• 6

• 8

• 10

• 12

In a game, the probability of winning is 1 out of 4. If you play the game 20 times, how many times can you expect to win?

• 10

• 3

• 7

• 5

A recipe requires a ratio of 2 cups of flour to 3 cups of sugar. If you want to use 6 cups of sugar, how many cups of flour do you need?

• 5 cups of flour

• 4 cups of flour

• 3 cups of flour

• 2 cups of flour

In a school, 75% of the students passed the math test. If there are 120 students in total, how many students passed the test?

• 90

• 80

• 70

• 100

A fruit basket contains 10 apples, 5 bananas, and 15 oranges. What is the probability of randomly picking an orange from the basket?

• 0.5

• 0.7

• 0.3

• 0.2

The ratio of cats to dogs in a pet shelter is 4:3. If there are 28 cats, how many dogs are there?

• 24

• 21

• 18

• 30

A spinner is divided into 8 equal sections: 3 are red, 2 are blue, and 3 are green. What is the probability of landing on a red section?

• 5/8

• 2/8

• 3/8

• 1/4