Third Grade Math Apps - Data and probability

Grade 3: Predict Outcomes

1. What color should you replace the white section with, to make the spinner fair?
2. Bob has picked some marbles from a bag. How many different outcomes did he record?
3. Ali has picked some marbles from a bag. Are all the outcomes equally likely?
4. Andy has picked some marbles from a bag. Predict the color of the next marble he picks.
5. Frank has picked some marbles from a bag. How likely is it that the next marble he picks is yellow?
6. Aaron has picked some marbles from a bag. Which marble is he more likely to pick next
7. Is it reasonable to say that there are more black marbles than red marbles in the bag?
8. If the bag has 18 marbles, what is a reasonable estimate for the number of red marbles?
9. Chris has picked some marbles from a bag. What is a reasonable estimate for the marbles in the bag?