Probability

What you'll learn

1. 1

   Imagine you have a bag of 3 red marbles and 1 blue marble. 🎒

2. 2

   In a bag of 3 red and 1 blue marbles, which colour are you more likely to pick? 🎒

3. 3

   Spin the spinner — how likely is it to land on yellow? 🎡

4. 4

   Let's find the probability of picking a red marble from 3 red and 1 blue. 🎲

5. 5

   Drag the marbles to show the probability of picking a red one. 🟥

6. 6

   What is the probability of picking a blue marble from 3 red and 1 blue? 🎲

7. 7

   If a bag has 2 red and 2 blue marbles, what is the chance of picking red? 🎒