How was is created?
• Finish the chain? When does it stop?
• Investigate with other numbers as the starting point. What do you notice?
1. If the number is even, divide by 2
2. If a number is odd, multiply by 3 and add 1
• With large numbers use a calculator.
• What happens if you change the rules:
e.g. Change rule 2 to read : If a number is odd multiply it by 3 and subtract 1
• Make a report about your investigations and share it with your friends.