You may also like
Plants
Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
Gran, How Old Are You?
When Charlie asked his grandmother how old she is, he didn't get a straightforward reply! Can you work out how old she is?
Follow the Numbers
What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.
Age 7 to 11
Challenge Level
Why do this problem?
It acts as a further extension to Great Squares. It's an activity that is intended to give opportunities for those pupils to explore deeply using their intuition, flair and risk-taking skills.
Possible approach
As this is designed for the highest attaining, it might be presented as on the website or in a one-to-one situation, encouraging discussion between adult and pupil. It may well be that choosing just one of the five pictures and staying with that for a considerable investigational time is the best way to use the activity.
Key questions
Tell me about this/your thinking.
Copyright © 1997 - 2023. University of Cambridge.
All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.