Create a pattern on the left-hand grid. How could you extend your pattern on the right-hand grid?
There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
The computer has made a rectangle and will tell you the number of spots it uses in total. Can you find out where the rectangle is?
Three children are going to buy some plants for their birthdays. They will plant them within circular paths. How could they do this?
Choose 13 spots on the grid. Can you work out the scoring system? What is the maximum possible score?
Can you use the information to find out which cards I have used?
Greg made excellent progress on this problem by working systematically.
Go to last month's problems to see more solutions.
In this article, the NRICH team describe the process of selecting solutions for publication on the site.
An article describing what LTHC tasks are, and why we think they're a good idea.
In this article Liz Woodham reflects on just how much we really listen to learners’ own questions to determine the mathematical path of lessons.