Can you use the information to find out which cards I have used?
Can you make sense of the three methods to work out what fraction of the total area is shaded?
Can you work out the irrational numbers that belong in the circles to make the multiplication arithmagon correct?
Liam's house has a staircase with 12 steps. He can go down the steps one at a time or two at time. In how many different ways can Liam go down the 12 steps?
Try entering different sets of numbers in the number pyramids. How does the total at the top change?
Vicki Pike was one of four NRICH Teacher Fellows who worked on embedding NRICH materials into their teaching. In this article, she writes about her experiences of working with students at Key Stage two.
When Charlie asked his grandmother how old she is, he didn't get a straightforward reply! Can you work out how old she is?
