3 out of 3
How is the length of time between the birth of an animal and the birth of its great great ... great grandparent distributed?
1 out of 3
Watch the video to see how to fold a square of paper to create a flower. What fraction of the piece of paper is the small triangle?
1 out of 3
Here is a picnic that Petros and Michael are going to share equally. Can you tell us what each of them will have?
1 out of 3
This challenge involves calculating the number of candles needed on birthday cakes. It is an opportunity to explore numbers and discover new things.
2 out of 3
1 out of 3
Our 2025 Primary Advent calendar contains twenty-four tasks for the run-up to Christmas.
Here are some examples of children's thinking about the NRICH task Incey Wincey.
1 out of 3
Which of the numbers shown is the product of exactly 3 distinct prime factors?
