This activity creates an opportunity to explore all kinds of number-related patterns.
Can you use the clues to complete these 5 by 5 Mathematical Sudokus?
Can you use the clues to complete these 6 by 6 Mathematical Sudokus?
Andrew decorated 20 biscuits to take to a party. He lined them up and put icing on every second biscuit and different decorations on other biscuits. How many biscuits weren't decorated?
In this problem it is not the squares that jump, you do the jumping! The idea is to go round the track in as few jumps as possible.
In this game the winner is the first to make the total 37. Is this a fair game?
How many winning lines can you make in a three-dimensional version of noughts and crosses?
Ten cards are put into five envelopes so that there are two cards in each envelope. The sum of the numbers inside it is written on each envelope. What numbers could be inside the envelopes?
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.
