3 out of 3
Stop the Clock game for an adult and child. How can you make sure you always win this game?
1 out of 3
I've made some cubes and some cubes with holes in. This challenge invites you to explore the difference in the number of small cubes I've used. Can you see any patterns?
1 out of 3
What is the largest number of circles we can fit into the frame without them overlapping? How do you know? What will happen if you try the other shapes?
1 out of 3
In this investigation we are going to count the number of 1s, 2s, 3s etc in numbers. Can you predict what will happen?
1 out of 3
Strike it Out game for an adult and child. Can you stop your partner from being able to go?
1 out of 3
How many rectangles can you see? Are they all the same size? Can you predict how many rectangles there will be in counting sticks of different lengths?
To celebrate NRICH's 25th birthday, why not play this special version of our classic game, Got It? Can you devise a strategy so that you will always win?
1 out of 3
Nim-7 game for an adult and child. Who will be the one to take the last counter?
1 out of 3
This task encourages you to investigate the number of edging pieces and panes in different sized windows.
1 out of 3
Here are two kinds of spirals for you to explore. What do you notice?
