Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
This project challenges you to work out the number of cubes hidden under a cloth. What questions would you like to ask?
In these addition and subtraction games, you'll need to think strategically to get closest to the target.
In the 2020 Olympic Games, sport climbing was introduced for the first time, and something very interesting happened with the scoring system. Can you find out what was interesting about it?
Five children are taking part in a climbing competition with three parts, where their score for each part will be multiplied together. Can you see how the leaderboard will change depending on what happens in the final climb of the competition?
Watch this animation. What do you see? Can you explain why this happens?
What do you think is going to happen in this video clip? Are you surprised?
