Exploring and noticing

problem
Climbing complexity

Age

11 to 14

Challenge level

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?
problem
Climbing conundrum

Age

7 to 14

Challenge level

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?
problem
Tumbling down

Age

7 to 11

Challenge level

Watch this animation. What do you see? Can you explain why this happens?
problem
Pouring problem

Age

7 to 11

Challenge level

What do you think is going to happen in this video clip? Are you surprised?
problem
Angles inside

Age

11 to 14

Challenge level

Draw some angles inside a rectangle. What do you notice? Can you prove it?
problem
Price match

Age

7 to 11

Challenge level

Can you find pairs of differently sized windows that cost the same?
problem
Count me in

Age

7 to 11

Challenge level

How do you know whether you will reach these numbers when you count in steps of six from zero?
problem
Almost one

Age

11 to 14

Challenge level

Choose some fractions and add them together. Can you get close to 1?
problem
Diagonal in a spiral

Age

7 to 11

Challenge level

Investigate the totals you get when adding numbers in threes on the diagonal of this pattern.
problem
Paper patchwork 2

Age

5 to 7

Challenge level

Have a go at making a few of these shapes from paper in different sizes. What patterns can you create?