2 out of 3
These caterpillars have 16 parts. What different shapes do they make if each part lies in the small squares of a 4 by 4 square?
1 out of 3
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?
While musing about the difficulties children face in comprehending number structure, notation, etc., it occured to the author that there is a vast array of occasions when numbers and signs are used in anomalous ways; often these are at the earliest stages, when they must be enormously confusing. However, they also frequently happen in adult situations.
2 out of 3
2 out of 3
1 out of 3
Shogi tiles can form interesting shapes and patterns... I wonder whether they fit together to make a ring?
2 out of 3
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories?
