As teachers, we often like to share something spectacular with students in order to get a "wow". However, rather than a punchline, this could be the starting point for students to explore and explain, helping them to realise the power of mathematics as a tool to make sense of the world.
problem
Favourite
Your number is...
Age
7 to 14
Challenge level
Think of a number and follow the machine's instructions... I know what your number is! Can you explain how I know?
problem
Favourite
The Number Jumbler
Age
7 to 14
Challenge level
The Number Jumbler can always work out your chosen symbol. Can you work out how?
problem
Favourite
Your number was...
Age
11 to 14
Challenge level
Think of a number and follow my instructions. Tell me your answer, and I'll tell you what you started with! Can you explain how I know?
problem
Favourite
Twisting and Turning
Age
11 to 14
Challenge level
Take a look at the video and try to find a sequence of moves that will untangle the ropes.
problem
Favourite
More Twisting and Turning
Age
11 to 16
Challenge level
It would be nice to have a strategy for disentangling any tangled ropes...
problem
All tangled up
Age
14 to 18
Challenge level
Can you tangle yourself up and reach any fraction?
list
Engaging interactively
Age
11 to 18
Challenge level
Resources that make use of digital manipulatives
list
Using Wonder to Promote Curiosity
The tricks in this feature will capture children's curiosity, motivating them to explore and explain.