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
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
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
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
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
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?
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Engaging interactively
Age
11 to 18
Challenge level
Resources that make use of digital manipulatives
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Using wonder to promote curiosity
The tricks in this feature will capture children's curiosity, motivating them to explore and explain.