List

Surprise!

Curiosity is triggered when something unexpected happens. These problems aim to draw students in by offering that element of surprise.

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How would we count?
problem
Favourite

How would we count?

Age
5 to 11
Challenge level
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An activity centred around observations of dots and how we visualise number arrangement patterns.

Square Surprise
problem

Square Surprise

Age
5 to 11
Challenge level
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Why do you think that the red player chose that particular dot in this game of Seeing Squares?
Next-door Numbers
problem

Next-door Numbers

Age
5 to 7
Challenge level
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Florence, Ethan and Alma have each added together two 'next-door' numbers. What is the same about their answers?
Light the Lights
problem
Favourite

Light the Lights

Age
5 to 7
Challenge level
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Investigate which numbers make these lights come on. What is the smallest number you can find that lights up all the lights?

Consecutive Numbers
problem
Favourite

Consecutive Numbers

Age
7 to 14
Challenge level
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An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
Subtraction Surprise
problem
Favourite

Subtraction Surprise

Age
7 to 14
Challenge level
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Try out some calculations. Are you surprised by the results?
Pouring Problem
problem
Favourite

Pouring Problem

Age
7 to 11
Challenge level
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What do you think is going to happen in this video clip? Are you surprised?

Codebreakers
list

Codebreakers

Age
5 to 11
Calling all maths detectives! This feature focuses on lots of fun problems for children to solve.
Placeholder: several colourful numbers
list

Surprise!

Age
11 to 18
Challenge level
filled star empty star empty star
Curiosity is triggered when something unexpected happens