For younger students, cracking the code of our base ten number system is of vital importance to making sense of arithmetic, so we've chosen to feature some problems designed to get students thinking about place value. For older students, we offer problems that focus on powers and indices.
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Dicey Operations
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
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Always a multiple?
Age
11 to 14
Challenge level
Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...
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Method in multiplying madness?
Age
7 to 14
Challenge level
Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?
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Power Countdown
Age
14 to 16
Challenge level
In this twist on the well-known Countdown numbers game, use your knowledge of Powers and Roots to make a target.
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Power mad!
Age
11 to 14
Challenge level
Powers of numbers behave in surprising ways. Take a look at some of these and try to explain why they are true.
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Place value, integers, ordering & rounding
Challenge level
Working on these problems will help you develop a better understanding of place value, ordering and rounding.
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Number operations & calculation methods
Challenge level
Working on these problems will help you develop a better understanding of number operations and calculation methods.
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Powers and roots
Challenge level
Working on these problems will help you develop a better understanding of powers and roots.
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