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.
game
Favourite
Dicey Operations
Who said that adding, subtracting, multiplying and dividing couldn't be fun?
problem
Favourite
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...
problem
Favourite
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?
problem
Favourite
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.
problem
Favourite
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.
list
Place value, integers, ordering and rounding
Challenge level
Working on these problems will help you develop a better understanding of place value, ordering and rounding.
list
Number operations and calculation methods
Challenge level
Working on these problems will help you develop a better understanding of number operations and calculation methods.
list
Powers and roots
Challenge level
Working on these problems will help you develop a better understanding of powers and roots.
list