Addicted to Addition
Addition is all you need to be able to do to tackle these tricky tasks.
But that doesn't mean they are going to be easy...
Cryptarithms Age 11 to 14
Challenge Level
Challenge Level
Can you crack these cryptarithms?
Forwards Add Backwards Age 11 to 14
Challenge Level
Challenge Level
What happens when you add a three digit number to its reverse?
Add to 200 liveAge 11 to 14
Challenge Level
Challenge Level
By selecting digits for an addition grid, what targets can you make?
Impossibilities Age 11 to 14
Challenge Level
Challenge Level
Just because a problem is impossible doesn't mean it's difficult...
Overlaps Age 11 to 14
Challenge Level
Challenge Level
Can you find ways to put numbers in the overlaps so the rings have equal totals?
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NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.