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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
Forwards Add Backwards
Add to 200
Impossibilities
Overlaps
Addicted to Addition
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 14Challenge Level 
Age 11 to 14
Challenge Level
Can you crack these cryptarithms?
Forwards Add Backwards Age 11 to 14Challenge Level
Age 11 to 14
Challenge Level
What happens when you add a three digit number to its reverse?
Add to 200 Age 11 to 14Challenge Level
Age 11 to 14
Challenge Level
By selecting digits for an addition grid, what targets can you make?
Impossibilities Age 11 to 14Challenge Level
Age 11 to 14
Challenge Level
Just because a problem is impossible doesn't mean it's difficult...
Overlaps Age 11 to 14Challenge Level
Age 11 to 14
Challenge Level
Can you find ways to put numbers in the overlaps so the rings have equal totals?
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Patterns in Number Sequences
These resources are designed to get you thinking about number sequences and patterns.