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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 link

Cryptarithms 

Stage: 3 Challenge Level: Challenge Level:1

Can you crack these cryptarithms?

Forwards Add Backwards link

Forwards Add Backwards 

Stage: 3 Challenge Level: Challenge Level:1

What happens when you add a three digit number to its reverse?

Add to 200 link

Add to 200 

Stage: 3 Challenge Level: Challenge Level:1

By selecting digits for an addition grid, what targets can you make?

Impossibilities link

Impossibilities 

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Just because a problem is impossible doesn't mean it's difficult...

Overlaps link

Overlaps 

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Can you find ways to put numbers in the overlaps so the rings have equal totals?