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Double Digit

Choose two digits and arrange them to make two double-digit numbers. Now add your double-digit numbers. Now add your single digit numbers. Divide your double-digit answer by your single-digit answer. Try lots of examples. What happens? Can you explain it?

Not a Polite Question

When asked how old she was, the teacher replied: My age in years is not prime but odd and when reversed and added to my age you have a perfect square...

Whole Numbers Only

Can you work out how many of each kind of pencil this student bought?

Arrange the Digits

Age 11 to 14 Challenge Level:

Can you arrange the digits $1,2,3,4,5,6,7,8,9$ into three $3$ - digit numbers such that their total is close to $1500$?



You might like to think about how many different ways there are of getting as close as you can to $1500$.