Being curious

problem
Statement snap

Age

7 to 14

Challenge level

You'll need to know your number properties to win a game of Statement Snap...
problem
Satisfying statements

Age

11 to 14

Challenge level

Can you find any two-digit numbers that satisfy all of these statements?
problem
Subtraction surprise

Age

7 to 14

Challenge level

Try out some calculations. Are you surprised by the results?