What fraction of the black bar are the other bars? Have a go at this challenging task!
Can you compare these bars with each other and express their lengths as fractions of the black bar?
This task offers opportunities to subtract fractions using A4 paper.
Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?
Can you find the connections between linear and quadratic patterns?
Can you find the values at the vertices when you know the values on the edges of these multiplication arithmagons?
Where should you start, if you want to finish back where you started?
Can you figure out how sequences of beach huts are generated?
Play around with sets of five numbers and see what you can discover about different types of average...
