Visualising and representing

Look at the times that Harry, Christine and Betty take to pack boxes when working in pairs, to find how fast Christine can pack boxes by herself.

From only the page numbers on one sheet of newspaper, can you work out how many sheets there are altogether?

If I walk to the bike shop, but then cycle back, what is my average speed?

Albert Einstein is experimenting with two unusual clocks. At what time do they next agree?

The base of a pyramid has n edges. What is the difference between the number of edges the pyramid has and the number of faces the pyramid has?

Weekly Problem 34 - 2015
Four tiles are given. For which of them can three be placed together to form an equilateral triangle?

Stephen stops at Darlington on his way to Durham. At what time does he arrive at Durham?

Edith had 9 children at 15 month intervals. If the oldest is now six times as old as the youngest, how old is her youngest child?

When Andrew arrives at the end of the walkway, how far is he ahead of Bill?

After tennis training, Andy, Roger and Maria collect up the balls. Can you work out how many Andy collects?