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?

An introduction to bond angle geometry.

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?

Cheryl finds a bag of coins. Can you work out how many more 5p coins than 2p coins are in the bag?

Imagine reflecting the letter P in all three sides of a triangle in turn. What is the final result?

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?

When Jim rolled some dice, the scores had the same product and sum. How many dice did Jim roll?

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