Visualising and representing

Can you make the numbers around each face of this solid add up to the same total?

Two numbers can be placed adjacent if one of them divides the other. Using only $1,...,10$, can you write the longest such list?

How does the perimeter change when we fold this isosceles triangle in half?

Can you find the time between 3 o'clock and 10 o'clock when my digital clock looks the same from both the front and back?

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?