### Eight Dominoes

Using the 8 dominoes make a square where each of the columns and rows adds up to 8

### Reflecting Squarely

In how many ways can you fit all three pieces together to make shapes with line symmetry?

How many different symmetrical shapes can you make by shading triangles or squares?

# Back in Time

##### Age 11 to 14 Short Challenge Level:

Beatrix has a $24$-hour digital clock on a glass table-top next to her desk. When she looked at the clock at $13:08$, she noticed that the reflected display also read $13:08$, as shown.

How many times in a $24$-hour period do the display and its reflection give the same time?

If you liked this problem, here is an NRICH task that challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.
You can find more short problems, arranged by curriculum topic, in our short problems collection.