### Construct-o-straws

Make a cube out of straws and have a go at this practical challenge.

### Matchsticks

Reasoning about the number of matches needed to build squares that share their sides.

### Little Boxes

How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?

# More Building with Cubes

##### Age 7 to 11 Challenge Level:

Abbie, Kyle and Sophie from Lillington Primary School sent us pictures of building A. Here is Abbie's:

This is Kyle's:

And this is Sophie's image which is drawn from a slightly different perspective:

Alice from the Royal School sent us a picture of building B, which she drew on isometric paper (a very good idea!):

Thank you, Alice.

Pupils at Lillington Primary School also tried building C. Here is Abbie's picture:

Jerrold drew it from a different perspective. Which cube can't you see? Where would it be?

Thank you, too, to Nisar, Dereece, Kyle and Sophie who all sent in pictures of building C from different angles. You must have worked hard on this activity!