This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

This activity investigates how you might make squares and pentominoes from Polydron.

If you had 36 cubes, what different cuboids could you make?

Whose Face?

I am Debra from Singapore. This is my solution:

(IG stands for information given. S stands for solution.)

IG:	Will and Jill are smiling. Jill has big eyes.
S:	There are three faces which are smiling. One of them has big eyes. This is Jill.
IG:	Lil and Will have big noses. Will is smiling.
S:	There are two faces with big noses. One of them is smiling. This is Will. The other one with a big nose is Lil.
IG:	Bill sad. This means he is frowning.
S:	The two people who are left: one which is frowning and one which is smiling. The one who is frowning is Bill. The very last one is Phil.