### Cuisenaire Rods

These squares have been made from Cuisenaire rods. Can you describe the pattern? What would the next square look like?

### Making Boxes

Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?

### A Right Charlie

Can you use this information to work out Charlie's house number?

# Up and Down Staircases

##### Stage: 2 Challenge Level:

How many blocks are needed for a $3$ step up-and-down staircase?

Try making a table of the number of blocks needed for each numbers of steps.

Can you rearrange the blocks for each staircase to make a square pattern? How might this help?

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