### Cubes

Investigate the number of faces you can see when you arrange three cubes in different ways.

### I'm Eight

Find a great variety of ways of asking questions which make 8.

### Let's Investigate Triangles

Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?

# How Odd

##### Age 5 to 7 Challenge Level:

How many odd numbers are there between $3$ and $11$?

How many odd numbers are there between $4$ and $11$?

What do you notice?  Can you explain your observation?

Can you find any other pairs of numbers which have this same number of odds between them?

Can you find a pair of numbers which have four odd numbers between them?

Can you find another pair of numbers which have four odds between them?  And another pair?

How would you find a pair of numbers that have five odds between them?  Six odds?

How would you explain to someone else how to find  a pair of numbers that have a certain number of odds between them?