### Pebbles

Place four pebbles on the sand in the form of a square. Keep adding as few pebbles as necessary to double the area. How many extra pebbles are added each time?

### It Figures

Suppose we allow ourselves to use three numbers less than 10 and multiply them together. How many different products can you find? How do you know you've got them all?

### Bracelets

Investigate the different shaped bracelets you could make from 18 different spherical beads. How do they compare if you use 24 beads?

# Shifting Times Tables Game

##### Stage: 2 and 3 Challenge Level:

In this activity, the computer chooses a times table and shifts it. So the four times table $4, 8, 12, 16 ...$ shifted by 3 would become $7, 11, 15, 19 ...$

Can you work out the table and the shift each time?

Full Screen Version
This text is usually replaced by the Flash movie.

Why not try the problem Shifting Times Tables to explore this a little further?