Ratio and proportion

What angle is needed for a ball to do a circuit of the billiard table and then pass through its original position?

What's the most efficient proportion for a 1 litre tin of paint?

Can you find an efficent way to mix paints in any ratio?

Can you work out how to produce different shades of pink paint?

A farmer is supplying a mix of seeds, nuts and dried apricots to a manufacturer of crunchy cereal bars. What combination of ingredients costing £5 per kg could he supply?

The Man is much smaller than us. Can you use the picture of him next to a mug to estimate his height and how much tea he drinks?

Use the ratio of cashew nuts to peanuts to find out how many peanuts Rachel has. What would the ratio be if Rachel and Marianne mixed their bags?

Use the grids to draw pictures to different scales.

Can you decide whose drink has the strongest blackcurrant flavour from these pictures?