How many legs do each of these creatures have? How many pairs is that?

This activity challenges you to decide on the 'best' number to use in each statement. You may need to do some estimating, some calculating and some research.

Can you put these times on the clocks in order? You might like to arrange them in a circle.

Can you place these quantities in order from smallest to largest?

Can you order pictures of the development of a frog from frogspawn and of a bean seed growing into a plant?

Can you rank these quantities in order? You may need to find out extra information or perform some experiments to justify your rankings.

Can you put these mixed-up times in order? You could arrange them in a circle.

This article for teachers recounts the history of measurement, encouraging it to be used as a spring board for cross-curricular activity.