| A | B |
| area | the amount of 2-dimensional space an object is spread over. A square measure |
| average speed | found by dividing the distance travelled by the time taken |
| capacity | amount of liquid a container holds, measured in litres etc. |
| cross section | the view when a plane 'cuts' an object at right angles to the base |
| dimensions | length of sides |
| estimate | find an approximate value |
| hectare (symbol ha) | a unit for area equal to 10 000 metres squared |
| limits of accuracy | range of values within which the true value of a measurement falls |
| perimeter | the distance around an object |
| tonne | a unit of mass equal to 1000 kg |
| volume | the amount of 3-dimensional space an object occupies. A cubic measure. |
| model | An approximate representatin of an object using geometrical shapes |