In each guide, you’ll find step-by-step examples, practice questions, exam questions, and a worksheet. 1. GCSE maths topic: Number Key topics Context-rich work on four operations and calculation skills, including basic arithmetic, fractions, decimals and negative numbers, order of operations...
The ratio 2:12:12:1 means that the real life distance is half of the scale diagram. Incorrect units in the solution The units for the model can be mixed up with the units for the real life distance.E.g.If we were calculating the distance of 10cm on a map with the scale ratio ...
Enlargements have real life functions, such as changing the size of photographic prints or pictures in documents. Enlarging a shape by a scale factor greater than 1 will make the shape bigger. E.g. Shape A has been enlarged by scale factor 222 to make shape B. The corresponding angles ...