Key learning points

1. Ratio and scaling problems can be represented in similar ways.
2. Ratio and scaling problems can be solved in similar ways.
3. A ratio table can be used to solve ratio and scaling problems.

Common misconception

Keywords

• Scaling - Scaling is the operation of changing one value to another using multiplication or division, using the same factor or divisor

• Double number line - A double number line is used to show the relationship between two values, in this case, the distances on the plan and those in real life