Key learning points

1. Multiplication and division are used to convert between measurements on a map or plan and those in real life.
2. Working with scale can involve fractions of measures.
3. Two scales can look different but be equivalent.

Common misconception

Keywords

• Scale - A scale is used to show how the distances on a map or plan relate to distances in real life

• 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