Decimals

Build and connect the representations and methods in decimals.

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  • Primary 5 Mathematics 2025

Before you begin

Build and connect the representations and methods in decimals.

Learning goals
  • Multiply a decimal by 10, 100 or 1000
  • Divide a decimal by 10, 100 or 1000
  • Multiply a decimal by another multiple of ten
  • Divide a decimal by another multiple of ten
  • Express a decimal measurement in the smaller unit
  • Express a measurement as a decimal in the larger unit
Syllabus statements covered
  • multiplying and dividing decimals (up to 3 decimal places) by 10, 100, 1000 and their multiples without calculator
  • converting a measurement from a smaller unit to a larger unit in decimal form, and vice versa • kilometres and metres • metres and centimetres • kilograms and grams • litres and millilitres

In this topic

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Scale decimals and convert units

Track place values and unit size when multiplying or dividing by powers of ten.

Practise and check