Decimals

Track decimal place values when multiplying or dividing by powers of ten and converting measurement units.

  • MOE teaching syllabus · Primary 5 Mathematics (taught from 2025)

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Scale decimals and convert units

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MOE syllabus

Syllabus references for this course:

About this topic

Before you begin

Track decimal place values when multiplying or dividing by powers of ten and converting measurement units.

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

Scale decimals and convert units

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