AC9M4N01 • Year 4 Maths

Decimal Place Value: Tenths and Hundredths (AC9M4N01)

recognise and extend the application of place value to tenths and hundredths and use the conventions of decimal notation to name and represent decimals

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Unit focus

  • The decimal point separates whole-number places from fractional places. One tenth is one of 10 equal parts of a whole, one hundredth is one of 100 equal parts, and 10 hundredths equal 1 tenth.
  • Use this routine: Build the whole → Partition into tenths → Partition into hundredths → Write decimal → Rename → Compare.
  • Watch for longer decimal is larger: 0.75 is not automatically larger than 0.8; compare tenths first by writing 0.8 as 0.80.
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