Understand tenths as part of a whole, represent and calculate mentally

Understand tenths as part of a whole, represent and calculate mentally

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Why this why now

This unit introduced the decimal notation for tenths. It builds on pupils' knowledge of fractions and of using place value multiply and divide by 10 and 100. They will also develop their understanding of rounding to include rounding decimals to the nearest whole number. Pupils will then go on to calculate with decimals in column addition and subtraction and to extend their decimal understanding to include hundredths.

Prior knowledge requirements

  • Recognise place value in decimals
  • Link tenths to fractions and division by 10
  • Represent tenths using diagrams or number lines

Threads

Why this why now

This unit introduced the decimal notation for tenths. It builds on pupils' knowledge of fractions and of using place value multiply and divide by 10 and 100. They will also develop their understanding of rounding to include rounding decimals to the nearest whole number. Pupils will then go on to calculate with decimals in column addition and subtraction and to extend their decimal understanding to include hundredths.

Prior knowledge requirements

  • Recognise place value in decimals
  • Link tenths to fractions and division by 10
  • Represent tenths using diagrams or number lines