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Morton CE Primary School

Morton CE Primary School

Year Three

By the end of Year Three, children should be able to:

  • Count in multiples of 4, 8, 50 and 100
  • Compare and order numbers up to 1000
  • Add and subtract numbers mentally, including round numbers to HTU
  • Add and subtract using standard column method
  • Estimate answers to calculations and use the inverse to check answers
  • Know 3×, 4× and 8× tables
  • Count up and down in tenths
  • Understand that tenths are objectives or quantities divided into ten equal parts
  • Compare and order simple fractions
  • Recognise and show equivalent fractions
  • Find and write fractions of a set of objects
  • Add and subtract fractions with common denominators (less than one)
  • Measure, compare and calculate measures using standard units
  • Measure the perimeter of simple 2-D shapes
  • Add and subtract money, including giving change
  • Tell and write the time from an analogue clock, including using Roman numerals
  • Estimate and read time to the nearest minute
  • Identify horizontal, vertical, parallel and perpendicular lines
  • Identify whether angles are greater or less than a right angle
  • Interpret and present data using bar charts, pictograms and tables


Below are extracts from our calculation policy to show the methods of written calculation children should be confident with by the end of Year Three.