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NSW Curriculum
NSW Education Standards Authority

K–10Mathematics K–10 Syllabus

Record of changes
Implementation for K–2 from 2023 and 3–10 from 2024
Expand for detailed implementation advice

Content

Stage 3

Additive relations A
Apply efficient mental and written strategies to solve addition and subtraction problems
  • Solve word problems, including multistep problems

  • Apply known strategies such as levelling, addition for subtraction, using constant difference, and bridging (Reasons about relations)

  • Use place value to add or subtract 3 or more numbers with different numbers of digits

  • Determine when it would be more efficient to use a calculator to add numbers

  • Identify efficient and inefficient multidigit subtraction strategies

Use estimation and place value understanding to determine the reasonableness of solutions
  • Round numbers appropriately when obtaining estimates to numerical calculations

  • Use place value understanding to check for errors in calculations

  • Use estimation to check the reasonableness of solutions to addition and subtraction calculations

Related files