# Mathematics / Year 4 / Number and Algebra / Patterns and algebra

Curriculum content descriptions

Find unknown quantities in number sentences involving addition and subtraction and identify equivalent number sentences involving addition and subtraction (ACMNA083)

Elaborations
• writing number sentences to represent and answer questions such as: ‘When a number is added to 23 the answer is the same as 57 minus 19. What is the number?’
• using partitioning to find unknown quantities in number sentences
General capabilities
• Numeracy Numeracy
ScOT terms

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