Additive and Multiplicative Structures · Calculations

Efficient Addition and Subtraction

Using formal column methods for numbers with more than four digits and solving multi step problems.

Key Questions

  1. 1Why is aligning place value columns the most critical step in formal addition?
  2. 2How can we use the inverse relationship to prove our calculations are correct?
  3. 3When is a mental strategy more efficient than a formal written method?

National Curriculum Attainment Targets

KS2: Mathematics - Addition and Subtraction
Year: Year 5
Subject: Mathematics
Unit: Additive and Multiplicative Structures
Period: Calculations

Suggested Methodologies

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