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Additive Thinking and Strategy · Autumn Term

Subtracting Two-Digit Numbers (No Regrouping)

Using concrete objects and pictorial representations to subtract two 2-digit numbers without crossing the tens boundary.

Key Questions

  1. Explain how to subtract two 2-digit numbers by subtracting the tens first, then the ones.
  2. Differentiate between 'taking away' and 'finding the difference' in subtraction.
  3. Construct a story problem that can be solved by subtracting 25 from 48.

National Curriculum Attainment Targets

KS1: Mathematics - Addition and Subtraction
Year: Year 2
Subject: Mathematics
Unit: Additive Thinking and Strategy
Period: Autumn Term

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