Additive Thinking and Regrouping · Operations

The Logic of Regrouping

Developing a conceptual understanding of carrying over and borrowing by bundling units.

Key Questions

  1. 1Why do we need to regroup when the sum of a column is greater than nine?
  2. 2How is 'carrying over' in addition related to 'borrowing' in subtraction?
  3. 3What happens to the total value if we forget to add the regrouped ten?

CBSE Learning Outcomes

CBSE: Addition and Subtraction with Regrouping - Class 3
Class: Class 3
Subject: Mathematics
Unit: Additive Thinking and Regrouping
Period: Operations

Suggested Methodologies

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