Fractions and Decimals · Number and Operations

Adding and Subtracting Parts

Developing strategies for combining fractions with like denominators and simple decimals.

Key Questions

  1. 1Why do we only add the numerators and not the denominators when combining fractions?
  2. 2How can we use a number line to model the addition of decimals?
  3. 3What happens when the sum of two fractions is greater than one whole?

NCCA Curriculum Specifications

NCCA: Primary - NumberNCCA: Primary - Fractions
Class/Year: 4th Year (TY)
Subject: Mathematical Mastery: Exploring Patterns and Logic
Unit: Fractions and Decimals
Period: Number and Operations

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