Fractions and Parts of the Whole · Number and Algebra

Adding Fractions with Like Denominators

Modeling the addition and subtraction of fractions that share the same denominator.

Key Questions

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

ACARA Content Descriptions

AC9M4N05
Year: Year 4
Subject: Mathematics
Unit: Fractions and Parts of the Whole
Period: Number and Algebra

Suggested Methodologies

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