Fractions, Decimals, and Percentages · Proportional Reasoning

Operating with Fractions

Adding, subtracting, and multiplying fractions with unlike denominators using visual and abstract methods.

Key Questions

  1. 1Why must we find a common denominator before adding fractions but not before multiplying them?
  2. 2What happens to the size of a product when we multiply a whole number by a proper fraction?
  3. 3How can we use visual area models to justify the algorithm for fraction multiplication?

NCCA Curriculum Specifications

NCCA: Primary - Number Operations
Class/Year: 6th Year
Subject: Mastering Mathematical Reasoning: Year 6
Unit: Fractions, Decimals, and Percentages
Period: Proportional Reasoning

Suggested Methodologies

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