Fractional Fluency and Operations · Number and Operations

Addition and Subtraction of Fractions

Computing sums and differences of fractions with different denominators and mixed numbers.

Key Questions

  1. 1Why must we find a common denominator before adding or subtracting fractions?
  2. 2How can we use a number line to estimate if our fractional sum is reasonable?
  3. 3When is it more efficient to convert mixed numbers to improper fractions before calculating?

MOE Syllabus Outcomes

MOE: Fractions - P5
Level: Primary 5
Subject: Mathematics
Unit: Fractional Fluency and Operations
Period: Number and Operations

Suggested Methodologies

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