Developing Number Sense · Number Sense

Fractional Arithmetic

Applying the four operations to proper fractions, improper fractions, and mixed numbers.

Key Questions

  1. 1Why do we need a common denominator to add fractions but not to multiply them?
  2. 2How can we use visual models to explain why dividing by a fraction is the same as multiplying by its reciprocal?
  3. 3When is it better to work with fractions rather than decimals in a calculation?

National Curriculum Attainment Targets

KS3: Mathematics - Number
Year: Year 8
Subject: Mathematics
Unit: Developing Number Sense
Period: Number Sense

Suggested Methodologies

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