Converting between improper fractions and mixed numbers

Convert between improper fractions and mixed numbers.

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Learning objective overview

Master Teaching Guide coverage for this objective.

Current NZC (2007)
  • NA4-3
New NZC (2026)
  • NZC26-P4-ALG-ER-K-Y9-02
  • NZC26-P4-NUM-NSO-P-Y9-03
  • NZC26-P4-NUM-NSO-P-Y9-01

Resources

  • Alpha textbook: Improper Fractions to Mixed Numbers, Ex 8.05, pg 125
  • Alpha textbook: Mixed Number to Improper Fractions, Ex 8.06, pg 126
  • CorbettMaths worksheetQuestions PDF · Answers

Terminology

  • Improper fraction
  • Mixed number
  • Remainder

Task goals

  • Write fractional results with magnitude greater than 1 as improper fractions in algebraic calculations and equations, with a positive denominator.
  • Convert an improper fraction to a mixed number by dividing the numerator by the denominator and writing the remainder as the new numerator.
  • Convert a mixed number to an improper fraction by multiplying the whole number by the denominator and adding the original numerator.
  • Explain each step of an improper-to-mixed or mixed-to-improper conversion in words, not just state the answer.
  • Apply the conversion to a real-world measurement or recipe context where an improper fraction and a mixed number describe the same quantity.

Where this fits

What leads into this objective, and where it goes next.

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Converting between improper fractions and mixed numbers

Converting between improper fractions and mixed numbers

Know

When operating on or writing equations with fractions, fractions of magnitude greater than 1 are usually written as improper fractions.

Statement▸
Year 9 · Algebra · Equations and relationships
NZC26-P4-ALG-ER-K-Y9-02
Do

Finding equivalent fractions, simplifying fractions, and converting between improper fractions and mixed numbers

Statement▸
Year 9 · Number · Number structures and operations
NZC26-P4-NUM-NSO-P-Y9-03

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