Addition and subtraction of fractions and mixed numbers (within a whole)
Addition and subtraction of fractions and mixed numbers (within a whole)
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Why this why now
This unit introduces pupils to calculating with mixed numbers, starting within a whole. They will then begin to convert numbers of quarters and fifths into mixed numbers and improper fractions in preparation for converting any mixed number into an improper fraction and vice versa.
Prior knowledge requirements
- Convert between improper and mixed numbers
- Add and subtract fractions with like denominators
- Represent calculations using number lines or bar models
Threads
Why this why now
This unit introduces pupils to calculating with mixed numbers, starting within a whole. They will then begin to convert numbers of quarters and fifths into mixed numbers and improper fractions in preparation for converting any mixed number into an improper fraction and vice versa.
Prior knowledge requirements
- Convert between improper and mixed numbers
- Add and subtract fractions with like denominators
- Represent calculations using number lines or bar models
Addition and subtraction of fractions and mixed numbers (within a whole)
In this unit pupils will make efficient choices about the order they solve an addition and subtraction problem in.
5 lessons in unit
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