Addition and subtraction of fractions
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Threads
Why this why now
In this unit, pupils combine their understanding of equivalent fractions and fractions in their simplest form to add fractions with different denominators. To begin with the denominators are within related unit fractions, building to adding and subtracting non-related fractions with different denominators including bridging a whole. This will prepare them for calculating with fractions in the future and for comparing fractions using equivalence.
Prior knowledge requirements
- Recognise unit and non-unit fractions
- Add and subtract fractions with the same denominator
- Use visual models like bars and number lines
Threads
Why this why now
In this unit, pupils combine their understanding of equivalent fractions and fractions in their simplest form to add fractions with different denominators. To begin with the denominators are within related unit fractions, building to adding and subtracting non-related fractions with different denominators including bridging a whole. This will prepare them for calculating with fractions in the future and for comparing fractions using equivalence.
Prior knowledge requirements
- Recognise unit and non-unit fractions
- Add and subtract fractions with the same denominator
- Use visual models like bars and number lines
Addition and subtraction of fractions
In this unit pupils will explain how to write a fraction in its simplest form when solving addition and subtraction problems.
10 lessons in unit
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