🔢 Mathematics · Fractions

Fraction Addition Concepts

Understand addition and subtraction of fractions as joining and separating parts; decompose a fraction into a sum of fractions with the same denominator in more than one way

Typical age: 9–10 years

“If your child has 7/8 of a chocolate bar and gives away 3/8, can they work out what fraction is left — and then show two different ways to split 7/8 into two parts?”

0 / 3 mastered

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Needs first

Understanding fractions (age 9+)REQUIRED
Fraction as sum of unit fractions is prerequisite to decomposing and adding/subtracting
Adding Fractions (Same Denominator)REQUIRED
Y4 add/sub fractions same denom is prerequisite to decomposition and joining/separating

Unlocks next

Measurement Line Plots
Fraction addition/subtraction supports solving problems from line plot data
Adding and subtracting mixed numbersREQUIRED
Fraction decomposition is prerequisite to adding/subtracting mixed numbers
Adding fractions (different denominators)REQUIRED
Same-denom add/sub is prerequisite to related-denom add/sub