Fractions for Singapore primary maths
Begin with equal parts of one whole. Compare fraction strips, find equivalent fractions, and connect mixed numbers and fraction calculations to pictures rather than memorising rules alone.
Choose your primary level and path. Each guide links to the interactive lesson and its prerequisite ideas.
Primary 2 fractions
- Represent a fraction as part of a wholeRepresent a fraction as part of a whole · About 8 minutes
- Read and write fraction notationRead and write fraction notation · About 8 minutes
- Compare unit fractions with denominators up to 12Compare unit fractions with denominators up to 12 · About 8 minutes
- Compare like fractions with denominators up to 12Compare like fractions with denominators up to 12 · About 8 minutes
- Add and subtract like fractions within one wholeAdd and subtract like fractions within one whole · About 8 minutes
Primary 3 fractions
- Equivalent fractionsRecognise that different fractions can name the same amount · About 12 minutes
- Simplest formFind a common factor of the numerator and denominator · About 10 minutes
- Generate equivalent fractionsGenerate equivalent fractions · About 10 minutes
- Simplify fractionsSimplify fractions · About 10 minutes
- Compare unlike fractions with denominators up to 12Compare unlike fractions with denominators up to 12 · About 10 minutes
- Find a missing numerator or denominatorFind a missing numerator or denominator · About 10 minutes
- Add and subtract related fractions within one wholeAdd and subtract related fractions within one whole · About 10 minutes
Primary 4 fractions
- Represent mixed numbers and improper fractionsRepresent mixed numbers and improper fractions · About 10 minutes
- Convert between mixed numbers and improper fractionsConvert between mixed numbers and improper fractions · About 10 minutes
- Find a fraction of a setFind a fraction of a set · About 10 minutes
- Add and subtract fractions with denominators up to 12 using at most two different denominatorsAdd and subtract fractions with denominators up to 12 using at most two different denominators · About 10 minutes
Primary 5 fractions
- Interpret a fraction as divisionInterpret a fraction as division · About 12 minutes
- Express a whole-number division as a fractionExpress a whole-number division as a fraction · About 12 minutes
- Convert fractions to decimalsConvert fractions to decimals · About 12 minutes
- Add and subtract mixed numbersAdd and subtract mixed numbers · About 12 minutes
- Multiply proper and improper fractions by whole numbersMultiply proper and improper fractions by whole numbers · About 12 minutes
- Multiply fractions by fractionsMultiply fractions by fractions · About 12 minutes
- Multiply mixed numbers by whole numbersMultiply mixed numbers by whole numbers · About 12 minutes
Primary 6 fractions
- Divide a proper fraction by a whole numberDivide a proper fraction by a whole number · About 12 minutes
- Divide a whole number or proper fraction by a proper fraction without a calculatorDivide a whole number or proper fraction by a proper fraction without a calculator · About 12 minutes
Primary 5 Foundation fractions
- Represent fractions of a whole or setRepresent fractions of a whole or set · About 12 minutes
- Generate equivalent fractions and simplifyGenerate equivalent fractions and simplify · About 12 minutes
- Compare fractions with denominators up to 12Compare fractions with denominators up to 12 · About 12 minutes
- Convert between mixed numbers and improper fractionsConvert between mixed numbers and improper fractions · About 12 minutes
- Add and subtract fractions with denominators up to 12 without a calculatorAdd and subtract fractions with denominators up to 12 without a calculator · About 12 minutes
- Add and subtract mixed numbersAdd and subtract mixed numbers · About 12 minutes
- Multiply a proper or improper fraction by a whole numberMultiply a proper or improper fraction by a whole number · About 12 minutes
- Multiply a proper fraction by a proper or improper fractionMultiply a proper fraction by a proper or improper fraction · About 12 minutes
- Find a missing numerator or denominator in an equivalent fractionFind a missing numerator or denominator in an equivalent fraction · About 12 minutes
Primary 6 Foundation fractions
- Interpret fractions as divisionInterpret fractions as division · About 12 minutes
- Express whole-number division as a fractionExpress whole-number division as a fraction · About 12 minutes
- Convert fractions to decimalsConvert fractions to decimals · About 12 minutes
- Divide a proper fraction by a whole numberDivide a proper fraction by a whole number · About 12 minutes
- Divide a whole number or proper fraction by a proper fractionDivide a whole number or proper fraction by a proper fraction · About 12 minutes