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Grade 4 is broadly equivalent to Year 5 British · Class 4 CBSE · PYP IB

Mathematics — Grade 4

American Curriculum · Ages 9-10

Grade 4 extends multiplication to multi-digit numbers and introduces long division. Fractions become more demanding: understanding equivalence, comparing fractions with different denominators, and adding/subtracting fractions with the same denominator. Decimal notation for fractions is introduced.

Geometry covers angle measurement and classification, and students identify factors and multiples of whole numbers: early number theory that supports later fraction work.

Key topics covered

Multi-Digit Multiplication & DivisionStandard algorithms for larger numbers.
Fraction EquivalenceComparing fractions with different denominators; adding same-denominator fractions.
DecimalsDecimal notation for fractions, introduced through tenths and hundredths.
Angles & GeometryMeasuring and classifying angles.
Factors & MultiplesIdentifying factors and multiples of whole numbers.

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