Sri Lanka Grade 4 School Syllabus - Mathematics

This outlines the topics covered in the Sri Lanka Grade 4 Mathematics curriculum.

Numbers:

• Whole Numbers: Students learn about whole numbers, including place value up to the millions, writing numbers using base 10 and in expanded form, rounding large numbers, and properties of whole numbers.
• Operations with Whole Numbers: The curriculum covers addition, subtraction, multiplication (including multiplication of one by 4 digits and 2 by 2 digits), and division (including division of 4-digit numbers by 1-digit numbers and remainders). Students also practice mental arithmetic.
• Factors and Multiples: Students are introduced to the concepts of factors, multiples, and prime numbers.
• Decimal Numbers: Grade 4 introduces decimal numbers, connecting them to concepts like measurement and time.

Fractions:

• Introduction to Fractions: Students learn about fractions as parts of a whole, fractional numbers, numerators and denominators, and representing fractions through visual models.
• Equivalent Fractions: The concept of equivalent fractions is introduced, often using visual aids.
• Operations with Fractions: Students begin to learn addition and subtraction of fractions.
• Unit Fractions and Multiple Unit Fractions: Students learn to represent fractions as multiples of unit fractions.

Geometry:

• Shapes and Spatial Understanding: Students learn about different geometric shapes and develop spatial reasoning skills.

Measurement:

• Length: Students learn to measure length using different units.
• Perimeter and Area: The concepts of perimeter and area are introduced.
• Time: Students work with time calculations, including converting between different units of time.
• Volume: The concept of volume is introduced.

Other Topics:

• Numeric Patterns: Students learn to identify and work with numeric patterns.
• Symmetry: The concept of symmetry is introduced.
• Probability: Basic concepts of probability are introduced.