Mathematics Curriculum for Grade 4 in Sri Lanka
The Grade 4 mathematics curriculum in Sri Lanka is designed to enhance students’ numerical, analytical, and problem-solving skills. Below is an overview of the key topics covered:
1. Numbers and Operations
- Reading and writing numbers up to 10,000.
- Understanding place value (units, tens, hundreds, thousands).
- Comparing and ordering numbers.
- Addition and subtraction with regrouping.
- Multiplication and division of numbers (up to 2-digit by 1-digit).
- Identifying odd and even numbers.
- Introduction to factors and multiples.
2. Fractions
- Identifying fractions (e.g., 1/2, 1/4, 1/3).
- Comparing and ordering fractions with the same denominator.
- Addition and subtraction of fractions with the same denominator.
- Understanding mixed numbers.
3. Measurement
- Measuring length, mass, and capacity using standard units (meters, kilograms, liters).
- Converting between units (e.g., centimeters to meters).
- Understanding time (reading clocks, calculating elapsed time).
- Working with money (addition, subtraction of rupees and cents).
4. Geometry
- Identifying 2D shapes (circle, square, rectangle, triangle) and 3D shapes (cube, sphere, cylinder).
- Understanding basic geometric terms (e.g., edges, vertices, faces).
- Recognizing symmetry and drawing lines of symmetry.
5. Data Handling
- Reading and interpreting simple bar graphs and pictographs.
- Collecting and organizing data.
- Representing data using tables and charts.
6. Problem Solving
- Solving word problems involving addition, subtraction, multiplication, and division.
- Applying mathematical concepts to real-life situations.
Teaching Methods
The curriculum emphasizes interactive and hands-on learning through activities, group work, and practical examples. Teachers encourage students to explore concepts through play, manipulatives, and visual aids.
By mastering these topics, Grade 4 students build a strong foundation in mathematics, preparing them for more advanced concepts in the upcoming grades.