Mathematics in Grade 7 in Sri Lanka
Grade 7 Mathematics in Sri Lanka follows the national curriculum set by the Ministry of Education. The curriculum is designed to enhance students’ logical thinking, problem-solving skills, and understanding of fundamental mathematical concepts. Below is an overview of the key topics covered in Grade 7 Mathematics:
1. Number Systems
- Whole numbers, integers, fractions, and decimals.
- Prime numbers, factors, and multiples.
- Simplification and comparison of fractions and decimals.
- Basic operations (addition, subtraction, multiplication, and division).
2. Algebra
- Introduction to algebraic expressions.
- Simplification of expressions.
- Solving simple linear equations.
- Patterns and sequences.
3. Geometry
- Basic geometric shapes and their properties.
- Measuring angles using a protractor.
- Construction of angles and triangles.
- Perimeter and area of 2D shapes (rectangles, squares, triangles, and circles).
4. Measurements
- Units of measurement (length, mass, time, and capacity).
- Conversion between units.
- Calculations involving time and duration.
5. Data Handling
- Reading and interpreting data from tables and charts.
- Drawing bar graphs and pie charts.
- Introduction to averages (mean, mode, and median).
- Probability basics.
6. Ratio and Proportion
- Understanding and solving problems involving ratios.
- Proportional relationships in real-life situations.
7. Percentages
- Conversion between fractions, decimals, and percentages.
- Solving problems involving percentage increase or decrease.
8. Basic Trigonometry (Introduction)
- Understanding basic concepts of angles.
- Introduction to right-angle triangles and Pythagoras’ Theorem.
9. Problem Solving
- Applying mathematical concepts to solve real-life problems.
- Developing logical reasoning and analytical thinking.
Learning Methodologies
The Grade 7 Mathematics curriculum encourages:
- Interactive activities and group work.
- Use of visual aids such as graphs, charts, and diagrams.
- Application of mathematical concepts to everyday life scenarios.
Assessment
Students are assessed through:
- Written examinations.
- Class assignments and quizzes.
- Practical problem-solving exercises.
Teachers and parents are encouraged to provide support in practicing problems, reinforcing concepts, and fostering a positive attitude towards mathematics.