2021 O/L Maths Paper Answers PDF Download
If you are preparing for the Ordinary Level (O/L) Mathematics exam in Sri Lanka, you might be looking for some past papers and answers to practice and improve your skills. In this article, we will provide you with the 2021 O/L Maths paper answers PDF download link, as well as some useful tips and tricks to ace the exam. Read on to find out more!
2021 o l maths paper answers pdf download
Introduction
What is the O/L Maths exam?
The O/L Maths exam is one of the compulsory subjects that students have to take at the end of their secondary education in Sri Lanka. It is administered by the Department of Examinations and follows the Cambridge O Level Mathematics (Syllabus D) (4024). The exam tests the students' mathematical ability, understanding, and problem-solving skills in various topics such as algebra, geometry, trigonometry, statistics, and calculus.
Why is it important to practice past papers?
Practicing past papers is one of the best ways to prepare for any exam, especially for a subject like mathematics. By solving past papers, you can:
Get familiar with the format, structure, and types of questions in the exam.
Review the topics and concepts that are covered in the syllabus.
Identify your strengths and weaknesses and focus on improving them.
Improve your speed, accuracy, and confidence in answering questions.
Learn from your mistakes and avoid repeating them in the actual exam.
How to download the 2021 O/L Maths paper answers PDF?
To download the 2021 O/L Maths paper answers PDF, you can use the following link: [16]( This website provides you with the past paper and the marking scheme for both Part I (MCQ) and Part II (Essay) of the 2021 O/L Maths paper in Sinhala medium. You can also find other past papers and resources for O/L Mathematics on this website.
Main body
Overview of the 2021 O/L Maths paper
Paper format and structure
The 2021 O/L Maths paper consists of two parts: Part I (MCQ) and Part II (Essay). Part I has 40 multiple-choice questions, each worth one mark. Part II has 10 structured questions, each worth 12 marks. The total marks for the paper are 160. The duration of the paper is 2 hours and 30 minutes.
Topics and syllabus covered
The 2021 O/L Maths paper covers all the topics and subtopics in the Cambridge O Level Mathematics (Syllabus D) (4024). These include:
TopicSubtopics
NumberNumerical calculations, fractions, decimals, percentages, ratio, proportion, indices, standard form, surds
AlgebraSimplifying expressions, solving equations and inequalities, factorisation, algebraic fractions, simultaneous equations, quadratic equations, graphs of functions
MensurationPerimeter, area, volume , surface area, units of measurement, accuracy and error
GeometryAngles, triangles, quadrilaterals, polygons, circles, congruence, similarity, Pythagoras' theorem, trigonometry
Statistics and probabilityData collection and presentation, measures of central tendency and dispersion, probability, tree diagrams, Venn diagrams
CalculusDifferentiation and integration of polynomials, applications to gradients, tangents, normals, maxima and minima, areas under curves
Level of difficulty and marking scheme
The 2021 O/L Maths paper is designed to assess the students' mathematical knowledge and skills at different levels of difficulty. The questions are graded from easy to hard, with more marks allocated to the harder questions. The marking scheme is based on the following principles:
Accuracy: The answer must be correct and complete, with appropriate working shown.
Method: The answer must follow a logical and coherent method, with clear steps and notation.
Communication: The answer must be presented in a clear and concise manner, with appropriate units and terminology.
Relevance: The answer must address the question and not include irrelevant or redundant information.
Tips and tricks to ace the O/L Maths exam
Review the syllabus and key concepts
Before you start practicing past papers, make sure you have a good understanding of the syllabus and the key concepts in each topic. You can use your textbook, notes, or online resources to review the definitions, formulas, rules, and examples. You can also make summary notes or flashcards to help you memorize the important information.
Solve as many past papers as possible
The best way to prepare for the O/L Maths exam is to solve as many past papers as possible. This will help you get familiar with the format, structure, and types of questions in the exam. It will also help you test your knowledge and skills in different topics and subtopics. You can use a timer to simulate the exam conditions and check your answers with the marking scheme. You can also compare your answers with other students or teachers and learn from their feedback.
Use a calculator and other tools effectively
You are allowed to use a scientific calculator in the O/L Maths exam. However, you should not rely on it too much or use it for simple calculations. You should also know how to use it correctly and efficiently for different functions and operations. For example, you should know how to enter fractions, surds, indices, trigonometric ratios, etc. You should also check your calculator settings before the exam and make sure it is working properly.
Besides a calculator, you should also have other tools such as a ruler, a protractor, a compass, a pencil, an eraser, etc. You should know how to use these tools accurately and neatly for drawing diagrams, measuring angles and lengths, constructing shapes, etc.
Manage your time and check your work
Time management is crucial for any exam. You should allocate enough time for each question according to its marks and difficulty level. You should also leave some time at the end for checking your work. You should check your work for any errors or mistakes in calculations, units, signs, etc. You should also check if your answers are reasonable and consistent with the given information.
Conclusion
Summary of the main points
In conclusion, the 2021 O/L Maths paper is a challenging but rewarding exam that tests your mathematical ability, understanding, and problem-solving skills in various topics. To prepare for this exam, you should practice past papers and answers regularly. You should also review the syllabus and key concepts in each topic. You should also use a calculator and other tools effectively. Finally, you should manage your time and check your work carefully.
Call to action and resources
We hope this article has helped you with your preparation for the 2021 O/L Maths exam. If you want to download more past papers and answers for O/L Mathematics or other subjects, you can visit [15]( This website provides you with free access to past papers from 2010 to 2021 in Sinhala medium. You can also find other useful resources such as syllabuses , notes, guides, and videos for O/L Mathematics and other subjects. You can also join their online community and get help from other students and teachers.
Good luck with your 2021 O/L Maths exam and remember to have fun with maths!
FAQs
Q: When is the 2021 O/L Maths exam?
A: The 2021 O/L Maths exam is scheduled to be held on December 6, 2021 from 8:30 am to 11:00 am.
Q: Where can I find the syllabus for the O/L Maths exam?
A: You can find the syllabus for the O/L Maths exam on the official website of the Department of Examinations: [14](
Q: How can I improve my speed and accuracy in solving maths problems?
A: You can improve your speed and accuracy in solving maths problems by practicing regularly, using shortcuts and tricks, checking your calculations, and avoiding careless errors.
Q: What are some common mistakes to avoid in the O/L Maths exam?
A: Some common mistakes to avoid in the O/L Maths exam are:
Not reading the question carefully and missing important information or instructions.
Not showing your working or writing unclear or incomplete answers.
Not using the correct units, signs, symbols, or notation.
Not answering the question in the required form or format.
Not checking your answers for reasonableness and consistency.
Q: How can I reduce my stress and anxiety before and during the O/L Maths exam?
A: You can reduce your stress and anxiety before and during the O/L Maths exam by:
Preparing well in advance and revising thoroughly.
Getting enough sleep, rest, and nutrition.
Doing some relaxation techniques such as breathing exercises, meditation, or yoga.
Having a positive attitude and confidence in yourself.
Focusing on the question at hand and not worrying about the outcome.
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