Sierra Leone JSS3 School Syllabus - Mathematics

This information is based on the Sierra Leone JSS3 Mathematics Pupil's Handbook, provided by the Ministry of Basic and Senior Secondary Education.

Term 1 Topics:

• Numbers and Numeration:
• Sorting Objects: Collecting and sorting objects based on shared properties.
• Introduction to Sets: Defining sets and identifying elements.
• Sets in Real Life: Applying set concepts to everyday situations.
• Describing Sets: Using words and set notation to define properties of sets.
• Writing Sets of Numbers: Listing elements of number sets using set notation.
• Finite Sets: Identifying sets with a countable number of elements.
• Infinite Sets: Identifying sets with an uncountable number of elements.
• Unit and Empty Sets: Defining and identifying sets with one or zero elements.
• Equal Sets: Recognizing sets with the same elements.
• Equivalent Sets: Recognizing sets with the same number of elements.
• Introduction to Subsets: Understanding subsets and their relationship to sets.
• Identifying Subsets of Real Numbers: Classifying natural numbers, whole numbers, integers, rational numbers (including fractions and decimals).
• Comparing Sets of Real Numbers: Using Venn diagrams and set notation (intersection, union, complement) to compare sets.
• Ordering Sets of Real Numbers: Arranging real numbers in ascending and descending order.
• Real Numbers on a Number Line: Plotting real numbers on a number line.
• The Roman Numeral System: Reading, writing, and counting with Roman numerals.
• Converting between Base 10 and Roman Numerals: Converting numbers between base 10 and Roman numeral systems.
• Introduction to Base 2: Understanding binary numbers and their representation.
• Ordering and Comparing Numbers in Base 2: Comparing and ordering binary numbers.
• Converting between Base 10 and Base 2: Converting numbers between base 10 and base 2 systems.
• Everyday Arithmetic:
• Capacity and Mass: Differentiating between mass and capacity, and solving related problems.
• Percentages of Quantities: Calculating percentages of quantities.
• Percentage Increase and Decrease: Calculating percentage changes and applying them to quantities.
• Ratios: Simplifying ratios and dividing quantities in given ratios.
• Rates: Understanding rates as special ratios and solving rate problems.
• Direct Proportions: Defining direct proportionality and solving related problems.
• Indirect Proportions: Defining indirect proportionality and solving related problems.
• Proportion Problem Solving: Solving mixed problems involving direct and indirect proportions.
• Financial Literacy I: Solving problems involving wages, salaries, and income tax.
• Financial Literacy II: Solving simple interest problems.
• Geometry:
• Index Notation and the Laws of Indices: Understanding index notation and applying the laws of indices.
• Application of the Laws of Indices: Simplifying expressions using the laws of indices.
• Indices with Negative Powers: Working with negative indices.
• Indices with Fractional Powers: Working with fractional indices and roots.
• Multiplying and Dividing Indices with Fractional Powers: Applying operations to indices with fractional powers.
• Multiplying and Dividing by Powers of 10: Performing operations with powers of 10.
• Standard Form of Large Numbers: Writing large numbers in standard form (scientific notation).
• Standard Form of Small Numbers: Writing small numbers in standard form.
• Conversion to and from Standard Form: Converting numbers between standard form and ordinary form.
• Multiplying and Dividing Small and Large Numbers: Performing operations with numbers in standard form.
• Right-angled Triangles (Revision): Reviewing properties of right-angled triangles.
• Introduction to Pythagoras' Theorem: Understanding and applying Pythagoras' theorem.
• Finding the Hypotenuse of a Right-Angled Triangle: Using Pythagoras' theorem to find the hypotenuse.
• Finding the Other Sides of a Right-Angled Triangle: Using Pythagoras' theorem to find the other sides.
• Applying Pythagoras' Theorem: Solving word problems using Pythagoras' theorem.