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SCHEME OF WORK
Mathematics
Form 3 2025
TERM III
School


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WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
2 1
Vectors (II)
Magnitude of a vector in three dimensions
By the end of the lesson, the learner should be able to:
Calculate the magnitude of a vector in three dimensions
Apply the 3D magnitude formula systematically
Find vector lengths in spatial contexts
Solve magnitude problems accurately
Q/A on 3D magnitude using extended Pythagorean methods
Discussions on spatial distance calculation using 3D techniques
Solving 3D magnitude problems using systematic calculation
Demonstrations using 3D distance examples
Explaining 3D magnitude using practical spatial examples
Chalk and blackboard, 3D measurement aids, exercise books
KLB Mathematics Book Three Pg 229-230
2 2
Vectors (II)
Magnitude of a vector in three dimensions
By the end of the lesson, the learner should be able to:
Calculate the magnitude of a vector in three dimensions
Apply the 3D magnitude formula systematically
Find vector lengths in spatial contexts
Solve magnitude problems accurately
Q/A on 3D magnitude using extended Pythagorean methods
Discussions on spatial distance calculation using 3D techniques
Solving 3D magnitude problems using systematic calculation
Demonstrations using 3D distance examples
Explaining 3D magnitude using practical spatial examples
Chalk and blackboard, 3D measurement aids, exercise books
KLB Mathematics Book Three Pg 229-230
2 3
Vectors (II)
Magnitude applications and unit vectors
By the end of the lesson, the learner should be able to:
Calculate the magnitude of a vector in three dimensions
Find unit vectors from given vectors
Apply magnitude concepts to practical problems
Use magnitude in vector normalization
Q/A on magnitude and unit vector relationships
Discussions on normalization and direction finding
Solving magnitude and unit vector problems
Demonstrations using direction and length separation
Explaining practical applications using navigation examples
Chalk and blackboard, direction finding aids, exercise books
KLB Mathematics Book Three Pg 229-230
2 4
Vectors (II)
Parallel vectors
By the end of the lesson, the learner should be able to:
Identify parallel vectors
Determine when vectors are parallel
Apply parallel vector properties
Use scalar multiples in parallel relationships
Q/A on parallel identification using scalar multiple methods
Discussions on parallel relationships using geometric examples
Solving parallel vector problems using systematic testing
Demonstrations using parallel line and direction examples
Explaining parallel concepts using geometric reasoning
Chalk and blackboard, parallel line demonstrations, exercise books
KLB Mathematics Book Three Pg 231-232
2 5
Vectors (II)
Parallel vectors
By the end of the lesson, the learner should be able to:
Identify parallel vectors
Determine when vectors are parallel
Apply parallel vector properties
Use scalar multiples in parallel relationships
Q/A on parallel identification using scalar multiple methods
Discussions on parallel relationships using geometric examples
Solving parallel vector problems using systematic testing
Demonstrations using parallel line and direction examples
Explaining parallel concepts using geometric reasoning
Chalk and blackboard, parallel line demonstrations, exercise books
KLB Mathematics Book Three Pg 231-232
2 6
Vectors (II)
Collinearity
By the end of the lesson, the learner should be able to:
Show that points are collinear
Apply vector methods to prove collinearity
Test for collinear points using vector techniques
Solve collinearity problems systematically
Q/A on collinearity testing using vector proportion methods
Discussions on point alignment using vector analysis
Solving collinearity problems using systematic verification
Demonstrations using straight-line point examples
Explaining collinearity using geometric alignment concepts
Chalk and blackboard, straight-line demonstrations, exercise books
KLB Mathematics Book Three Pg 232-234
2 7
Vectors (II)
Advanced collinearity applications
By the end of the lesson, the learner should be able to:
Show that points are collinear
Apply collinearity to complex geometric problems
Integrate parallel and collinearity concepts
Solve advanced alignment problems
Q/A on advanced collinearity using complex scenarios
Discussions on geometric proof using vector methods
Solving challenging collinearity problems
Demonstrations using complex geometric constructions
Explaining advanced applications using comprehensive examples
Chalk and blackboard, complex geometric aids, exercise books
KLB Mathematics Book Three Pg 232-234
3 1
Vectors (II)
Proportional division of a line
By the end of the lesson, the learner should be able to:
Divide a line internally in the given ratio
Apply the internal division formula
Calculate division points using vector methods
Understand proportional division concepts
Q/A on internal division using systematic formula application
Discussions on ratio division using proportional methods
Solving internal division problems using organized approaches
Demonstrations using internal point construction examples
Explaining internal division using geometric visualization
Chalk and blackboard, internal division models, exercise books
KLB Mathematics Book Three Pg 237-238
3 2
Vectors (II)
Proportional division of a line
By the end of the lesson, the learner should be able to:
Divide a line internally in the given ratio
Apply the internal division formula
Calculate division points using vector methods
Understand proportional division concepts
Q/A on internal division using systematic formula application
Discussions on ratio division using proportional methods
Solving internal division problems using organized approaches
Demonstrations using internal point construction examples
Explaining internal division using geometric visualization
Chalk and blackboard, internal division models, exercise books
KLB Mathematics Book Three Pg 237-238
3 3
Vectors (II)
External division of a line
By the end of the lesson, the learner should be able to:
Divide a line externally in the given ratio
Apply the external division formula
Distinguish between internal and external division
Solve external division problems accurately
Q/A on external division using systematic formula application
Discussions on external point calculation using vector methods
Solving external division problems using careful approaches
Demonstrations using external point construction examples
Explaining external division using extended line concepts
Chalk and blackboard, external division models, exercise books
KLB Mathematics Book Three Pg 238-239
3 4
Vectors (II)
External division of a line
By the end of the lesson, the learner should be able to:
Divide a line externally in the given ratio
Apply the external division formula
Distinguish between internal and external division
Solve external division problems accurately
Q/A on external division using systematic formula application
Discussions on external point calculation using vector methods
Solving external division problems using careful approaches
Demonstrations using external point construction examples
Explaining external division using extended line concepts
Chalk and blackboard, external division models, exercise books
KLB Mathematics Book Three Pg 238-239
3 5
Vectors (II)
Combined internal and external division
By the end of the lesson, the learner should be able to:
Divide a line internally and externally in the given ratio
Apply both division formulas systematically
Compare internal and external division results
Handle mixed division problems
Q/A on combined division using comparative methods
Discussions on division type selection using problem analysis
Solving combined division problems using systematic approaches
Demonstrations using both division types
Explaining division relationships using geometric reasoning
Chalk and blackboard, combined division models, exercise books
KLB Mathematics Book Three Pg 239
3 6
Vectors (II)
Ratio theorem
By the end of the lesson, the learner should be able to:
Express position vectors
Apply the ratio theorem to geometric problems
Use ratio theorem in complex calculations
Find position vectors using ratio relationships
Q/A on ratio theorem application using systematic methods
Discussions on position vector calculation using ratio methods
Solving ratio theorem problems using organized approaches
Demonstrations using ratio-based position finding
Explaining theorem applications using logical reasoning
Chalk and blackboard, ratio theorem aids, exercise books
KLB Mathematics Book Three Pg 240-242
3 7
Vectors (II)
Ratio theorem
By the end of the lesson, the learner should be able to:
Express position vectors
Apply the ratio theorem to geometric problems
Use ratio theorem in complex calculations
Find position vectors using ratio relationships
Q/A on ratio theorem application using systematic methods
Discussions on position vector calculation using ratio methods
Solving ratio theorem problems using organized approaches
Demonstrations using ratio-based position finding
Explaining theorem applications using logical reasoning
Chalk and blackboard, ratio theorem aids, exercise books
KLB Mathematics Book Three Pg 240-242
4 1
Vectors (II)
Applications of vectors in geometry
By the end of the lesson, the learner should be able to:
Use vectors to show the diagonals of a parallelogram
Apply vector methods to geometric proofs
Demonstrate parallelogram properties using vectors
Solve geometric problems using vector techniques
Q/A on geometric proof using vector methods
Discussions on parallelogram properties using vector analysis
Solving geometric problems using systematic vector techniques
Demonstrations using vector-based geometric constructions
Explaining geometric relationships using vector reasoning
Chalk and blackboard, parallelogram models, exercise books
KLB Mathematics Book Three Pg 248-249
4 2
Vectors (II)
Rectangle diagonal applications
By the end of the lesson, the learner should be able to:
Use vectors to show the diagonals of a rectangle
Apply vector methods to rectangle properties
Prove rectangle theorems using vectors
Compare parallelogram and rectangle diagonal properties
Q/A on rectangle properties using vector analysis
Discussions on diagonal relationships using vector methods
Solving rectangle problems using systematic approaches
Demonstrations using rectangle constructions and vector proofs
Explaining rectangle properties using vector reasoning
Chalk and blackboard, rectangle models, exercise books
KLB Mathematics Book Three Pg 248-250
4 3
Vectors (II)
Rectangle diagonal applications
By the end of the lesson, the learner should be able to:
Use vectors to show the diagonals of a rectangle
Apply vector methods to rectangle properties
Prove rectangle theorems using vectors
Compare parallelogram and rectangle diagonal properties
Q/A on rectangle properties using vector analysis
Discussions on diagonal relationships using vector methods
Solving rectangle problems using systematic approaches
Demonstrations using rectangle constructions and vector proofs
Explaining rectangle properties using vector reasoning
Chalk and blackboard, rectangle models, exercise books
KLB Mathematics Book Three Pg 248-250
4 4
Probability
Introduction
By the end of the lesson, the learner should be able to:
Calculate the experimental probability
Understand probability concepts in daily life
Distinguish between certain and uncertain events
Recognize probability situations
Q/A on uncertain events from daily life experiences
Discussions on weather prediction and game outcomes
Analyzing chance events using coin tossing and dice rolling
Demonstrations using simple probability experiments
Explaining probability language using familiar examples
Chalk and blackboard, coins, dice made from cardboard, exercise books
KLB Mathematics Book Three Pg 262-264
4 5
Probability
Experimental Probability
By the end of the lesson, the learner should be able to:
Calculate the experimental probability
Conduct probability experiments systematically
Record and analyze experimental data
Compare experimental results with expectations
Q/A on frequency counting using repeated experiments
Discussions on trial repetition and result recording
Solving experimental probability problems using data collection
Demonstrations using coin toss and dice roll experiments
Explaining frequency ratio calculations using practical examples
Chalk and blackboard, coins, cardboard dice, tally charts, exercise books
KLB Mathematics Book Three Pg 262-264
4 6
Probability
Experimental Probability
By the end of the lesson, the learner should be able to:
Calculate the experimental probability
Conduct probability experiments systematically
Record and analyze experimental data
Compare experimental results with expectations
Q/A on frequency counting using repeated experiments
Discussions on trial repetition and result recording
Solving experimental probability problems using data collection
Demonstrations using coin toss and dice roll experiments
Explaining frequency ratio calculations using practical examples
Chalk and blackboard, coins, cardboard dice, tally charts, exercise books
KLB Mathematics Book Three Pg 262-264
4 7
Probability
Experimental Probability applications
By the end of the lesson, the learner should be able to:
Calculate the experimental probability
Apply experimental methods to various scenarios
Handle large sample experiments
Analyze experimental probability patterns
Q/A on advanced experimental techniques using extended trials
Discussions on sample size effects using comparative data
Solving complex experimental problems using systematic methods
Demonstrations using extended experimental procedures
Explaining pattern analysis using accumulated data
Chalk and blackboard, extended experimental materials, data recording sheets, exercise books
KLB Mathematics Book Three Pg 262-264
5 1
Probability
Range of Probability Measure
By the end of the lesson, the learner should be able to:
Calculate the range of probability measure
Express probabilities on scale from 0 to 1
Convert between fractions, decimals, and percentages
Interpret probability values correctly
Q/A on probability scale using number line representations
Discussions on probability conversion between forms
Solving probability scale problems using systematic methods
Demonstrations using probability line and scale examples
Explaining scale interpretation using practical scenarios
Chalk and blackboard, number line drawings, probability scale charts, exercise books
KLB Mathematics Book Three Pg 265-266
5 2
Probability
Range of Probability Measure
By the end of the lesson, the learner should be able to:
Calculate the range of probability measure
Express probabilities on scale from 0 to 1
Convert between fractions, decimals, and percentages
Interpret probability values correctly
Q/A on probability scale using number line representations
Discussions on probability conversion between forms
Solving probability scale problems using systematic methods
Demonstrations using probability line and scale examples
Explaining scale interpretation using practical scenarios
Chalk and blackboard, number line drawings, probability scale charts, exercise books
KLB Mathematics Book Three Pg 265-266
5 3
Probability
Probability Space
By the end of the lesson, the learner should be able to:
Calculate the probability space for the theoretical probability
Define sample space systematically
List all possible outcomes
Apply sample space concepts
Q/A on outcome listing using systematic enumeration
Discussions on complete outcome identification
Solving sample space problems using organized listing
Demonstrations using dice, cards, and spinner examples
Explaining probability calculation using outcome counting
Chalk and blackboard, playing cards (locally made), spinners from cardboard, exercise books
KLB Mathematics Book Three Pg 266-267
5 4
Probability
Theoretical Probability
By the end of the lesson, the learner should be able to:
Calculate the probability space for the theoretical probability
Apply mathematical reasoning to find probabilities
Use equally likely outcome assumptions
Calculate theoretical probabilities systematically
Q/A on theoretical calculation using mathematical principles
Discussions on equally likely assumptions and calculations
Solving theoretical problems using systematic approaches
Demonstrations using fair dice and unbiased coin examples
Explaining mathematical probability using logical reasoning
Chalk and blackboard, fair dice and coins, probability calculation aids, exercise books
KLB Mathematics Book Three Pg 266-268
5 5
Probability
Theoretical Probability
By the end of the lesson, the learner should be able to:
Calculate the probability space for the theoretical probability
Apply mathematical reasoning to find probabilities
Use equally likely outcome assumptions
Calculate theoretical probabilities systematically
Q/A on theoretical calculation using mathematical principles
Discussions on equally likely assumptions and calculations
Solving theoretical problems using systematic approaches
Demonstrations using fair dice and unbiased coin examples
Explaining mathematical probability using logical reasoning
Chalk and blackboard, fair dice and coins, probability calculation aids, exercise books
KLB Mathematics Book Three Pg 266-268
5 6
Probability
Theoretical Probability advanced
By the end of the lesson, the learner should be able to:
Calculate the probability space for the theoretical probability
Apply theoretical probability to complex problems
Handle multiple outcome scenarios
Solve advanced theoretical problems
Q/A on advanced theoretical applications using complex scenarios
Discussions on multiple outcome analysis using systematic methods
Solving challenging theoretical problems using organized approaches
Demonstrations using complex probability setups
Explaining advanced theoretical concepts using detailed reasoning
Chalk and blackboard, complex probability materials, advanced calculation aids, exercise books
KLB Mathematics Book Three Pg 268-270
5 7
Probability
Theoretical Probability applications
By the end of the lesson, the learner should be able to:
Calculate the probability space for the theoretical probability
Apply theoretical concepts to real situations
Solve practical probability problems
Interpret results in meaningful contexts
Q/A on practical probability using local examples
Discussions on real-world applications using community scenarios
Solving application problems using theoretical methods
Demonstrations using local games and practical situations
Explaining practical interpretation using meaningful contexts
Chalk and blackboard, local game examples, practical scenario materials, exercise books
KLB Mathematics Book Three Pg 268-270
6 1
Probability
Combined Events
By the end of the lesson, the learner should be able to:
Find the probability of a combined events
Understand compound events and combinations
Distinguish between different event types
Apply basic combination rules
Q/A on event combination using practical examples
Discussions on exclusive and inclusive event identification
Solving basic combined event problems using visual methods
Demonstrations using card drawing and dice rolling combinations
Explaining combination principles using Venn diagrams
Chalk and blackboard, playing cards, multiple dice, Venn diagram drawings, exercise books
KLB Mathematics Book Three Pg 272-273
6 2
Probability
Combined Events
By the end of the lesson, the learner should be able to:
Find the probability of a combined events
Understand compound events and combinations
Distinguish between different event types
Apply basic combination rules
Q/A on event combination using practical examples
Discussions on exclusive and inclusive event identification
Solving basic combined event problems using visual methods
Demonstrations using card drawing and dice rolling combinations
Explaining combination principles using Venn diagrams
Chalk and blackboard, playing cards, multiple dice, Venn diagram drawings, exercise books
KLB Mathematics Book Three Pg 272-273
6 3
Probability
Combined Events OR probability
By the end of the lesson, the learner should be able to:
Find the probability of a combined events
Apply addition rule for OR events
Calculate "A or B" probabilities
Handle mutually exclusive events
Q/A on addition rule application using systematic methods
Discussions on mutually exclusive identification and calculation
Solving OR probability problems using organized approaches
Demonstrations using card selection and event combination
Explaining addition rule logic using Venn diagrams
Chalk and blackboard, Venn diagram materials, card examples, exercise books
KLB Mathematics Book Three Pg 272-274
6 4
Probability
Combined Events OR probability
By the end of the lesson, the learner should be able to:
Find the probability of a combined events
Apply addition rule for OR events
Calculate "A or B" probabilities
Handle mutually exclusive events
Q/A on addition rule application using systematic methods
Discussions on mutually exclusive identification and calculation
Solving OR probability problems using organized approaches
Demonstrations using card selection and event combination
Explaining addition rule logic using Venn diagrams
Chalk and blackboard, Venn diagram materials, card examples, exercise books
KLB Mathematics Book Three Pg 272-274
6 5
Probability
Independent Events
By the end of the lesson, the learner should be able to:
Find the probability of independent events
Apply multiplication rule for independent events
Calculate "A and B" probabilities
Understand independence concepts
Q/A on multiplication rule using independent event examples
Discussions on independence identification and verification
Solving AND probability problems using systematic calculation
Demonstrations using multiple coin tosses and dice combinations
Explaining multiplication rule using logical reasoning
Chalk and blackboard, multiple coins and dice, independence demonstration materials, exercise books
KLB Mathematics Book Three Pg 274-275
6 6
Probability
Independent Events advanced
By the end of the lesson, the learner should be able to:
Find the probability of independent events
Distinguish between independent and dependent events
Apply conditional probability concepts
Handle complex independence scenarios
Q/A on independence verification using mathematical methods
Discussions on dependence concepts using card drawing examples
Solving dependent and independent event problems using systematic approaches
Demonstrations using replacement and non-replacement scenarios
Explaining conditional probability using practical examples
Chalk and blackboard, playing cards for replacement scenarios, multiple experimental setups, exercise books
KLB Mathematics Book Three Pg 276-278
6 7
Probability
Independent Events advanced
By the end of the lesson, the learner should be able to:
Find the probability of independent events
Distinguish between independent and dependent events
Apply conditional probability concepts
Handle complex independence scenarios
Q/A on independence verification using mathematical methods
Discussions on dependence concepts using card drawing examples
Solving dependent and independent event problems using systematic approaches
Demonstrations using replacement and non-replacement scenarios
Explaining conditional probability using practical examples
Chalk and blackboard, playing cards for replacement scenarios, multiple experimental setups, exercise books
KLB Mathematics Book Three Pg 276-278
7 1
Probability
Independent Events applications
By the end of the lesson, the learner should be able to:
Find the probability of independent events
Apply independence to practical problems
Solve complex multi-event scenarios
Integrate independence with other concepts
Q/A on complex event analysis using systematic problem-solving
Discussions on rule selection and application strategies
Solving advanced combined problems using integrated approaches
Demonstrations using complex experimental scenarios
Explaining strategic problem-solving using logical analysis
Chalk and blackboard, complex experimental materials, advanced calculation aids, exercise books
KLB Mathematics Book Three Pg 278-280
7 2
Probability
Tree Diagrams
By the end of the lesson, the learner should be able to:
Draw tree diagrams to show the probability space
Construct tree diagrams systematically
Represent sequential events using trees
Apply tree diagram methods
Q/A on tree construction using step-by-step methods
Discussions on sequential event representation
Solving basic tree diagram problems using systematic drawing
Demonstrations using branching examples and visual organization
Explaining tree structure using logical branching principles
Chalk and blackboard, tree diagram templates, branching materials, exercise books
KLB Mathematics Book Three Pg 282
7 3
Probability
Tree Diagrams
By the end of the lesson, the learner should be able to:
Draw tree diagrams to show the probability space
Construct tree diagrams systematically
Represent sequential events using trees
Apply tree diagram methods
Q/A on tree construction using step-by-step methods
Discussions on sequential event representation
Solving basic tree diagram problems using systematic drawing
Demonstrations using branching examples and visual organization
Explaining tree structure using logical branching principles
Chalk and blackboard, tree diagram templates, branching materials, exercise books
KLB Mathematics Book Three Pg 282
7 4
Probability
Tree Diagrams advanced
By the end of the lesson, the learner should be able to:
Use tree diagrams to find probability
Apply trees to multi-stage problems
Handle complex sequential events
Calculate final probabilities using trees
Q/A on complex tree application using multi-stage examples
Discussions on replacement scenario handling
Solving complex tree problems using systematic calculation
Demonstrations using detailed tree constructions
Explaining systematic probability calculation using tree methods
Chalk and blackboard, complex tree examples, detailed calculation aids, exercise books
KLB Mathematics Book Three Pg 283-285
7 5
Matrices and Transformation
Matrices of Transformation
By the end of the lesson, the learner should be able to:

-Define transformation and identify types
-Recognize that matrices can represent transformations
-Apply 2×2 matrices to position vectors
-Relate matrix operations to geometric transformations

-Review transformation concepts from Form 2
-Demonstrate matrix multiplication using position vectors
-Plot objects and images on coordinate plane
-Practice identifying transformations from images
Exercise books
-Manila paper
-Ruler
-Pencils
KLB Secondary Mathematics Form 4, Pages 1-5
7 6
Matrices and Transformation
Identifying Common Transformation Matrices
Finding the Matrix of a Transformation
By the end of the lesson, the learner should be able to:

-Identify matrices for reflection, rotation, enlargement
-Describe transformations represented by given matrices
-Apply identity matrix and understand its effect
-Distinguish between different types of transformations

-Use unit square drawn on paper to identify transformations
-Practice with specific matrices like (0 1; 1 0), (-1 0; 0 1)
-Draw objects and images under various transformations
-Q&A on transformation properties
Exercise books
-Manila paper
-Ruler
-String
-Chalk/markers
KLB Secondary Mathematics Form 4, Pages 1-5
7 7
Matrices and Transformation
Using the Unit Square Method
By the end of the lesson, the learner should be able to:

-Use unit square to find transformation matrices
-Read matrix elements directly from unit square images
-Apply unit square method to various transformations
-Compare unit square method with algebraic method

-Demonstrate unit square method systematically
-Practice reading transformation matrices from diagrams
-Apply method to reflections, rotations, enlargements
-Compare efficiency of different methods
Exercise books
-Manila paper
-Ruler
-String
KLB Secondary Mathematics Form 4, Pages 6-16
8-9

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