Home






SCHEME OF WORK
Mathematics
Form 3 2025
TERM III
School


To enable/disable signing area for H.O.D & Principal, click here to update signature status on your profile.




To enable/disable showing Teachers name and TSC Number, click here to update teacher details status on your profile.












Did you know that you can edit this scheme? Just click on the part you want to edit!!! (Shift+Enter creates a new line)


WK LSN TOPIC SUB-TOPIC OBJECTIVES T/L ACTIVITIES T/L AIDS REFERENCE REMARKS
1

OPENING OF SCHOOL AND REVISING OF LAST TERM EXAMS

2 1
Circles: Chords and Tangents
Length of an arc
By the end of the lesson, the learner should be able to:
Calculate the length of an arc
Apply arc length formula
Understand arc-radius relationships
Q/A on circle properties and terminology
Discussions on arc measurement concepts
Solving basic arc length problems
Demonstrations of formula application
Explaining arc-angle relationships
Geometrical set, calculators
KLB Mathematics Book Three Pg 124-125
2 2
Circles: Chords and Tangents
Length of an arc
Chords
By the end of the lesson, the learner should be able to:
Calculate the length of an arc
Solve complex arc length problems
Apply arc concepts to real situations
Q/A on advanced arc applications
Discussions on practical arc measurements
Solving complex arc problems
Demonstrations of real-world applications
Explaining engineering and design uses
Geometrical set, calculators
KLB Mathematics Book Three Pg 124-125
2 3
Circles: Chords and Tangents
Parallel chords
Equal chords
By the end of the lesson, the learner should be able to:
Calculate the perpendicular bisector
Find the value of parallel chords
Apply parallel chord properties
Q/A on parallel chord concepts
Discussions on perpendicular bisector properties
Solving parallel chord problems
Demonstrations of construction techniques
Explaining geometric relationships
Geometrical set, calculators
KLB Mathematics Book Three Pg 129-131
2 4
Circles: Chords and Tangents
Intersecting chords
Chord properties
By the end of the lesson, the learner should be able to:
Calculate the length of intersecting chords
Apply intersecting chord theorem
Understand chord intersection properties
Q/A on chord intersection concepts
Discussions on intersection theorem
Solving basic intersection problems
Demonstrations of theorem application
Explaining geometric proofs
Geometrical set, calculators
KLB Mathematics Book Three Pg 132-135
2 5
Circles: Chords and Tangents
Tangent to a circle
By the end of the lesson, the learner should be able to:
Construct a tangent to a circle
Understand tangent properties
Apply tangent construction methods
Q/A on tangent definition and properties
Discussions on tangent construction
Solving basic tangent problems
Demonstrations of construction techniques
Explaining tangent characteristics
Geometrical set, calculators
KLB Mathematics Book Three Pg 139-140
2 6
Circles: Chords and Tangents
Properties of tangents to a circle from an external point
Tangent properties
By the end of the lesson, the learner should be able to:
State the properties of tangents to a circle from an external point
Apply external tangent properties
Solve external tangent problems
Q/A on external tangent concepts
Discussions on tangent properties
Solving external tangent problems
Demonstrations of property applications
Explaining theoretical foundations
Geometrical set, calculators
KLB Mathematics Book Three Pg 142-144
2 7
Circles: Chords and Tangents
Tangents to two circles
By the end of the lesson, the learner should be able to:
Calculate the tangents of direct common tangents
Find direct common tangent properties
Apply two-circle tangent concepts
Q/A on two-circle tangent concepts
Discussions on direct tangent properties
Solving direct tangent problems
Demonstrations of construction methods
Explaining geometric relationships
Geometrical set, calculators
KLB Mathematics Book Three Pg 148-149
3 1
Circles: Chords and Tangents
Contact of circles
Circle contact
By the end of the lesson, the learner should be able to:
Calculate the radii of contact circles
Understand internal contact properties
Apply contact circle concepts
Q/A on circle contact concepts
Discussions on internal contact properties
Solving internal contact problems
Demonstrations of contact relationships
Explaining geometric principles
Geometrical set, calculators
KLB Mathematics Book Three Pg 151-153
3 2
Circles: Chords and Tangents
Angle in alternate segment
By the end of the lesson, the learner should be able to:
Calculate the angles in alternate segments
Apply alternate segment theorem
Understand segment angle properties
Q/A on alternate segment concepts
Discussions on segment angle relationships
Solving basic segment problems
Demonstrations of theorem application
Explaining geometric proofs
Geometrical set, calculators
KLB Mathematics Book Three Pg 157-160
3 3
Circles: Chords and Tangents
Circumscribed circle
Escribed circles
By the end of the lesson, the learner should be able to:
Construct circumscribed circles
Find circumscribed circle properties
Apply circumscription concepts
Q/A on circumscription concepts
Discussions on circumscribed circle construction
Solving circumscription problems
Demonstrations of construction techniques
Explaining circumscription applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 165
3 4
Circles: Chords and Tangents
Centroid
Orthocenter
Circle and triangle relationships
By the end of the lesson, the learner should be able to:
Construct centroid
Find centroid properties
Apply centroid concepts
Q/A on centroid definition and properties
Discussions on centroid construction
Solving centroid problems
Demonstrations of construction techniques
Explaining centroid applications
Geometrical set, calculators
KLB Mathematics Book Three Pg 166
3 5
Matrices
Introduction and real-life applications
Order of a matrix and elements
Square matrices, row and column matrices
Addition of matrices
By the end of the lesson, the learner should be able to:
Define matrices and identify matrix applications
Recognize matrices in everyday contexts
Understand tabular data representation
Appreciate the importance of matrices
Q/A on tabular data in daily life
Discussions on school exam results tables
Analyzing bus timetables and price lists
Demonstrations using newspaper sports tables
Explaining matrix notation using grid patterns
Old newspapers with league tables, chalk and blackboard, exercise books
Chalk and blackboard, ruled exercise books, class register
Paper cutouts, chalk and blackboard, counters or bottle tops
Counters or stones, chalk and blackboard, exercise books
KLB Mathematics Book Three Pg 168-169
3 6
Matrices
Subtraction of matrices
Combined addition and subtraction
Scalar multiplication
Introduction to matrix multiplication
Matrix multiplication (2×2 matrices)
By the end of the lesson, the learner should be able to:
Subtract matrices of the same order
Apply matrix subtraction rules correctly
Understand order requirements for subtraction
Solve complex matrix subtraction problems
Q/A on matrix subtraction using simple numbers
Discussions on element-wise subtraction using examples
Solving subtraction problems on blackboard
Demonstrations using number line concepts
Explaining sign changes using practical examples
Chalk and blackboard, exercise books, number cards made from cardboard
Chalk and blackboard, exercise books, locally made operation cards
Beans or stones for grouping, chalk and blackboard, exercise books
Chalk and blackboard, rulers for tracing, exercise books
Chalk and blackboard, exercise books, homemade grid templates
KLB Mathematics Book Three Pg 170-171
3 7
Matrices
Matrix multiplication (larger matrices)
Properties of matrix multiplication
By the end of the lesson, the learner should be able to:
Multiply matrices of various orders
Apply multiplication to 3×3 and larger matrices
Determine when multiplication is possible
Calculate products efficiently
Q/A on larger matrix multiplication using patterns
Discussions on efficiency techniques using shortcuts
Solving advanced problems using systematic methods
Demonstrations using organized calculation procedures
Explaining general principles using examples
Chalk and blackboard, large sheets of paper for working, exercise books
Chalk and blackboard, exercise books, cardboard for property cards
KLB Mathematics Book Three Pg 176-179
4 1
Matrices
Real-world matrix multiplication applications
Identity matrix
By the end of the lesson, the learner should be able to:
Apply matrix multiplication to practical problems
Solve business and economic applications
Calculate costs, revenues, and quantities
Interpret matrix multiplication results
Q/A on practical applications using local business examples
Discussions on market problems using familiar contexts
Solving real-world problems using matrix methods
Demonstrations using shop keeper scenarios
Explaining result interpretation using meaningful contexts
Chalk and blackboard, local price lists, exercise books
Chalk and blackboard, exercise books, pattern cards made from paper
KLB Mathematics Book Three Pg 176-179
4 2
Matrices
Determinant of 2×2 matrices
Inverse of 2×2 matrices - theory
Inverse of 2×2 matrices - practice
By the end of the lesson, the learner should be able to:
Calculate determinants of 2×2 matrices
Apply the determinant formula correctly
Understand geometric interpretation of determinants
Use determinants to classify matrices
Q/A on determinant calculation using cross multiplication
Discussions on formula application using memory aids
Solving determinant problems using systematic approach
Demonstrations using cross pattern method
Explaining geometric meaning using area concepts
Chalk and blackboard, exercise books, crossed sticks for demonstration
Chalk and blackboard, exercise books, fraction examples
Chalk and blackboard, exercise books, scrap paper for verification
KLB Mathematics Book Three Pg 183
4 3
Matrices
Introduction to solving simultaneous equations
Solving 2×2 simultaneous equations using matrices
By the end of the lesson, the learner should be able to:
Understand matrix representation of simultaneous equations
Identify coefficient and constant matrices
Set up matrix equations correctly
Recognize the structure of linear systems
Q/A on equation representation using familiar equations
Discussions on coefficient identification using examples
Solving setup problems using systematic approach
Demonstrations using equation breakdown method
Explaining structure using organized layout
Chalk and blackboard, exercise books, equation examples from previous topics
Chalk and blackboard, exercise books, previous elimination method examples
KLB Mathematics Book Three Pg 188-189
4 4
Matrices
Advanced simultaneous equation problems
Matrix applications in real-world problems
By the end of the lesson, the learner should be able to:
Solve complex simultaneous equation systems
Handle systems with no solution or infinite solutions
Interpret determinant values in solution context
Apply matrix methods to word problems
Q/A on complex systems using special cases
Discussions on solution types using geometric interpretation
Solving challenging problems using complete analysis
Demonstrations using classification methods
Explaining geometric meaning using line concepts
Chalk and blackboard, exercise books, graph paper if available
Chalk and blackboard, local business examples, exercise books
KLB Mathematics Book Three Pg 188-190
4 5
Matrices
Formulae and Variations
Transpose of matrices
Matrix equation solving
Introduction to formulae
By the end of the lesson, the learner should be able to:
Define and calculate matrix transpose
Understand transpose properties
Apply transpose operations correctly
Solve problems involving transpose
Q/A on transpose concepts using reflection ideas
Discussions on row-column interchange using visual methods
Solving transpose problems using systematic approach
Demonstrations using flip and rotate concepts
Explaining properties using symmetry ideas
Chalk and blackboard, exercise books, paper cutouts for demonstration
Chalk and blackboard, exercise books, algebra reference examples
Chalk and blackboard, measuring tape or string, exercise books
KLB Mathematics Book Three Pg 170-174
4 6
Formulae and Variations
Subject of a formula - basic cases
Subject of a formula - intermediate cases
By the end of the lesson, the learner should be able to:
Make simple variables the subject of formulae
Apply inverse operations to rearrange formulae
Understand the concept of subject change
Solve basic subject transformation problems
Q/A on inverse operations using number examples
Discussions on formula rearrangement using balance method
Solving basic subject change problems using step-by-step approach
Demonstrations using see-saw balance analogy
Explaining inverse operations using practical examples
Chalk and blackboard, simple balance (stones and stick), exercise books
Chalk and blackboard, fraction strips made from paper, exercise books
KLB Mathematics Book Three Pg 191-193
4 7
Formulae and Variations
Subject of a formula - advanced cases
Applications of formula manipulation
By the end of the lesson, the learner should be able to:
Make variables subject in complex formulae
Handle square roots and quadratic expressions
Apply advanced algebraic manipulation
Solve challenging subject transformation problems
Q/A on advanced manipulation using careful steps
Discussions on square root handling using examples
Solving complex problems using systematic approach
Demonstrations using detailed blackboard work
Explaining quadratic handling using factoring
Chalk and blackboard, squared paper patterns, exercise books
Chalk and blackboard, local measurement tools, exercise books
KLB Mathematics Book Three Pg 191-193
5 1
Formulae and Variations
Introduction to variation
Direct variation - introduction
By the end of the lesson, the learner should be able to:
Understand the concept of variation
Distinguish between variables and constants
Recognize variation in everyday situations
Identify different types of variation
Q/A on variable relationships using daily examples
Discussions on changing quantities in nature and commerce
Analyzing variation patterns using local market prices
Demonstrations using speed-time relationships
Explaining variation types using practical examples
Chalk and blackboard, local price lists from markets, exercise books
Chalk and blackboard, beans or stones for counting, exercise books
KLB Mathematics Book Three Pg 194-196
5 2
Sequences and Series
Introduction to sequences and finding terms
General term of sequences and applications
Arithmetic sequences and nth term
By the end of the lesson, the learner should be able to:
Define sequences and identify sequence patterns
Find next terms using established patterns
Recognize different types of sequence patterns
Apply pattern recognition systematically
Q/A on number patterns from daily life
Discussions on counting patterns using classroom arrangements
Solving pattern completion problems step-by-step
Demonstrations using bead or stone arrangements
Explaining sequence terminology and pattern continuation
Chalk and blackboard, stones or beans for patterns, exercise books
Chalk and blackboard, numbered cards made from paper, exercise books
Chalk and blackboard, measuring tape or string, exercise books
KLB Mathematics Book Three Pg 207-208
5 3
Sequences and Series
Arithmetic sequence applications
Geometric sequences and nth term
By the end of the lesson, the learner should be able to:
Solve complex arithmetic sequence problems
Apply arithmetic sequences to real-world problems
Handle word problems involving arithmetic sequences
Model practical situations using arithmetic progressions
Q/A on practical applications using local business examples
Discussions on salary progression and savings plans
Solving real-world problems using sequence methods
Demonstrations using employment and finance scenarios
Explaining practical interpretation using meaningful contexts
Chalk and blackboard, local employment/savings examples, exercise books
Chalk and blackboard, objects for doubling demonstrations, exercise books
KLB Mathematics Book Three Pg 209-210
5 4
Sequences and Series
Geometric sequence applications
Arithmetic series and sum formula
By the end of the lesson, the learner should be able to:
Solve complex geometric sequence problems
Apply geometric sequences to real-world problems
Handle population growth and depreciation problems
Model exponential patterns using sequences
Q/A on practical applications using population/growth examples
Discussions on exponential growth in nature and economics
Solving real-world problems using geometric methods
Demonstrations using population and business scenarios
Explaining practical interpretation using meaningful contexts
Chalk and blackboard, population/growth data examples, exercise books
Chalk and blackboard, counting materials for summation, exercise books
KLB Mathematics Book Three Pg 211-213
5 5
Sequences and Series
Geometric series and applications
Mixed problems and advanced applications
Sequences in nature and technology
By the end of the lesson, the learner should be able to:
Define geometric series and understand convergence
Derive and apply geometric series formulas
Handle finite and infinite geometric series
Apply geometric series to practical situations
Q/A on geometric series concepts using multiplication examples
Discussions on convergence and formula applications
Solving geometric series problems including infinite cases
Demonstrations using geometric sum patterns
Explaining convergence using practical examples
Chalk and blackboard, convergence demonstration materials, exercise books
Chalk and blackboard, mixed problem collections, exercise books
Chalk and blackboard, natural and technology examples, exercise books
KLB Mathematics Book Three Pg 216-219
5 6
Vectors (II)
Coordinates in two dimensions
Coordinates in three dimensions
By the end of the lesson, the learner should be able to:
Identify the coordinates of a point in two dimensions
Plot points on coordinate planes accurately
Understand position representation using coordinates
Apply coordinate concepts to practical situations
Q/A on coordinate identification using grid references
Discussions on map reading and location finding
Solving coordinate plotting problems using systematic methods
Demonstrations using classroom grid systems and floor patterns
Explaining coordinate applications using local maps and directions
Chalk and blackboard, squared paper or grid drawn on ground, exercise books
Chalk and blackboard, 3D models made from sticks and clay, exercise books
KLB Mathematics Book Three Pg 221-222
5 7
Vectors (II)
Column and position vectors in three dimensions
Position vectors and applications
By the end of the lesson, the learner should be able to:
Find a displacement and represent it in column vector
Calculate the position vector
Express vectors in column form
Apply column vector notation systematically
Q/A on displacement representation using movement examples
Discussions on vector notation using organized column format
Solving column vector problems using systematic methods
Demonstrations using physical movement and direction examples
Explaining vector components using practical displacement
Chalk and blackboard, movement demonstration space, exercise books
Chalk and blackboard, origin marking systems, exercise books
KLB Mathematics Book Three Pg 223-224
6 1
Vectors (II)
Column vectors in terms of unit vectors i, j, k
Vector operations using unit vectors
Magnitude of a vector in three dimensions
By the end of the lesson, the learner should be able to:
Express vectors in terms of unit vectors
Convert between column and unit vector notation
Understand the standard basis vector system
Apply unit vector representation systematically
Q/A on unit vector concepts using direction examples
Discussions on component representation using organized methods
Solving unit vector problems using systematic conversion
Demonstrations using perpendicular direction examples
Explaining basis vector concepts using coordinate axes
Chalk and blackboard, direction indicators, unit vector reference charts, exercise books
Chalk and blackboard, component calculation aids, exercise books
Chalk and blackboard, 3D measurement aids, exercise books
KLB Mathematics Book Three Pg 226-228
6 2
Vectors (II)
Magnitude applications and unit vectors
Parallel 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
Chalk and blackboard, parallel line demonstrations, exercise books
KLB Mathematics Book Three Pg 229-230
6 3
Vectors (II)
Collinearity
Advanced collinearity applications
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
Chalk and blackboard, complex geometric aids, exercise books
KLB Mathematics Book Three Pg 232-234
6 4
Vectors (II)
Proportional division of a line
External 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
Chalk and blackboard, external division models, exercise books
KLB Mathematics Book Three Pg 237-238
6 5
Vectors (II)
Combined internal and external division
Ratio theorem
Advanced ratio theorem applications
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
Chalk and blackboard, ratio theorem aids, exercise books
Chalk and blackboard, advanced ratio models, exercise books
KLB Mathematics Book Three Pg 239
6 6
Vectors (II)
Mid-point
Ratio theorem and midpoint integration
By the end of the lesson, the learner should be able to:
Find the mid-points of the given vectors
Apply midpoint formulas in vector contexts
Use midpoint concepts in geometric problems
Calculate midpoints systematically
Q/A on midpoint calculation using vector averaging methods
Discussions on midpoint applications using geometric examples
Solving midpoint problems using systematic approaches
Demonstrations using midpoint construction and calculation
Explaining midpoint concepts using practical examples
Chalk and blackboard, midpoint demonstration aids, exercise books
Chalk and blackboard, complex problem materials, exercise books
KLB Mathematics Book Three Pg 243
6 7
Vectors (II)
Advanced ratio theorem applications
Applications of vectors in geometry
Rectangle diagonal applications
Advanced geometric applications
By the end of the lesson, the learner should be able to:
Use ratio theorem to find the given vectors
Apply ratio theorem to challenging problems
Handle complex geometric applications
Demonstrate comprehensive ratio mastery
Q/A on comprehensive ratio understanding using advanced problems
Discussions on complex ratio relationships
Solving advanced ratio problems using systematic methods
Demonstrations using sophisticated geometric constructions
Explaining mastery using challenging applications
Chalk and blackboard, advanced geometric aids, exercise books
Chalk and blackboard, parallelogram models, exercise books
Chalk and blackboard, rectangle models, exercise books
Chalk and blackboard, advanced geometric models, exercise books
KLB Mathematics Book Three Pg 246-248
7-9

END TERM EXAMS, MARKING AND CLOSING OF SCHOOL


Your Name Comes Here


Download

Feedback