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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
1

SCHOOL OPENING AND REPORTING

1 3
Approximations and Errors
Computing using calculators
By the end of the lesson, the learner should be able to:
Solve basic operations using calculators
Use calculator functions effectively
Apply calculator to mathematical computations
Q/A on calculator familiarity
Discussions on calculator operations
Solving basic arithmetic problems
Demonstrations of calculator functions
Explaining proper calculator usage
Calculators, operation guides
KLB Mathematics Book Three Pg 24-26
1 4
Approximations and Errors
Computing using calculators
Approximation
By the end of the lesson, the learner should be able to:
Solve basic operations using calculators
Perform complex calculations accurately
Verify calculator results
Q/A on calculator accuracy
Discussions on verification methods
Solving complex computational problems
Demonstrations of result checking
Explaining calculation verification
Calculators, verification worksheets
Calculators, rounding charts
KLB Mathematics Book Three Pg 26-28
1 5
Approximations and Errors
Estimation
By the end of the lesson, the learner should be able to:
Approximate values by truncation
Estimate values using appropriate methods
Compare estimation techniques
Q/A on estimation strategies
Discussions on truncation vs rounding
Solving estimation problems
Demonstrations of truncation methods
Explaining when to use different techniques
Calculators, estimation guides
KLB Mathematics Book Three Pg 30
1 6
Approximations and Errors
Accuracy and errors
By the end of the lesson, the learner should be able to:
Find the absolute error
Calculate relative error
Distinguish between different error types
Q/A on error concepts
Discussions on error calculations
Solving absolute and relative error problems
Demonstrations of error computation
Explaining error significance
Calculators, error calculation sheets
KLB Mathematics Book Three Pg 31-32
1 7
Approximations and Errors
Percentage error
Rounding off error and truncation error
By the end of the lesson, the learner should be able to:
Find the percentage error of a given value
Calculate percentage error accurately
Interpret percentage error results
Q/A on percentage concepts
Discussions on percentage error meaning
Solving percentage error problems
Demonstrations of percentage calculations
Explaining error interpretation
Calculators, percentage error worksheets
Calculators, error comparison charts
KLB Mathematics Book Three Pg 32-34
2 1
Approximations and Errors
Propagation of errors
By the end of the lesson, the learner should be able to:
Find the propagation of errors in addition and subtraction
Calculate combined errors
Apply error propagation rules
Q/A on error propagation concepts
Discussions on addition/subtraction errors
Solving error propagation problems
Demonstrations of error combination
Explaining propagation principles
Calculators, error propagation guides
KLB Mathematics Book Three Pg 35-36
2 2
Approximations and Errors
Propagation of errors
By the end of the lesson, the learner should be able to:
Find the propagation of errors in addition and subtraction
Apply error propagation to complex problems
Verify error calculations
Q/A on propagation mastery
Discussions on complex error scenarios
Solving advanced propagation problems
Demonstrations of verification methods
Explaining error validation
Calculators, verification worksheets
KLB Mathematics Book Three Pg 35-36
2 3
Approximations and Errors
Propagation of errors in multiplication
By the end of the lesson, the learner should be able to:
Find the propagation of errors in multiplication
Calculate relative errors in products
Apply multiplication error rules
Q/A on multiplication error concepts
Discussions on product error calculation
Solving multiplication error problems
Demonstrations of relative error computation
Explaining multiplication error principles
Calculators, multiplication error guides
Calculators, method comparison charts
KLB Mathematics Book Three Pg 36-37
2 4
Approximations and Errors
Propagation of errors in division
By the end of the lesson, the learner should be able to:
Find the propagation of errors in division
Calculate errors in quotients
Apply division error rules
Q/A on division error concepts
Discussions on quotient error calculation
Solving division error problems
Demonstrations of division error methods
Explaining division error principles
Calculators, division error worksheets
KLB Mathematics Book Three Pg 37-38
2 5
Approximations and Errors
Propagation of errors in division
By the end of the lesson, the learner should be able to:
Find the propagation of errors in division
Solve complex division error problems
Verify division error calculations
Q/A on division error mastery
Discussions on complex division scenarios
Solving advanced division error problems
Demonstrations of error verification
Explaining accuracy in division errors
Calculators, verification guides
KLB Mathematics Book Three Pg 37-38
2 6
Approximations and Errors
Surds
Word problems
Rational and irrational numbers
By the end of the lesson, the learner should be able to:
Find the propagation of errors of a word problem
Apply error analysis to real-world situations
Solve comprehensive error problems
Q/A on chapter consolidation
Discussions on real-world applications
Solving comprehensive word problems
Demonstrations of problem-solving strategies
Explaining practical error analysis
Calculators, word problem sets, comprehensive review sheets
Calculators, number classification charts
KLB Mathematics Book Three Pg 39-40
2 7
Surds
Order of surds and simplification
By the end of the lesson, the learner should be able to:
State the order of surds
Identify surd orders correctly
Simplify surds to lowest terms
Q/A on surd definition and properties
Discussions on surd order concepts
Solving order identification problems
Demonstrations of surd simplification
Explaining simplification techniques
Calculators, surd order examples
KLB Mathematics Book Three Pg 78-79
3 1
Surds
Simplification of surds practice
By the end of the lesson, the learner should be able to:
Simplify surds using factorization
Express surds in simplest form
Apply systematic simplification methods
Q/A on factorization techniques
Discussions on factor identification
Solving extensive simplification problems
Demonstrations of step-by-step methods
Explaining perfect square extraction
Calculators, factor trees, simplification worksheets
KLB Mathematics Book Three Pg 79-80
3 2
Surds
Addition of surds
Subtraction of surds
By the end of the lesson, the learner should be able to:
Add surds with like terms
Combine surds of the same order
Simplify surd addition expressions
Q/A on like term concepts
Discussions on surd addition rules
Solving addition problems systematically
Demonstrations of combining techniques
Explaining when surds can be added
Calculators, addition rule charts
Calculators, subtraction worksheets
KLB Mathematics Book Three Pg 79-80
3 3
Surds
Multiplication of surds
By the end of the lesson, the learner should be able to:
Multiply surds of the same order
Apply multiplication rules to surds
Simplify products of surds
Q/A on multiplication concepts
Discussions on surd multiplication laws
Solving multiplication problems
Demonstrations of product simplification
Explaining multiplication principles
Calculators, multiplication rule guides
KLB Mathematics Book Three Pg 80-82
3 4
Surds
Division of surds
By the end of the lesson, the learner should be able to:
Divide surds of the same order
Apply division rules to surds
Simplify quotients of surds
Q/A on division concepts
Discussions on surd division methods
Solving division problems systematically
Demonstrations of quotient simplification
Explaining division techniques
Calculators, division worksheets
KLB Mathematics Book Three Pg 81-82
3 5
Surds
Rationalizing the denominator
Advanced rationalization techniques
By the end of the lesson, the learner should be able to:
Rationalize the denominator of fractions
Apply rationalization techniques
Simplify expressions with surd denominators
Q/A on rationalization concepts
Discussions on denominator clearing
Solving rationalization problems
Demonstrations of conjugate methods
Explaining rationalization importance
Calculators, rationalization guides
Calculators, advanced technique sheets
KLB Mathematics Book Three Pg 85-87
3 6
Commercial Arithmetic
Appreciation
By the end of the lesson, the learner should be able to:
Calculate the appreciation value of items
Apply appreciation concepts
Solve appreciation problems
Q/A on appreciation concepts
Discussions on asset value increases
Solving appreciation calculation problems
Demonstrations of value growth
Explaining appreciation applications
Calculators, appreciation examples
KLB Mathematics Book Three Pg 108
3 7
Commercial Arithmetic
Depreciation
By the end of the lesson, the learner should be able to:
Calculate the depreciation value of items
Apply depreciation methods
Solve depreciation problems
Q/A on depreciation concepts and methods
Discussions on asset value decreases
Solving depreciation calculation problems
Demonstrations of depreciation methods
Explaining business depreciation
Calculators, depreciation charts
KLB Mathematics Book Three Pg 109
4 1
Commercial Arithmetic
Hire purchase
By the end of the lesson, the learner should be able to:
Find the hire purchase
Calculate hire purchase terms
Understand hire purchase concepts
Q/A on hire purchase principles
Discussions on installment buying
Solving basic hire purchase problems
Demonstrations of payment calculations
Explaining hire purchase benefits
Calculators, hire purchase examples
Calculators, complex hire purchase worksheets
KLB Mathematics Book Three Pg 110-112
4 2
Commercial Arithmetic
Income tax and P.A.Y.E
By the end of the lesson, the learner should be able to:
Calculate the income tax
Calculate the P.A.Y.E
Apply tax calculation methods
Q/A on tax system concepts
Discussions on income tax and P.A.Y.E systems
Solving tax calculation problems
Demonstrations of tax computation
Explaining taxation principles
Income tax tables, calculators
KLB Mathematics Book Three Pg 112-117
4 3
Sequences and Series
Arithmetic sequences and nth term
By the end of the lesson, the learner should be able to:
Define arithmetic sequences and common differences
Calculate common differences correctly
Derive and apply the nth term formula
Solve problems using arithmetic sequence concepts
Q/A on arithmetic patterns using step-by-step examples
Discussions on constant difference patterns and formula derivation
Solving arithmetic sequence problems systematically
Demonstrations using equal-step progressions
Explaining formula structure using algebraic reasoning
Chalk and blackboard, measuring tape or string, exercise books
KLB Mathematics Book Three Pg 209-210
4 4
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
4 5
Sequences and Series
Geometric sequence applications
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
KLB Mathematics Book Three Pg 211-213
4 6
Sequences and Series
Arithmetic series and sum formula
By the end of the lesson, the learner should be able to:
Define arithmetic series as sums of sequences
Derive the sum formula for arithmetic series
Apply the arithmetic series formula systematically
Calculate sums efficiently using the formula
Q/A on series concepts using summation examples
Discussions on sequence-to-series relationships and formula derivation
Solving arithmetic series problems using step-by-step approach
Demonstrations using cumulative sum examples
Explaining derivation logic using algebraic reasoning
Chalk and blackboard, counting materials for summation, exercise books
KLB Mathematics Book Three Pg 214-215
4 7
Sequences and Series
Geometric series and applications
Mixed problems and advanced applications
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
KLB Mathematics Book Three Pg 216-219
5 1
Sequences and Series
Sequences in nature and technology
By the end of the lesson, the learner should be able to:
Identify mathematical patterns in natural phenomena
Analyze sequences in biological and technological contexts
Apply sequence concepts to environmental problems
Appreciate mathematics in the natural and modern world
Q/A on natural and technological patterns using examples
Discussions on biological sequences and digital applications
Solving nature and technology-based problems
Demonstrations using natural pattern examples
Explaining mathematical beauty using real phenomena
Chalk and blackboard, natural and technology examples, exercise books
KLB Mathematics Book Three Pg 207-219
5 2
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
5 3
Probability
Experimental Probability
Experimental Probability applications
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
Chalk and blackboard, extended experimental materials, data recording sheets, exercise books
KLB Mathematics Book Three Pg 262-264
5 4
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 5
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 6
Probability
Theoretical 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 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
Chalk and blackboard, complex probability materials, advanced calculation aids, exercise books
KLB Mathematics Book Three Pg 266-268
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 OR probability
Independent Events
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
Chalk and blackboard, multiple coins and dice, independence demonstration materials, exercise books
KLB Mathematics Book Three Pg 272-274
6 3
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 4
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
6 5
Probability
Tree Diagrams
Tree Diagrams advanced
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
Chalk and blackboard, complex tree examples, detailed calculation aids, exercise books
KLB Mathematics Book Three Pg 282
6 6
Compound Proportion and Rates of Work
Compound Proportions
By the end of the lesson, the learner should be able to:
Find the compound proportions
Understand compound proportion relationships
Apply compound proportion methods systematically
Solve problems involving multiple variables
Q/A on compound relationships using practical examples
Discussions on multiple variable situations using local scenarios
Solving compound proportion problems using systematic methods
Demonstrations using business and trade examples
Explaining compound proportion logic using step-by-step reasoning
Chalk and blackboard, local business examples, calculators if available, exercise books
KLB Mathematics Book Three Pg 288-290
6 7
Compound Proportion and Rates of Work
Compound Proportions applications
By the end of the lesson, the learner should be able to:
Find the compound proportions
Apply compound proportions to complex problems
Handle multi-step compound proportion scenarios
Solve real-world compound proportion problems
Q/A on advanced compound proportion using complex scenarios
Discussions on multi-variable relationships using practical contexts
Solving challenging compound problems using systematic approaches
Demonstrations using construction and farming examples
Explaining practical applications using community-based scenarios
Chalk and blackboard, construction/farming examples, exercise books
KLB Mathematics Book Three Pg 290-291
7 1
Compound Proportion and Rates of Work
Proportional Parts
Proportional Parts applications
By the end of the lesson, the learner should be able to:
Calculate the proportional parts
Understand proportional division concepts
Apply proportional parts to sharing problems
Solve distribution problems using proportional methods
Q/A on proportional sharing using practical examples
Discussions on fair distribution using ratio concepts
Solving proportional parts problems using systematic division
Demonstrations using sharing scenarios and inheritance examples
Explaining proportional distribution using logical reasoning
Chalk and blackboard, sharing demonstration materials, exercise books
Chalk and blackboard, business partnership examples, exercise books
KLB Mathematics Book Three Pg 291-293
7 2
Compound Proportion and Rates of Work
Rates of Work
By the end of the lesson, the learner should be able to:
Calculate the rate of work
Understand work rate relationships
Apply time-work-efficiency concepts
Solve basic rate of work problems
Q/A on work rate calculation using practical examples
Discussions on efficiency and time relationships using work scenarios
Solving basic rate of work problems using systematic methods
Demonstrations using construction and labor examples
Explaining work rate concepts using practical work situations
Chalk and blackboard, work scenario examples, exercise books
KLB Mathematics Book Three Pg 294-295
8

END OF YEAR EXAMINATION

9

MARKING, REPORT MAKING AND SCHOOL CLOSING


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