Video lessons
Watch a teacher explain the topic, then practise with past questions.
536 videos · 43 topics
- Indices and logarithms 39
- Number sets and properties 39
- Expansion, factorisation and change of subject 26
- Polynomial functions 15
- Quadratic equations 15
- Sequences and functions 14
- Circles and loci 12
- Linear equations and word problems 10
- Algebraic fractions and binary operations 9
- Arithmetic and geometric progressions 9
- Coordinate geometry: distance, midpoint and gradient 9
- Interest, depreciation and percentages 9
- Limits and differentiation 9
- Sets and binomial expansions 9
- Circle theorems and constructions 7
- Matrices 7
- Permutations, combinations and probability 6
- Trigonometric identities 6
- Trigonometry: right-angled triangles, elevation and depression 6
- Surds 5
- Fractions, decimals and percentages 4
- Linear inequalities and linear programming 4
- Simultaneous equations 4
- Angles, polygons and Pythagoras 3
- Sets and Venn diagrams 3
- Statistics: grouped data and cumulative frequency 3
- Angles, polygons and parallel lines 2
- Measures of dispersion 2
- Mensuration: circles, arcs and sectors 2
- Probability of combined events 2
- Variation 2
- Bearings and distances 1
- Graphs of quadratic functions 1
- Perimeter, area and volume 1
- Real numbers, approximation and significant figures 1
- Sequences, series and inequalities 1
- Vectors in two dimensions 1
- Math Olympiad problems 193
- Shortcuts, puzzles and challenges 27
- SAT preparation 12
- Teacher licensure exam preparation 3
- Mathematics in real life 2
- Revision shows 1
Indices and logarithms
Core Mathematics · SHS · 39 videos
Number sets and properties
Core Mathematics · SHS · 39 videos
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Simplifying Integers
Core Mathematics · SHS 1 · Otisam Mathematics
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Practical demonstration of inverse operation of Addition and Subtraction
Core Mathematics · SHS 1 · Otisam Mathematics
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Arithmetic challenge 03
Core Mathematics · SHS 1 · Otisam Mathematics
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Arithmetic Challenge – 02
Core Mathematics · SHS 1 · Otisam Mathematics
Expansion, factorisation and change of subject
Core Mathematics · SHS · 26 videos
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Application of factorization
Core Mathematics · SHS 1 · Otisam Mathematics
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How To Use Algebraic Expression To Solve Real Life Problems
Core Mathematics · SHS 1 · Otisam Mathematics
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Alg05 – Algebraic expression
Core Mathematics · SHS 1 · Otisam Mathematics
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Algebraic Expression – Alge04
Core Mathematics · SHS 1 · Otisam Mathematics
Polynomial functions
Elective Mathematics · SHS · 15 videos
Quadratic equations
Core Mathematics · SHS · 15 videos
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Quadratic equation – Qe04
Core Mathematics · SHS 2 · Otisam Mathematics
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Advance Quadratic equation – qe02
Core Mathematics · SHS 2 · Otisam Mathematics
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Qe01 – quadratic equation
Core Mathematics · SHS 2 · Otisam Mathematics
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Block 7 – Quadratic Equation – Quadratic simultaneous equation
Core Mathematics · SHS 2 · Otisam Mathematics
Sequences and functions
Elective Mathematics · SHS · 14 videos
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F01 – functions
Elective Mathematics · SHS 1 · Otisam Mathematics
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Lesson 4G – Likelily examination question
Elective Mathematics · SHS 1 · Otisam Mathematics
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Lesson 4F – Composite function
Elective Mathematics · SHS 1 · Otisam Mathematics
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Lesson 4E – Inverse function
Elective Mathematics · SHS 1 · Otisam Mathematics
Circles and loci
Elective Mathematics · SHS · 12 videos
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Finding And Describing A Locus
Elective Mathematics · SHS 2 · Otisam Mathematics
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Under what circumstance can two circles touch externally?
Elective Mathematics · SHS 2 · Otisam Mathematics
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Internal touch of a circle
Elective Mathematics · SHS 2 · Otisam Mathematics
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Condition For A Line To Be Tangent To A Circle
Elective Mathematics · SHS 2 · Otisam Mathematics
Linear equations and word problems
Core Mathematics · SHS · 10 videos
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Solving Difficult Linear Equation
Core Mathematics · SHS 1 · Otisam Mathematics
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Building block 4 – Linear Equation – Word Problem
Core Mathematics · SHS 1 · Otisam Mathematics
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Building block 4 – Linear equation – case 5 – Equation involving ratios
Core Mathematics · SHS 1 · Otisam Mathematics
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Building block 4 – Linear Equation – Case 4 fractional equation
Core Mathematics · SHS 1 · Otisam Mathematics
Algebraic fractions and binary operations
Core Mathematics · SHS · 9 videos
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Solution to Assessment test 1(Binary operation Q5)
Core Mathematics · SHS 3 · Otisam Mathematics
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Assessment test 1 – binary operation – Q1
Core Mathematics · SHS 3 · Otisam Mathematics
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Binary Operation – Part 6
Core Mathematics · SHS 3 · Otisam Mathematics
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Binary Operation – Part 5
Core Mathematics · SHS 3 · Otisam Mathematics
Arithmetic and geometric progressions
Core Mathematics · SHS · 9 videos
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Exponential sequence nth term
Core Mathematics · SHS 2 · Otisam Mathematics
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Finding The Number Of Terms When The Sum Is Given
Core Mathematics · SHS 2 · Otisam Mathematics
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Sum Of Arithmetic Progression
Core Mathematics · SHS 2 · Otisam Mathematics
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Arithmetic Progression
Core Mathematics · SHS 2 · Otisam Mathematics
Coordinate geometry: distance, midpoint and gradient
Core Mathematics · SHS · 9 videos
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coordinate geometry 1 – part 8
Core Mathematics · SHS 2 · Otisam Mathematics
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coordinate geometry 1 – part 7
Core Mathematics · SHS 2 · Otisam Mathematics
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Coordinate geometry 1 – part 6
Core Mathematics · SHS 2 · Otisam Mathematics
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coordinate geometry 1 – part 5
Core Mathematics · SHS 2 · Otisam Mathematics
Interest, depreciation and percentages
Core Mathematics · SHS · 9 videos
Limits and differentiation
Elective Mathematics · SHS · 9 videos
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The Concept Of Limits
Elective Mathematics · SHS 1 · Otisam Mathematics
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Limit at infinity
Elective Mathematics · SHS 1 · Otisam Mathematics
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Differentiating from First principle
Elective Mathematics · SHS 1 · Otisam Mathematics
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Basic rules of differentiation
Elective Mathematics · SHS 1 · Otisam Mathematics
Sets and binomial expansions
Elective Mathematics · SHS · 9 videos
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Binomial Expansion – 01
Elective Mathematics · SHS 2 · Otisam Mathematics
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Binomial Expansion – 01
Elective Mathematics · SHS 2 · Otisam Mathematics
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Binomial theorem – part 6 – comparing coefficients
Elective Mathematics · SHS 2 · Otisam Mathematics
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Application of binomial theorem
Elective Mathematics · SHS 2 · Otisam Mathematics
Circle theorems and constructions
Core Mathematics · SHS · 7 videos
Matrices
Elective Mathematics · SHS · 7 videos
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Multiplication of matrices in simple terms
Elective Mathematics · SHS 1 · Otisam Mathematics
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Subtraction of matrices in 1 min
Elective Mathematics · SHS 1 · Otisam Mathematics
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Why Not Use 1 S To Learn Matrice Addition
Elective Mathematics · SHS 1 · Otisam Mathematics
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Learn Matrix In 5 Minutes
Elective Mathematics · SHS 1 · Otisam Mathematics
Permutations, combinations and probability
Elective Mathematics · SHS · 6 videos
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Learn the trick of solving combination
Elective Mathematics · SHS 1 · Otisam Mathematics
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The Secret Behind Factorial
Elective Mathematics · SHS 1 · Otisam Mathematics
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Factorial Simplified
Elective Mathematics · SHS 1 · Otisam Mathematics
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1 min
Why is 0! Equal to 1
Elective Mathematics · SHS 1 · Otisam Mathematics
Trigonometric identities
Elective Mathematics · SHS · 6 videos
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Simplify The Identity In 2 Seconds
Elective Mathematics · SHS 2 · Otisam Mathematics
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Simple Way Of Evaluating Trig Expressions
Elective Mathematics · SHS 2 · Otisam Mathematics
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Multiple Angles
Elective Mathematics · SHS 2 · Otisam Mathematics
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Application Of Compound Angles
Elective Mathematics · SHS 2 · Otisam Mathematics
Trigonometry: right-angled triangles, elevation and depression
Core Mathematics · SHS · 6 videos
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complementary angles
Core Mathematics · SHS 3 · Otisam Mathematics
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Why Cos 90 Degrees Is Zero
Core Mathematics · SHS 3 · Otisam Mathematics
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Live lesson on Trigonometry – Part 2
Core Mathematics · SHS 3 · Otisam Mathematics
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Live Lesson On Trigonometry – Part 1
Core Mathematics · SHS 3 · Otisam Mathematics
Surds
Core Mathematics · SHS · 5 videos
Fractions, decimals and percentages
Core Mathematics · SHS · 4 videos
Linear inequalities and linear programming
Core Mathematics · SHS · 4 videos
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Building block 5 – Linear Inequality – Double inequality
Core Mathematics · SHS 2 · Otisam Mathematics
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Block 5 – Linear inequality in one variable – Single inequality
Core Mathematics · SHS 2 · Otisam Mathematics
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Block 5 – Linear Inequality – Number line
Core Mathematics · SHS 2 · Otisam Mathematics
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1 min
Do You Know That You Can Use Linear Inequality To Budget?
Core Mathematics · SHS 2 · Otisam Mathematics
Simultaneous equations
Core Mathematics · SHS · 4 videos
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Block 6 – Simultaneous equation – Word problems
Core Mathematics · SHS 2 · Otisam Mathematics
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Block 6 – Simultaneous equation – General questions
Core Mathematics · SHS 2 · Otisam Mathematics
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Block 6 – Simultaneous equation – substitution method
Core Mathematics · SHS 2 · Otisam Mathematics
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Building block 6 – Simultaneous equation – Elimination method
Core Mathematics · SHS 2 · Otisam Mathematics
Angles, polygons and Pythagoras
Core Mathematics · SHS · 3 videos
Sets and Venn diagrams
Core Mathematics · SHS · 3 videos
Statistics: grouped data and cumulative frequency
Core Mathematics · SHS · 3 videos
Angles, polygons and parallel lines
Core Mathematics · SHS · 2 videos
Measures of dispersion
Core Mathematics · SHS · 2 videos
Mensuration: circles, arcs and sectors
Core Mathematics · SHS · 2 videos
Probability of combined events
Core Mathematics · SHS · 2 videos
Variation
Core Mathematics · SHS · 2 videos
Bearings and distances
Core Mathematics · SHS · 1 video
Graphs of quadratic functions
Core Mathematics · SHS · 1 video
Perimeter, area and volume
Core Mathematics · SHS · 1 video
Real numbers, approximation and significant figures
Core Mathematics · SHS · 1 video
Sequences, series and inequalities
Elective Mathematics · SHS · 1 video
Vectors in two dimensions
Core Mathematics · SHS · 1 video
Math Olympiad problems
Core Mathematics · SHS · 193 videos
Shortcuts, puzzles and challenges
Core Mathematics · SHS · 27 videos
SAT preparation
Core Mathematics · SHS · 12 videos
Teacher licensure exam preparation
Core Mathematics · SHS · 3 videos
Mathematics in real life
Core Mathematics · SHS · 2 videos
Revision shows
Core Mathematics · SHS · 1 video