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Math | O-Levels Year-1
Cambridge
O-Levels Year-1
Math (
Total Videos: 334
)
Preference
All Chapters
Chapter 1: Primes, Highest and Lowest Common Factor
Chapter 2: Integers, Rational Numbers and Real Numbers
Chapter 3: Approximation and Estimation
Chapter 4: Basic Algebra and Algebraic Manipulation
Chapter 5: Linear Equation and Simple Inequalities
Chapter 6: Functions and Linear Graphs
Chapter 7: Number Patterns
Chapter 8: Percentage
Chapter 9: Ratio, Rate, Time and Speed
Chapter 10: Basic Geometry
Chapter 11: Triangles, Quadrilaterals and Polygons
Chapter 12: Geometrical Constructions
Chapter 13: Perimeter and Area of Plane Figures
Chapter 14: Volume and Surface Area of Prisms and Cylinders
Chapter 15: Statistical Data Handling
Show Content
Select a chapter above and press 'Show Content'. Click a video topic below to view.
Chapter 1 Primes, Highest and Lowest Common Factor (
44 videos
)
  (
Practice Test
)
1.1: Prime Numbers (
Practice Test
)
Problem-Concept of Factors
2460 views
Types of Natural Numbers
1901 views
More on Types of Natural Numbers
1351 views
Problem-Types of Natural Numbers
1082 views
Prime Numbers and Composite Numbers
2746 views
Properties of Prime Numbers
793 views
Index Notation
2440 views
Problem-Index Notation
621 views
Prime Factorization
2835 views
Problem-Prime Factorization
760 views
1.2: Square Roots and Cube Roots (
Practice Test
)
Introduction to Square Root of Positive Numbers
3805 views
Problem-Introduction to Square Root of Positive Numbers
1319 views
The Square Root of Numbers Which are Perfect Square
412 views
Square Root of a Natural Number
1039 views
Problem-Finding Square Roots By Prime Factorization
3225 views
Concept of Cubes and Perfect Cubes
595 views
Problem-Concept of Cubes and Perfect Cubes
1029 views
Cubes and Cube Roots
2583 views
Problem-Cube Roots of Numbers which are Perfect Cubes
1077 views
Proving Square Root of Prime Number is Irrational Number
3574 views
1.3: Highest Common Factor and Lowest Common Multiple (
Practice Test
)
Least Common Multiple (LCM)
3796 views
Problem-Least Common Multiple ( LCM )
862 views
Find LCM of Four Numbers Up to 2-Digits
260 views
Problem-Find LCM of Four Numbers Up to 2-Digits
242 views
LCM by Prime Factorization Method
14155 views
Problem-LCM by Prime Factorization Method
1873 views
LCM by Short Division Method
3356 views
Problem-LCM by Short Division Method
947 views
Highest Common Factors ( HCF )
917 views
Problem-Highest Common Factors ( HCF )
1084 views
Find HCF of Three Numbers, Up to 2-Digits
312 views
Problem-Find HCF of Three Numbers, Up to 2-Digits
226 views
Finding HCF By Prime Factorization Method
2060 views
Problem-Finding HCF By Prime Factorization Method
897 views
Finding HCF By Using Division Method
1745 views
Problem-Finding HCF By Using Division Method
1050 views
Relation Between HCF and LCM of Two Numbers
1497 views
Problem-Relation Between HCF and LCM of Two Numbers
747 views
Solve the Real Life Problems Involving HCF and LCM
810 views
Problem-Solve the Real Life Problems Involving HCF and LCM
1281 views
1.4: Application of HCF and LCM
Application of HCF Problem-1
1484 views
Application of HCF Problem-2
310 views
Application of LCM Problem-1
985 views
Application of LCM Problem-2
350 views
Chapter 2 Integers, Rational Numbers and Real Numbers (
38 videos
)
  (
Practice Test
)
2.1: Negative Numbers
Problem-Positive, Negative and Natural Integers or Directed Numbers
1584 views
Representing Integers on the Number Line
2149 views
Problem-Representing Integers on the Number Line
730 views
2.2: Addition and Subtraction Involving Negative Numbers (
Practice Test
)
Sum of Two or More Given Integers or Directed Numbers
400 views
Problem-Sum of Two or More Given Integers or Directed Numbers
989 views
Sum of Two Integers or Directed Numbers With Unlike Signs
320 views
Problem-Sum of Two Integers or Directed Numbers With Unlike Signs
654 views
Sum of Two Integers or Directed Numbers With like Signs
236 views
Rule of Sum of Two Integers With like Signs
682 views
Prob-Rule of Sum of Two Integers With like Signs
465 views
Rule of Sum of Two Integers With Unlike Signs
629 views
Prob-Rule of Sum of Two Integers With Unlike Signs
459 views
Difference of Two Given Positive Integers or Directed Numbers
325 views
Prob-Difference of Two Given Positive Integers or Directed Numbers
362 views
2.3: Multiplication and Division Involving Negative Numbers (
Practice Test
)
Multiplication of Integers or Directed Numbers With Like Signs
248 views
Prob-Multiplication of Integers or Directed Numbers With Like Signs
696 views
Multiplication of Integers or Directed Numbers With Unlike Signs
188 views
Prob-Multiplication of Integers or Directed Numbers With Unlike Signs
563 views
Division of Integers or Directed Numbers with Like Signs
212 views
Problem-Division of Integers or Directed Numbers with Like Signs
670 views
Division of Integers or Directed Numbers with Unlike Signs
162 views
Problem-Division of Integers or Directed Numbers with Unlike Signs
520 views
Division of an Integers or Directed Numbers by 0 is Not Possible
427 views
Problem-Division of an Integers or Directed Numbers by 0 is Not Possible
361 views
Simplifying Expressions Involving Integers or Directed Numbers
219 views
2.4: Rational Numbers and Real Numbers (
Practice Test
)
Percentages, Fractions and Decimals
10808 views
Conversion of Decimals to Rational Numbers
1878 views
Problem-Conversion of Decimals to Rational Numbers
1017 views
Terminating Decimals
1877 views
Problem-Terminating Decimals
1073 views
Non-terminating Decimals
1556 views
Problem-Non-terminating Decimals
915 views
Concept of Rational Numbers
1756 views
Problem-Concept of Rational Numbers
4036 views
Representation of Rational Number on a Number Line
1198 views
Problem-Representation of Rational Number on a Number Line
1490 views
Introduction to Real Numbers
28676 views
Problem-Concept of Real Numbers
957 views
Chapter 3 Approximation and Estimation (
8 videos
)
  (
Practice Test
)
3.1: Approximation (
Practice Test
)
Rounding Off a Number to a Given Number of Decimal Places
450 views
More on Rounding Off a Number
421 views
3.2: Significant Figures (
Practice Test
)
Accuracy and Significant Figures
343 views
Introduction to Significant Figures
21944 views
Rounding a Number to a Given Number of Significant Figures
286 views
3.3: Rounding and Truncation Errors
Rounding and Truncation Errors
20597 views
3.4: Estimation (
Practice Test
)
Estimation and Rounding
873 views
Approximations in Measurements and Accuracy
506 views
Chapter 4 Basic Algebra and Algebraic Manipulation (
22 videos
)
  (
Practice Test
)
4.1: Fundamental Algebra (
Practice Test
)
Introduction to Algebra
3541 views
Problem-Introduction to Algebra
2695 views
Notation in Algebra
823 views
Introducing Variable and Constant
11808 views
Algebraic Expressions & Algebraic Sentences
7636 views
Introduction to Algebraic Expressions
1586 views
Problem-Introduction to Algebraic Expressions
1355 views
Evaluation of Algebraic Expressions
1713 views
Problem-Evaluation of Algebraic Expressions
1411 views
Row-Wise Addition of Algebraic Expressions
1084 views
Problem-Row-Wise Addition of Algebraic Expressions
784 views
Column-Wise Addition of Algebraic Expressions
756 views
Problem-Column-Wise Addition of Algebraic Expressions
645 views
Row-Wise Subtraction of Algebraic Expressions
887 views
Problem-Row-Wise Subtraction of Algebraic Expressions
650 views
Column-Wise Subtraction of Algebraic Expressions
290 views
Problem-Column-Wise Subtraction of Algebraic Expressions
734 views
Simplification of Algebraic Expressions
1639 views
Problem-Simplification of Algebraic Expressions
561 views
4.2: Simplification of Linear Expressions with Fractional Coefficients
Linear Algebraic Expressions with Fractional Coefficients
464 views
4.3: Factorisation
Factorization
511 views
Problem-Factorization
933 views
Chapter 5 Linear Equation and Simple Inequalities (
24 videos
)
  (
Practice Test
)
5.1: Linear Equations (
Practice Test
)
Linear Equations in 1,2 and 3 Variables
5893 views
Problem-Introduction to Linear Equations
2739 views
Recognizing and formation of Linear Equations in One and Two Variables
467 views
Solution of a Linear Equation in Two Unknowns
420 views
Solution of Two Linear Equations Involving Two Variables
226 views
Problem-Solution of Two Linear Equations Involving Two Variables
671 views
Problems Involving Linear Equations in Two Variables
254 views
Solving Fractional Linear Equations
699 views
Problem-Solving Fractional Linear Equations
522 views
5.2: Formulae (
Practice Test
)
Product of Binomial with Same First Term
1416 views
Problem-Product of Binomial with Same First Term
1094 views
Introduction to Algebraic Identities
4979 views
Problem-Introduction to Algebraic Identities
2457 views
Product of Same Binomial
1351 views
More on Product of Same Binomial
1063 views
Problem-Product of Same Binomial
986 views
Difference of square of two terms
2089 views
Problem1-Difference of Square of Two Terms
1176 views
Problem2-Difference of Square of Two Terms
1038 views
5.3: Application of Linear Equation In Real World Context
Word Problem-1 of Linear Equation
3000 views
Word Problem-2 of Linear Equation
2492 views
5.4: Simple Inequalities (
Practice Test
)
Equations and Inequalities
282 views
Introducing Linear Inequality
2079 views
Problem-Introducing Linear Inequality
1547 views
Chapter 6 Functions and Linear Graphs (
71 videos
)
  (
Practice Test
)
6.1: Cartesian Coordinates
Cartesian Coordinate System & Cartesian Plane
8577 views
Problem-Cartesian Coordinate System-Cartesian Plane
1140 views
6.2: Functions (
Practice Test
)
Introduction to Function
33866 views
More on Introduction to Functions
11149 views
Problem1-Introduction to Function
6005 views
Problem2-Introduction to Function
677 views
Problem3-Introduction to Function
6740 views
Problem4-Introduction to Function
4776 views
Implied Domain
377 views
Finding Domain and Range of Functions
4881 views
Operations on Functions
656 views
Into Function
9505 views
Problem1-Into Function
2746 views
Problem2-Into Function
432 views
Onto Function
7782 views
Problem1-Onto Function
2303 views
Problem2-Onto Function
433 views
One to One Correspondence
5463 views
Problem1-One to One Function
2057 views
Problem2-One to One Correspondence
524 views
Bijective Function
4605 views
Problem1-Bijective Function
1587 views
Problem2-Bijective Function
365 views
Injective Function
2842 views
Problem1-Injective Function
1111 views
Problem2-Injective Function
246 views
One-One Function
4739 views
Problem-One-One Function
301 views
Set Builder Notation for a Function
495 views
Problem-Set Builder Notation for a Function
309 views
6.3: Kinds of Functions (
Practice Test
)
Formulization of Functions
930 views
Algebraic Functions
9511 views
Linear and Quadratic Functions
539 views
Problem-Linear and Quadratic Functions
298 views
Inverse of a Function
4588 views
More on Inverse of a Function
1843 views
Problem1-Inverse of a Function
465 views
Problem2-Inverse of a Function
1803 views
Domain & Range of Inverse Function
520 views
Square Root and Absolute Value Functions
486 views
Problem-Square Root and Absolute Value Functions
271 views
Common Types of Functions
1006 views
Problem-Constant, Identity and Rational Functions
203 views
Even and Odd Functions
2827 views
Problem-Even and Odd Functions
1438 views
Trigonometric Functions
4057 views
More on Trigonometric Functions
101 views
The Radian Function
853 views
Inverse Trigonometric Functions
3827 views
More on Inverse Trigonometric Functions
2162 views
Further to Inverse Trignometric Functions
1465 views
Exponential Functions
2470 views
Logarithmic Function
2142 views
More on Logarithmic Function
1434 views
Problem-Hyperbolic Functions
Inverse Hyperbolic Functions
2559 views
More on Inverse Hyperbolic Functions
Explicit and Implicit Functions
4467 views
Parametric Functions
1938 views
Problem-Parametric Functions
The Modulus of a Function
3806 views
6.4: Graphs of Linear Functions (
Practice Test
)
Constructing table for linear equation in two variables
2446 views
Scale of Graph
3347 views
Problem-Scale of Graph
1223 views
Drawing graph with given slopes & intercepts
2209 views
Problem1-Drawing graph with given slopes & intercepts
993 views
Problem2-Drawing graph with given slopes & intercepts
801 views
Drawing graph from a give table of discrete values
896 views
Problem-Drawing graph from a give table of discrete values
704 views
6.5: Applications of Linear Graphs in Real world Contexts
Solving real life problems by graph
1160 views
Problem-Solving real life problems by graph
780 views
Chapter 7 Number Patterns (
5 videos
)
  (
Practice Test
)
7.1: Number Sequences
Number Sequences
1904 views
7.2: General Term of a Number Sequence (
Practice Test
)
General Term in a Number Sequence
1826 views
Problem Solving
963 views
7.3: Number Patterns in Real World Contexts (
Practice Test
)
Problem Solving
963 views
Number Sequences
1904 views
Chapter 8 Percentage (
12 videos
)
  (
Practice Test
)
8.1: Introduction to Percentage (
Practice Test
)
Percentages, Fractions and Decimals
10808 views
Concept of Percentage
2178 views
Problem-Concept of Percentage
1401 views
Expressing one Quantity as a Percentage of Another
1838 views
Finding the Percentage of a Number
1497 views
Problem on Percentage by Using Unitary Method
1811 views
Problem on Percentage by Using Proportion
458 views
Solve Real Life Problems Involving Percentages
993 views
Problem-Solve Real Life Problems Involving Percentages
854 views
Comparing Two Quantities by a Percentages
1474 views
Ordering fractions using percentage
455 views
8.2: Percentage Change and Reverse Percentage
Increasing or Decreasing a Quantity by a given Percentage
658 views
Chapter 9 Ratio, Rate, Time and Speed (
15 videos
)
  (
Practice Test
)
9.1: Ratio (
Practice Test
)
Introducing Ratio
16237 views
Problem-Concept of Ratio
4360 views
Equivalent Ratios
648 views
Problem-Equivalent Ratios
1212 views
Concept of Continued Ratio
1940 views
Problem-Concept of Continued Ratio
3224 views
9.2: Rate (
Practice Test
)
Rate
770 views
Problem-Concept of Rate
155 views
Average Rate
428 views
9.3: Time
Time
471 views
9.4: Speed (
Practice Test
)
Conversion of Units of Speed
876 views
More on Conversion of Units of Speed
599 views
Problem-Conversion of Units of Speed
649 views
Speed and Average Speed
872 views
Problems Involving Speed and Average Speed
386 views
Chapter 10 Basic Geometry (
18 videos
)
  (
Practice Test
)
10.1: Points, Lines and Planes (
Practice Test
)
Introducing Point, Line, Line-Segment Ray
1436 views
Problem-Introducing Point, Line, Line-Segment Ray
346 views
Intersecting Lines
200 views
Planes
177 views
10.2: Angles (
Practice Test
)
Introduction to an Angle
10000 views
Measuring an Angle in Sexagesimal System
10229 views
Problem1-Measuring an Angle in Sexagesimal System
2492 views
Kinds of an Angle
680 views
Perpendicular, Parallel lines
Problem-Perpendicular, Parallel lines
130 views
Concept of Complementary Angles
437 views
Concept of Supplementary Angles
451 views
Vertically Opposite Angles
1333 views
Finding Unknown Angles Involving Vertically Opposite Angles
583 views
10.3: Angles Formed by Two Parallel lines and transversal
Concept of Corresponding Angles
1125 views
Concept of Alternate Interior Angles
701 views
Concept of Interior Angles
665 views
Problem- Finding Angles Formed by a Transversal
569 views
Chapter 11 Triangles, Quadrilaterals and Polygons (
14 videos
)
  (
Practice Test
)
11.1: Triangles (
Practice Test
)
Kinds of Triangle
851 views
Problem-Kinds of Triangle
140 views
Triangle Sum Theorem
234 views
Interior, exterior angles of triangle
630 views
Problem-Interior, exterior angles of triangle
13 views
Exterior Angle Theorem
102 views
11.2: Quadrilaterals
Quadrilateral and its types
567 views
Problem-Quadrilateral and its types
11.3: Polygons (
Practice Test
)
Polygons
1650 views
Concept of Polygon
539 views
Demonstrate the properties of a parallelogram
418 views
Concept of Regular Pentagon, Hexagon & Octagon
1322 views
Sum of Interior Angles-Convex polygon
1119 views
Sum of Exterior Angles-Convex Polygon
302 views
Chapter 12 Geometrical Constructions (
21 videos
)
  (
Practice Test
)
12.1: Introduction to Geometrical Construction (
Practice Test
)
Introduction to Practical Geometry
7680 views
Instruments of geometry box
12.2: Perpendicular Bisectors and Angle Bisectors (
Practice Test
)
Right Bisector of Line Segment & Angle
6101 views
Theorem Point on Right Bisector of a Line Segment
5555 views
Problem-Two Intersecting Lines-Congruent Vertical Angles
136 views
Theorem Point on Bisector of an Angle
2090 views
12.3: Construction of Triangles (
Practice Test
)
Draw triangles using attributes
Construct equilateral triangle using protractor and ruler (A.S.A)
Construct isosceles triangle using protractor and ruler (A.S.A)
Construct scalene triangle using protractor and ruler (A.S.A)
Construct triangle when three sides are given
Construct acute triangle (S.A.S)
Construct right triangle (S.A.S)
Construct obtuse triangle (S.A.S)
Constructing Triangle when three sides are Given
3915 views
Construction of Triangle with 1 Angle & 2 Sides
1479 views
Constructing Triangle with 1 Side & 2 Angles
3686 views
12.4: Construction of Quadrilaterals
Draw rectangles using attributes
Draw square using attributes
Draw pentagon using attributes
Draw hexagon using attributes
Chapter 13 Perimeter and Area of Plane Figures (
12 videos
)
  (
Practice Test
)
13.1: Conversion of Units (
Practice Test
)
Concept of Altitude of a Geometrical Figures
570 views
Area of a Triangle
336 views
13.2: Perimeter and Area of Basic Plane Figures (
Practice Test
)
Formula for Perimeter of a Square & Rectangle
4709 views
Formula for Area of a Square & Rectangle
1143 views
Area of a Triangle
336 views
Word Problem of Area of a Triangle
765 views
Area of a Circular Region
564 views
Measurement of the Circumference of a Circle
280 views
13.3: Perimeter and Area of Parallelograms
Area of a Parallelogram
385 views
Word Problem of Area of a Parallelogram
430 views
13.4: Perimeter and Area of Trapezium (
Practice Test
)
Area of a Trapezium
390 views
Word Problem of Area of a Trapezium
374 views
Chapter 14 Volume and Surface Area of Prisms and Cylinders (
11 videos
)
  (
Practice Test
)
14.1: Volume and Surface Area of Cubes and Cuboids (
Practice Test
)
Volume of Cubes
316 views
Volume of Cuboids
317 views
Surface Area of Cuboids
466 views
Surface Area of Cubes
506 views
14.2: Volume and Surface Area of Prisms (
Practice Test
)
Introducing Right Prism
1100 views
Volume of Prism
890 views
Surface Area of Prism
626 views
14.3: Volume and Surface Area of Cylinders (
Practice Test
)
Volume of a Cylinder
197 views
Volume of a Cylinder By Making a Cuboid
409 views
Volume of a Cylinder By Staking Coins
351 views
Surface Area of the Cylinder
296 views
Chapter 15 Statistical Data Handling (
19 videos
)
  (
Practice Test
)
15.1: Introduction to Statistics
Introduction to Information Handling
604 views
15.2: Pictograms and Bar Graphs (
Practice Test
)
Data and its Types
519 views
Problem-Data and its Types
590 views
Classification of a Data
415 views
Problem-Classification of a Data
276 views
Collection and Presentation of Data
5804 views
Problem-Data, its Collection and Presentation.
2957 views
Introduction to Graph
288 views
Column Graph
189 views
Block Graph
584 views
Reading bar graph
116 views
Problem-Vertical Bar Graph
417 views
Horizontal Bar Graph
1233 views
Word Problem of Bar Graph-p1
265 views
Word Problem of Bar Graph-p2
198 views
Pictograms
807 views
15.3: Pie Charts (
Practice Test
)
Introduction to Pie Graph
1181 views
Word Problem of Pie Graph
1100 views
15.4: Line Graphs
Line Graphs
161 views
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