Secondary 3 Maths Help & Practice

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1Number System and Radicals
2Rational Numbers
3Ratios, Rates, and Proportions
4Percents
5Coordinates, Quadrants, and Transformations
6Angles, Lines and Transversals
7Properties of Triangles
8Congruent Triangles
9Symmetry and Surface Area
10Pythagorean Theorem
11Surface Area of 3D Shapes
12Circle Geometry
13Volume of 3D Shapes
14Scale Factors and Similarity
15Trigonometry
- 15.1Use sine ratio to calculate angles and sides (Sin = )
- 15.2Use cosine ratio to calculate angles and sides (Cos = )
- 15.3Use tangent ratio to calculate angles and sides (Tan = )
- 15.4Combination of SohCahToa questions
- 15.5Solving expressions using 45-45-90 special right triangles
- 15.6Solving expressions using 30-60-90 special right triangles
- 15.7Word problems relating ladder in trigonometry
- 15.8Word problems relating guy wire in trigonometry
- 15.9Other word problems relating angles in trigonometry
- 15.1Use sine ratio to calculate angles and sides (Sin = )
16Solving Linear Equations
17Linear Inequalities
18Introduction to Relations and Functions
19Linear Functions
- 19.1Distance formula:
- 19.2Midpoint formula:
- 19.3Gradient equation:
- 19.4Gradient intercept form: y = mx + b
- 19.5General form: Ax + By + C = 0
- 19.6Gradient-point form:
- 19.7Rate of change
- 19.8Graphing linear functions using table of values
- 19.9Graphing linear functions using x- and y-intercepts
- 19.10Graphing from gradient-intercept form y=mx+b
- 19.11Graphing linear functions using a single point and gradient
- 19.12Word problems of graphing linear functions
- 19.13Parallel and perpendicular lines in linear functions
- 19.14Applications of linear relations
- 19.1Distance formula:
20Linear equations (Advanced)
- 20.1Introduction to linear equations
- 20.2Introduction to nonlinear equations
- 20.3Special case of linear equations: Horizontal lines
- 20.4Special case of linear equations: Vertical lines
- 20.5Parallel line equation
- 20.6Perpendicular line equation
- 20.7Combination of both parallel and perpendicular line equations
- 20.8Applications of linear equations
- 20.1Introduction to linear equations
21Solving Simultaneous Equations
- 21.1Determining number of solutions to linear equations
- 21.2Solving simultaneous equations by graphing
- 21.3Solving simultaneous equations by elimination
- 21.4Solving simultaneous equations by substitution
- 21.5Money related questions in linear equations
- 21.6Unknown number related questions in linear equations
- 21.7Distance and time related questions in linear equations
- 21.8Rectangular shape related questions in linear equations
- 21.1Determining number of solutions to linear equations
22Exponents
- 22.1Product rule of exponents
- 22.2Quotient rule of exponents
- 22.3Power of a product rule
- 22.4Power of a quotient rule
- 22.5Power of a power rule
- 22.6Negative exponent rule
- 22.7Combining the exponent rules
- 22.8Scientific notation
- 22.9Convert between radicals and rational exponents
- 22.10Solving for exponents
- 22.1Product rule of exponents
23Operations of Polynomials
24Exponential Functions
- 24.1Exponents: Product rule (a^x)(a^y) = a^(x+y)
- 24.2Exponents: Division rule (a^x / a^y) = a^(x-y)
- 24.3Exponents: Power rule (a^x)^y = a^(x * y)
- 24.4Exponents: Negative exponents
- 24.5Exponents: Zero exponent: a^0 = 1
- 24.6Exponents: Rational exponents
- 24.7Graphing exponential functions
- 24.8Graphing transformations of exponential functions
- 24.9Finding an exponential function given its graph
- 24.1Exponents: Product rule (a^x)(a^y) = a^(x+y)
25Factorising Polynomial Functions
- 25.1Common factors of polynomials
- 25.2Factorising polynomials by grouping
- 25.3Solving polynomials with the unknown "b" from x^2 + bx + c
- 25.4Solving polynomials with the unknown "c" from x^2 + bx + c
- 25.5Factorising polynomials: x^2 + bx + c
- 25.6Applications of polynomials: x^2 + bx + c
- 25.7Solving polynomials with the unknown "b" from
- 25.8Factorising polynomials:
- 25.9Factorising perfect square trinomials: (a + b)^2 = a^2 + 2ab + b^2 or (a - b)^2 = a^2 - 2ab + b^2
- 25.10Find the difference of squares: (a - b)(a + b) = (a^2 - b^2)
- 25.11Evaluating polynomials
- 25.12Using algebra tiles to factorise polynomials
- 25.13Solving polynomial equations
- 25.14Word problems of polynomials
- 25.1Common factors of polynomials
26Quadratic Functions
- 26.1Characteristics of quadratic functions
- 26.2Transformations of quadratic functions
- 26.3Quadratic function in general form: y = ax^2 + bx + c
- 26.4Quadratic function in vertex form: y = a(x-p)^2 + q
- 26.5Completing the square
- 26.6Converting from general to vertex form by completing the square
- 26.7Shortcut: Vertex formula
- 26.8Graphing parabolas for given quadratic functions
- 26.9Finding the quadratic functions for given parabolas
- 26.10Applications of quadratic functions
- 26.1Characteristics of quadratic functions
27Algebraic Fractions
- 27.1Simplifying algebraic fractions and restrictions
- 27.2Adding and subtracting algebraic fractions
- 27.3Multiplying algebraic fractions
- 27.4Dividing algebraic fractions
- 27.5Solving equations with algebraic fractions
- 27.6Applications of equations with algebraic fractions
- 27.7Simplifying complex fractions
- 27.8Partial fraction decomposition
- 27.1Simplifying algebraic fractions and restrictions
28Reciprocal Functions
29Direct and Inverse Variation
30Probability
31Statistics
32Introduction to Matrices
