Year 9 Maths Help & Practice

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1Number Theory
2Adding and Subtracting Integers
3Multiplying and Dividing Integers
4Rational Numbers
5Powers and Exponents
6Ratios, Rates, and Proportions
7Proportional Relationships
8Percents
9Radicals
10Measuring Systems
11Coordinates, Quadrants, and Transformations
12Angles, Lines, and Transversals
13Symmetry and Surface Area
14Properties of triangles
15Circles
16Scale Factors and Similarity
17Pythagorean Theorem
18Introduction to 3-Dimensional Figures
19Volume
20Linear Equations (Basic)
- 20.1Model and solve one-step linear equations: ax = b, x/a = b
- 20.2Solving two-step linear equations using addition and subtraction: ax + b = c
- 20.3Solving two-step linear equations using multiplication and division: x/a + b = c
- 20.4Solving two-step linear equations using distributive property: a(x + b) = c
- 20.1Model and solve one-step linear equations: ax = b, x/a = b
21Solving Linear Equations
22Linear Inequalities
23Introduction to Relations and Functions
24Linear Functions
- 24.1Distance formula:
- 24.2Midpoint formula:
- 24.3Gradient equation:
- 24.4Gradient intercept form: y = mx + b
- 24.5General form: Ax + By + C = 0
- 24.6Gradient-point form:
- 24.7Rate of change
- 24.8Graphing linear functions using table of values
- 24.9Graphing linear functions using x- and y-intercepts
- 24.10Graphing from gradient-intercept form y=mx+b
- 24.11Graphing linear functions using a single point and gradient
- 24.12Word problems of graphing linear functions
- 24.13Parallel and perpendicular lines in linear functions
- 24.14Applications of linear relations
- 24.1Distance formula:
25Multiplication and Division of Polynomials
- 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
26Data and Graphs
27Statistics
28Probability
