Grade 9 Math
7 units matched to the Newfoundland and Labrador Curriculum.
Learning focus
- Number sense and number theory. Students will demonstrate number sense and apply number theory concepts.
- Operation sense. Students will demonstrate operation sense and apply operation principles and procedures in both numeric and algebraic situations.
- Patterns and relationships. Students will explore, recognize, represent and apply patterns and relationships, both informally and formally.
- Measurement. Students will demonstrate an understanding of and apply concepts and skills associated with measurement.
- Spatial sense. Students will demonstrate spatial sense and apply geometric concepts, properties and relationships.
- Data management. Students will solve problems involving the collection, display and analysis of data.
- Probability. Students will represent and solve problems involving uncertainty.
Units
Unit 1
Rational Numbers
Adding, subtracting, multiplying and dividing fractions and decimals that may be negative, converting between fractions and decimals, ordering rational numbers, and using BEDMAS.
Curriculum outcome: Operation sense (by Grade 9) · operations with rational numbers
Unit 2
Exponents & Powers
Evaluating powers, using the product, quotient and power laws, working with powers of products and fractions, and order of operations with exponents.
Curriculum outcome: Operation sense (by Grade 9) · powers, exponent laws and scientific notation
Unit 3
Polynomials
Naming polynomials by terms and degree, combining like terms, subtracting polynomials, multiplying and dividing by a constant, and substituting values for x.
Curriculum outcome: Patterns and relationships (by Grade 9) · adding, subtracting and multiplying polynomials
Unit 4
Multi-Step Equations
Solving linear equations with brackets, fractions and variables on both sides, checking solutions, and turning word problems into equations.
Curriculum outcome: Patterns and relationships (by Grade 9) · solving linear equations in several steps
Unit 5
Linear Relations
Finding slope from points and graphs, reading y = mx + b, finding intercepts, deciding whether a point is on a line, spotting parallel lines, and using rates of change in stories.
Curriculum outcome: Patterns and relationships (by Grade 9) · linear relations: tables, graphs and equations
Unit 6
Statistics in Society
Telling a population from a sample, spotting bias in who is asked and how, predicting from a sample, noticing misleading graphs, and why correlation is not causation.
Curriculum outcome: Data management (by Grade 9) · collecting data and how statistics are used
Unit 7
Surface Area of Objects
Finding the surface area of a rectangular prism, of two solids joined together (taking away the faces that are hidden), and of a cylinder written in terms of π.
Curriculum outcome: Spatial sense (by Grade 9) · surface area of composite 3-D objects
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