Grade 9 Math
9 units matched to the Nunavut Curriculum.
Learning focus
- Iqqaqqaukkaringniq: concepts in mathematics, analytical and critical thinking, and solution-seeking.
- Number: develop number sense and understand how numbers and operations work.
- Patterns and Relations: use patterns and equations to describe the world and solve problems.
- Shape and Space: measure, and describe 2-D shapes and 3-D objects and how they move.
- Statistics and Probability: collect, read and interpret data, and describe chance.
Units
Unit 1
Exponents & Powers
Evaluating powers, using the product, quotient and power laws, working with powers of products and fractions, and order of operations with exponents.
Approved guide: Alberta Mathematics K–9 (2007), Number · powers with whole-number exponents and the exponent laws
Unit 2
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.
Approved guide: Alberta Mathematics K–9 (2007), Number · operations on rational numbers and the order of operations
Unit 3
Square Roots
Finding the square root of whole numbers, decimals and fractions that are perfect squares, and estimating the square root of other numbers by placing them between two perfect squares.
Approved guide: Alberta Mathematics K–9 (2007), Number · square roots of perfect squares, and estimating square roots that are not perfect squares
Unit 4
Polynomials
Naming polynomials by terms and degree, combining like terms, subtracting polynomials, multiplying and dividing by a constant, and substituting values for x.
Approved guide: Alberta Mathematics K–9 (2007), Patterns and Relations · adding, subtracting, multiplying and dividing polynomials of degree 2 or less
Unit 5
Multi-Step Equations
Solving linear equations with brackets, fractions and variables on both sides, checking solutions, and turning word problems into equations.
Approved guide: Alberta Mathematics K–9 (2007), Patterns and Relations · solving linear equations and single-variable inequalities
Unit 6
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.
Approved guide: Alberta Mathematics K–9 (2007), Patterns and Relations · writing, graphing and analysing linear relations
Unit 7
Circle Properties
Using the rules of circle geometry: a perpendicular from the centre bisects a chord, a central angle is twice an inscribed angle on the same arc, inscribed angles on the same arc are equal, and a tangent meets the radius at 90°.
Approved guide: Alberta Mathematics K–9 (2007), Shape and Space · chords, central and inscribed angles, and tangents
Unit 8
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.
Approved guide: Alberta Mathematics K–9 (2007), Shape and Space · surface area of composite 3-D objects made from prisms and cylinders
Unit 9
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.
Approved guide: Alberta Mathematics K–9 (2007), Statistics and Probability · bias, samples and populations, and planning a data project
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