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Grades 9/10/11 Number Sense and Algebraic Expressions
Working with different number systems. Exponent laws and scientific notation. Manipulating expressions including polynomials, radical and rational expressions. Investigating prime factorization.
New lessons (January 2026): 1.1 Classification of Numbers, 1.2 Fractions, Decimals and Integers, 1.3 Operations with Rational Numbers, 2.5 Scientific Notation
This is one of seven strands of the CEMC Grade 9/10/11 courseware. The other strands and more information about this courseware is available on the Grade 9/10/11 homepage.
Units
Unit 1: Classification and Operations of Numbers
In this lesson, properties of the set of real numbers and its subsets (natural numbers, whole numbers, integers, rational numbers and irrational numbers) will be investigated.
In this lesson, connections between and operations with decimal and common fractions will be examined.
In this lesson, knowledge of operations with positive decimal and common fractions, and whole numbers will be extended to operations with the complete set of rational numbers.