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Grade 8 covers scientific notation, real numbers and roots, fraction and mixed-number operations, proportions, algebra with integers, probability, scale, angle properties, and money decisions.
Throughout the year. apply, to the best of their ability, a variety of social-emotional learning skills to support their use of the mathematical processes and their learning in connection with the expectations in the other five strands of the mathematics curriculum apply, to the best of their ability, a variety of social-emotional learning skills to support their use of the mathematical processes and their learning in connection with the expectations in the other five strands of the mathematics curriculumA1
B1 Number Sense
Scientific notation represent and compare very large and very small numbers, including through the use of scientific notation, and describe various ways they are used in everyday lifeB1.1
Rational and irrational numbers describe, compare, and order numbers in the real number system (rational and irrational numbers), separately and in combination, in various contextsB1.2
Estimating square roots estimate and calculate square roots, in various contextsB1.3
Percents above 100% and below 1% use fractions, decimal numbers, and percents, including percents of more than 100% or less than 1%, interchangeably and flexibly to solve a variety of problemsB1.4
B2 Operations
Using number properties with integers and fractions use the properties and order of operations, and the relationships between operations, to solve problems involving rational numbers, ratios, rates, and percents, including those requiring multiple steps or multiple operationsB2.1
Square numbers to 20² understand and recall commonly used square numbers and their square rootsB2.2
Multiplying and dividing decimals by powers of 10 use mental math strategies to multiply and divide whole numbers and decimal numbers up to thousandths by powers of ten, and explain the strategies usedB2.3
Adding and subtracting integers in real situations add and subtract integers, using appropriate strategies, in various contextsB2.4
Adding and subtracting mixed numbers add and subtract fractions, using appropriate strategies, in various contextsB2.5
Multiplying and dividing with mixed numbers multiply and divide fractions by fractions, as well as by whole numbers and mixed numbers, in various contextsB2.6
Multiplying and dividing integers multiply and divide integers, using appropriate strategies, in various contextsB2.7
Solving proportions compare proportional situations and determine unknown values in proportional situations, and apply proportional reasoning to solve problems in various contextsB2.8
C1 Patterns and Relationships
Linear growing and shrinking patterns identify and compare a variety of repeating, growing, and shrinking patterns, including patterns found in real-life contexts, and compare linear growing and shrinking patterns on the basis of their constant rates and initial values create and translate repeating, growing, and shrinking patterns involving rational numbers using various representations, including algebraic expressions and equations for linear growing and shrinking patterns determine pattern rules and use them to extend patterns, make and justify predictions, and identify missing elements in growing and shrinking patterns involving rational numbers, and use algebraic representations of the pattern rules to solve for unknown values in linear growing and shrinking patternsC1.1
C1.2
C1.3
Patterns with rational numbers create and describe patterns to illustrate relationships among rational numbersC1.4
C2 Equations and Inequalities
Adding binomials with integers add and subtract monomials with a degree of 1, and add binomials with a degree of 1 that involve integers, using toolsC2.1
Evaluating expressions with negative numbers evaluate algebraic expressions that involve rational numbersC2.2
Solving equations with integers and decimals solve equations that involve multiple terms, integers, and decimal numbers in various contexts, and verify solutionsC2.3
Inequalities with integers solve inequalities that involve integers, and verify and graph the solutionsC2.4
C3 Coding
solve problems and create computational representations of mathematical situations by writing and executing code, including code that involves the analysis of data in order to inform and communicate decisions solve problems and create computational representations of mathematical situations by writing and executing code, including code that involves the analysis of data in order to inform and communicate decisionsC3.1
Practice coming soon
read and alter existing code involving the analysis of data in order to inform and communicate decisions, and describe how changes to the code affect the outcomes and the efficiency of the code read and alter existing code involving the analysis of data in order to inform and communicate decisions, and describe how changes to the code affect the outcomes and the efficiency of the codeC3.2
Practice coming soon
Mathematical Modelling: apply the process of mathematical modelling to represent, analyse, make predictions, and provide insight into real-life situations apply the process of mathematical modelling to represent, analyse, make predictions, and provide insight into real-life situationsC4
D1 Data Literacy
Two-variable data and scatter plots identify situations involving one-variable data and situations involving two-variable data, and explain when each type of data is needed collect continuous data to answer questions of interest involving two variables, and organize the data sets as appropriate in a table of values select from among a variety of graphs, including scatter plots, the type of graph best suited to represent various sets of data; display the data in the graphs with proper sources, titles, and labels, and appropriate scales; and justify their choice of graphs use mathematical language, including the terms “strong”, “weak”, “none”, “positive”, and “negative”, to describe the relationship between two variables for various data sets with and without outliers analyse different sets of data presented in various ways, including in scatter plots and in misleading graphs, by asking and answering questions about the data, challenging preconceived notions, and drawing conclusions, then make convincing arguments and informed decisionsD1.1
D1.2
D1.3
D1.5
D1.6
create an infographic about a data set, representing the data in appropriate ways, including in tables and scatter plots, and incorporating any other relevant information that helps to tell a story about the data create an infographic about a data set, representing the data in appropriate ways, including in tables and scatter plots, and incorporating any other relevant information that helps to tell a story about the dataD1.4
Practice coming soon
D2 Probability
Probability of two independent events solve various problems that involve probability, using appropriate tools and strategies, including Venn and tree diagrams determine and compare the theoretical and experimental probabilities of multiple independent events happening and of multiple dependent events happeningD2.1
D2.2
E1 Geometric and Spatial Reasoning
identify geometric properties of tessellating shapes and identify the transformations that occur in the tessellations identify geometric properties of tessellating shapes and identify the transformations that occur in the tessellationsE1.1
Practice coming soon
make objects and models using appropriate scales, given their top, front, and side views or their perspective views make objects and models using appropriate scales, given their top, front, and side views or their perspective viewsE1.2
Practice coming soon
Scale drawings: lengths and areas use scale drawings to calculate actual lengths and areas, and reproduce scale drawings at different ratiosE1.3
Transformations on a coordinate plane describe and perform translations, reflections, rotations, and dilations on a Cartesian plane, and predict the results of these transformationsE1.4
E2 Measurement
Very large and very small metric units represent very large (mega, giga, tera) and very small (micro, nano, pico) metric units using models, base ten relationships, and exponential notationE2.1
Angles with parallel lines and triangles solve problems involving angle properties, including the properties of intersecting and parallel lines and of polygonsE2.2
Perimeter, area, volume and surface area of composite shapes solve problems involving the perimeter, circumference, area, volume, and surface area of composite two-dimensional shapes and three-dimensional objects, using appropriate formulasE2.3
Pythagorean theorem describe the Pythagorean relationship using various geometric models, and apply the theorem to solve problems involving an unknown side length for a given right triangleE2.4
F1 Money and Finances
describe some advantages and disadvantages of various methods of payment that can be used when dealing with multiple currencies and exchange rates describe some advantages and disadvantages of various methods of payment that can be used when dealing with multiple currencies and exchange ratesF1.1
Practice coming soon
create a financial plan to reach a long-term financial goal, accounting for income, expenses, and tax implications create a financial plan to reach a long-term financial goal, accounting for income, expenses, and tax implicationsF1.2
Practice coming soon
identify different ways to maintain a balanced budget, and use appropriate tools to track all income and spending, for several different scenarios identify different ways to maintain a balanced budget, and use appropriate tools to track all income and spending, for several different scenariosF1.3
Practice coming soon
Simple and compound interest determine the growth of simple and compound interest at various rates using digital tools, and explain the impact interest has on long-term financial planningF1.4
Discounts and sale prices compare various ways for consumers to get more value for their money when spending, including taking advantage of sales and customer loyalty and incentive programs, and determine the best choice for different scenariosF1.5
The cost of credit card interest compare interest rates, annual fees, and rewards and other incentives offered by various credit card companies and consumer contracts to determine the best value and the best choice for different scenariosF1.6
Curriculum: The Ontario Curriculum, Grades 1-8: Mathematics (2020). Last verified 2026-10-17.