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Math

Grade 3 Math Courses - Ontario Curriculum

Discover Ontario's Grade 3 math curriculum, covering essential topics like number sense, measurement, geometry, and data management. Build a strong foundation for future mathematical success.

Ontario Grade 3 Math Curriculum - Comprehensive Guide Topics

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OE_ID
Expectations
StudyPug Topic
B1. Number Sense : demonstrate an understanding of numbers and make connections to the way numbers are used in everyday life
OE.3.B.1.1
B1.1 Whole Numbers: read, represent, compose, and decompose whole numbers up to and including 1000, using a variety of tools and strategies, and describe various ways they are used in everyday life

Place Value Tables of Multi-Digits

intro
video
video
OE.3.B.1.2
B1.2 Whole Numbers: compare and order whole numbers up to and including 1000, in various contexts
OE.3.B.1.3
B1.3 Whole Numbers: round whole numbers to the nearest ten or hundred, in various contexts

Rounding numbers

intro
video
video
OE.3.B.1.5
B1.5 Whole Numbers: use place value when describing and representing multi-digit numbers in a variety of ways, including with base ten materials
OE.3.B.1.7
B1.7 Fractions: represent and solve fair-share problems that focus on determining and using equivalent fractions, including problems that involve halves, fourths, and eighths; thirds and sixths; and fifths and tenths

Equivalent fractions

intro
video
video
B2. Operations : use knowledge of numbers and operations to solve mathematical problems encountered in everyday life
OE.3.B.2.1
B2.1 Properties and Relationships: use the properties of operations, and the relationships between multiplication and division, to solve problems and check calculations
OE.3.B.2.2
B2.2 Math Facts: recall and demonstrate multiplication facts of 2, 5, and 10, and related division facts
OE.3.B.2.3
B2.3 Mental Math: use mental math strategies, including estimation, to add and subtract whole numbers that add up to no more than 1000, and explain the strategies used
OE.3.B.2.4
B2.4 Addition and Subtraction: demonstrate an understanding of algorithms for adding and subtracting whole numbers by making connections to and describing the way other tools and strategies are used to add and subtract
OE.3.B.2.5
B2.5 Addition and Subtraction: represent and solve problems involving the addition and subtraction of whole numbers that add up to no more than 1000, using various tools and algorithms
OE.3.B.2.6
B2.6 Multiplication and Division: represent multiplication of numbers up to 10 × 10 and division up to 100 ÷ 10, using a variety of tools and drawings, including arrays
OE.3.B.2.7
B2.7 Multiplication and Division: represent and solve problems involving multiplication and division, including problems that involve groups of one half, one fourth, and one third, using tools and drawings
OE.3.B.2.8
B2.8 Multiplication and Division: represent the connection between the numerator of a fraction and the repeated addition of the unit fraction with the same denominator using various tools and drawings, and standard fractional notation
OE.3.B.2.9
B2.9 Multiplication and Division: use the ratios of 1 to 2, 1 to 5, and 1 to 10 to scale up numbers and to solve problems
C2. Equations and Inequalities : demonstrate an understanding of variables, expressions, equalities, and inequalities, and apply this understanding in various contexts
OE.3.C.2.1
C2.1 Variables: describe how variables are used, and use them in various contexts as appropriate
OE.3.C.2.2
C2.2 Equalities and Inequalities: determine whether given sets of addition, subtraction, multiplication, and division expressions are equivalent or not
OE.3.C.2.3
C2.3 Equalities and Inequalities: identify and use equivalent relationships for whole numbers up to 1000, in various contexts
D1. Data Literacy : manage, analyse, and use data to make convincing arguments and informed decisions, in various contexts drawn from real life
OE.3.D.1.1
D1.1 Data Collection and Organization: sort sets of data about people or things according to two and three attributes, using tables and logic diagrams, including Venn, Carroll, and tree diagrams, as appropriate
OE.3.D.1.4
D1.4 Data Analysis: determine the mean and identify the mode(s), if any, for various data sets involving whole numbers, and explain what each of these measures indicates about the data
OE.3.E.2.7
E2.7 Area: compare the areas of two-dimensional shapes by matching, covering, or decomposing and recomposing the shapes, and demonstrate that different shapes can have the same area
OE.3.E.2.8
E2.8 Area: use appropriate non-standard units to measure area, and explain the effect that gaps and overlaps have on accuracy

Square measure

intro
video
video
OE.3.E.2.9
E2.9 Area: use square centimetres (cm2) and square metres (m2) to estimate, measure, and compare the areas of various two-dimensional shapes, including those with curved sides
F1. Money and Finances : demonstrate an understanding of the value and use of Canadian currency
OE.3.F.1.1
F1.1 Money Concepts: estimate and calculate the change required for various simple cash transactions involving whole-dollar amounts and amounts of less than one dollar

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