Ontario Grade 4 math curriculum
The Grade 4 math outcomes we teach, in the curriculum's own words, with the lessons and practice pages for each. Pick an outcome code for the full list of lessons and printables.
Ontario Mathematics, Grades 1–8. Every lesson comes with a printable teacher guide and student sheet.
Number
B1.4 Represent fractions from halves to tenths with drawings, tools and standard fractional notation, and explain what the numerator and the denominator mean.
Lessons: Fair Shares: Fractions and Decimals (Is half always the same size?)
Practice: Fair Shares: Fractions and Decimals workbook · Grade 3 Ontario Math: Number · Grade 4 Ontario Math: Number
B1.5 Use drawings and models to represent, compare and order fractions from different fair-share situations.
Lessons: Fair Shares: Fractions and Decimals (Is half always the same size?, Where does three-quarters stand?)
Practice: Fair Shares: Fractions and Decimals workbook · Grade 4 Ontario Math: Number · Grade 5 Ontario Math: Number
B1.6 Count by halves, thirds, fourths, sixths and eighths, with and without tools (the number line).
Lessons: Fair Shares: Fractions and Decimals (Where does three-quarters stand?) (partly)
Practice: Fair Shares: Fractions and Decimals workbook · Grade 4 Ontario Math: Number
B1.7 Read, represent, compare and order decimal tenths, in various contexts.
Lessons: Fair Shares: Fractions and Decimals (Who jumped further, 1.4 m or 1.35 m?)
Practice: Fair Shares: Fractions and Decimals workbook · Grade 4 Ontario Math: Number · Grade 5 Ontario Math: Number
B1.9 Describe relationships and show equivalences among fractions and decimal tenths, in various contexts.
Lessons: Fair Shares: Fractions and Decimals (Who jumped further, 1.4 m or 1.35 m?)
Practice: Fair Shares: Fractions and Decimals workbook · Grade 4 Ontario Math: Number · Grade 5 Ontario Math: Number
Spatial Sense
E2.1 Explain the relationships between grams and kilograms as metric units of mass , and between litres and millilitres as metric units of capacity , and use benchmarks for these units to estimate mass and capacity. (estimating and checking grams and kilograms; a Grade 4 expectation).
Lessons: Measure It: Length, Time and Mass in the Real World
Practice: Grade 4 Ontario Math: Spatial Sense · Grade 4 Time and Measurement Problems
E2.3 Solve problems involving elapsed time by applying the relationships between different units of time. (elapsed-time problems; a Grade 4 expectation).
Lessons: Measure It: Length, Time and Mass in the Real World
Practice: Grade 4 Ontario Math: Financial Literacy · Grade 4 Ontario Math: Number · Grade 4 Ontario Math: Spatial Sense · Grade 4 Time and Measurement Problems · Grade 4 Word Problems: 100 Canadian Situations
E2.5 Use the rows and columns of an array to measure the area of a rectangle, and show that the area of any rectangle can be found by multiplying its side lengths.
Lessons: Fence It, Fill It: Area and Perimeter (Which mat is the biggest?, Can the same rug need more edging?)
Practice: Fence It, Fill It: Area and Perimeter workbook · Grade 3 Ontario Math: Spatial Sense · Grade 4 Ontario Math: Spatial Sense · Grade 4 Time and Measurement Problems
E2.6 Use the formula for the area of a rectangle to find a missing measurement when two of the three are known.
Lessons: Fence It, Fill It: Area and Perimeter (Can the same rug need more edging?)
Practice: Fence It, Fill It: Area and Perimeter workbook · Grade 4 Ontario Math: Spatial Sense · Grade 4 Time and Measurement Problems
More outcomes
B1.1 Read, represent, compose and decompose whole numbers up to and including 10,000, using tools and strategies, and describe ways they are used in everyday life.
Practice: Grade 4 Ontario Math: Number · Grade 5 Ontario Math: Number
B1.2 Compare and order whole numbers up to and including 10,000, in various contexts.
Practice: Grade 4 Ontario Math: Number · Grade 5 Ontario Math: Number
B1.3 Round whole numbers to the nearest ten, hundred or thousand, in various contexts.
Practice: Grade 4 Ontario Math: Number
B2.1 Use the properties of operations and the relationships among addition, subtraction, multiplication and division to solve whole-number problems, including problems with more than one operation, and to check calculations.
Practice: Grade 4 Ontario Math: Algebra · Grade 4 Ontario Math: Number · Grade 4 Word Problems: 100 Canadian Situations · Grade 5 Ontario Math: Number · Grade 5 Word Problems: 100 Canadian Situations
B2.2 Recall and demonstrate multiplication facts from 1 × 1 to 10 × 10, and the related division facts.
Practice: Grade 3 Ontario Math: Number · Grade 4 Ontario Math: Number · Grade 5 Ontario Math: Number
B2.3 Use mental math strategies to multiply whole numbers by 10, 100 and 1000, divide whole numbers by 10, and add and subtract decimal tenths, and explain the strategies used.
Practice: Grade 4 Ontario Math: Number
B2.4 Represent and solve problems involving the addition and subtraction of whole numbers that add up to no more than 10,000, and of decimal tenths, using tools and strategies, including algorithms.
Practice: Grade 4 Ontario Math: Number · Grade 4 Word Problems: 100 Canadian Situations · Grade 5 Ontario Math: Number · Grade 5 Word Problems: 100 Canadian Situations
B2.5 Represent and solve problems involving multiplying two- or three-digit whole numbers by one-digit whole numbers and by 10, 100 and 1000, using tools such as arrays.
Practice: Grade 4 Ontario Math: Number · Grade 4 Word Problems: 100 Canadian Situations · Grade 5 Ontario Math: Number · Grade 5 Word Problems: 100 Canadian Situations
B2.6 Represent and solve problems involving dividing two- or three-digit whole numbers by one-digit whole numbers, writing a remainder as a fraction when it makes sense, using tools such as arrays.
Practice: Grade 4 Ontario Math: Number · Grade 4 Word Problems: 100 Canadian Situations
B2.7 Show how adding a unit fraction again and again is the same as multiplying that unit fraction by a whole number, using tools, drawings and standard fractional notation.
Practice: Grade 4 Ontario Math: Number · Grade 5 Ontario Math: Number
B2.8 Show simple multiplicative relationships involving whole-number rates, using tools and drawings.
Practice: Grade 4 Ontario Math: Number · Grade 4 Word Problems: 100 Canadian Situations
C1.1 Identify and describe repeating and growing patterns, including patterns found in real-life contexts.
Practice: Grade 4 Ontario Math: Algebra
C1.2 Create and translate repeating and growing patterns using various representations, including tables of values and graphs.
Practice: Grade 4 Ontario Math: Algebra
C1.3 Determine pattern rules and use them to extend patterns, make and justify predictions, and identify missing elements in repeating and growing patterns.
Practice: Grade 4 Ontario Math: Algebra
C1.4 Create and describe patterns to show relationships among whole numbers and decimal tenths, such as place-value renaming and related facts.
Practice: Grade 4 Ontario Math: Algebra
C2.1 Identify and use symbols as variables in expressions and equations.
Practice: Grade 4 Ontario Math: Algebra · Grade 4 Ontario Math: Number · Grade 4 Word Problems: 100 Canadian Situations · Grade 5 Ontario Math: Number · Grade 5 Word Problems: 100 Canadian Situations
C2.2 Solve equations that involve whole numbers up to 50 in various contexts, and verify the solutions.
Practice: Grade 3 Ontario Math: Algebra · Grade 4 Ontario Math: Algebra
C2.3 Solve inequalities that involve addition and subtraction of whole numbers up to 20, and verify and graph the solutions.
Practice: Grade 4 Ontario Math: Algebra · Grade 5 Ontario Math: Algebra
D1.1 Describe the difference between qualitative data (categories, such as favourite sport) and quantitative data (numbers that are counted or measured, such as jump length), and describe situations where each would be used.
Practice: Grade 4 Ontario Math: Data
D1.3 Select, from a variety of graphs (here pictographs, line plots, bar graphs and multiple-bar graphs), the graph best suited to a set of data; display the data with a source, title, labels and an appropriate scale; and justify the choice of graph.
Practice: Grade 3 Ontario Math: Data · Grade 4 Ontario Math: Data
D1.5 Find the mean and the median and identify the mode or modes, if any, of data sets of whole numbers, and explain what each measure tells about the data.
Practice: Data Detectives workbook · Mean, Median, Mode and Range · Grade 3 Ontario Math: Data · Grade 4 Ontario Math: Data · Grade 5 Ontario Math: Data
D1.6 Analyse different sets of data shown in various ways, including stem-and-leaf plots and multiple-bar graphs, by asking and answering questions about the data and drawing conclusions, then make convincing arguments and informed decisions.
Practice: Grade 3 Ontario Math: Data · Grade 4 Ontario Math: Data
D2.1 Use mathematical language, including the terms impossible, unlikely, equally likely, likely and certain, to describe the likelihood of events, represent the likelihood on a probability line, and use it to make predictions and informed decisions.
Practice: Grade 3 Ontario Math: Data · Grade 4 Ontario Math: Data · Grade 5 Ontario Math: Data
E1.1 Identify the geometric properties of rectangles: four right angles, two pairs of parallel sides, sides that meet at a corner are perpendicular, and at least two lines of symmetry.
Practice: Grade 4 Ontario Math: Spatial Sense
E1.2 Plot and read coordinates in the first quadrant of a Cartesian plane, and describe the translation (for example, 3 right and 2 up) that moves a point from one coordinate to another.
Practice: Grade 4 Ontario Math: Spatial Sense · Grade 5 Ontario Math: Spatial Sense
E2.2 Use the metric prefixes (kilo, hecto, deca, deci, centi, milli) to describe how big units are compared with each other, and choose suitable units and tools to measure length, mass and capacity.
Practice: Grade 4 Ontario Math: Spatial Sense · Grade 4 Time and Measurement Problems
E2.4 Identify angles and classify them as right, straight, acute or obtuse.
Practice: Grade 4 Ontario Math: Spatial Sense
F1.2 Use mental math to estimate and calculate the cost of buying several items priced in whole dollars (with no sales tax), and the change owed when paying with cash.
Practice: Grade 4 Ontario Math: Financial Literacy · Grade 4 Ontario Math: Number · Grade 4 Ontario Math: Spatial Sense · Grade 4 Time and Measurement Problems · Grade 4 Word Problems: 100 Canadian Situations
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