read and represent whole numbers up to and including 50, and describe various ways they are used in everyday life

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count to 50 by 1s, 2s, 5s, and 10s, using a variety of tools and strategies

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compose and decompose whole numbers up to and including 50, using a variety of tools and strategies, in various contexts

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compare and order whole numbers up to and including 50, in various contexts

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estimate the number of objects in collections of up to 50, and verify their estimates by counting

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use drawings to represent and solve fair-share problems that involve 2 and 4 sharers, respectively, and have remainders of 1 or 2

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represent and solve equal-group problems where the total number of items is no more than 10, including problems in which each group is a half, using tools and drawings

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recognize that one half and two fourths of the same whole are equal, in fair-sharing contexts

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use drawings to compare and order unit fractions representing the individual portions that result when a whole is shared by different numbers of sharers, up to a maximum of 10

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use the properties of addition and subtraction, and the relationship between addition and subtraction, to solve problems and check calculations

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recall and demonstrate addition facts for numbers up to 10, and related subtraction facts

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use objects, diagrams, and equations to represent, describe, and solve situations involving addition and subtraction of whole numbers that add up to no more than 50

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recall and demonstrate addition facts for numbers up to 10, and related subtraction facts

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use objects, diagrams, and equations to represent, describe, and solve situations involving addition and subtraction of whole numbers that add up to no more than 50

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use mental math strategies, including estimation, to add and subtract whole numbers that add up to no more than 20, and explain the strategies used

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identify and describe the regularities in a variety of patterns, including patterns found in real-life contexts

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create and translate patterns using movements, sounds, objects, shapes, letters, and numbers

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determine pattern rules and use them to extend patterns, make and justify predictions, and identify missing elements in patterns

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create and describe patterns to illustrate relationships among whole numbers up to 50

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identify quantities that can change and quantities that always remain the same in real-life contexts

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determine whether given pairs of addition and subtraction expressions are equivalent or not

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identify and use equivalent relationships for whole numbers up to 50, in various contexts

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solve problems and create computational representations of mathematical situations by writing and executing code, including code that involves sequential events

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read and alter existing code, including code that involves sequential events, and describe how changes to the code affect the outcomes

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sort sets of data about people or things according to one attribute, and describe rules used for sorting

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collect data through observations, experiments, and interviews to answer questions of interest that focus on a single piece of information; record the data using methods of their choice; and organize the data in tally tables

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display sets of data, using one-to-one correspondence, in concrete graphs and pictographs with proper sources, titles, and labels

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order categories of data from greatest to least frequency for various data sets displayed in tally tables, concrete graphs, and pictographs

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analyse different sets of data presented in various ways, including in tally tables, concrete graphs, and pictographs, by asking and answering questions about the data and drawing conclusions, then make convincing arguments and informed decisions

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use mathematical language, including the terms “impossible”, “possible”, and “certain”, to describe the likelihood of events happening, and use that likelihood to make predictions and informed decisions

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make and test predictions about the likelihood that the categories in a data set from one population will have the same frequencies in data collected from a different population of the same size

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sort three-dimensional objects and two-dimensional shapes according to one attribute at a time, and identify the sorting rule being used

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construct three-dimensional objects, and identify two-dimensional shapes contained within structures and objects

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construct and describe two-dimensional shapes and three-dimensional objects that have matching halves

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describe the relative locations of objects or people, using positional language

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give and follow directions for moving from one location to another

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identify measurable attributes of two-dimensional shapes and three-dimensional objects, including length, area, mass, capacity, and angle

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compare several everyday objects and order them according to length, area, mass, and capacity

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read the date on a calendar, and use a calendar to identify days, weeks, months, holidays, and seasons

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identify the various Canadian coins up to 50¢ and coins and bills up to $50, and compare their values

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