
2Grade 2 Standards
Top Mathematicians

Arithmetic: Meaning of operations involving numbers

2.ARTM.1.1.1
Determines the operation(s) to perform in a given situation


2.ARTM.1.1.2
Uses objects, diagrams or equations to represent a situation and conversely, describes a situation represented by objects, diagrams or equations (use of different meanings of addition and subtraction) for transformation (adding, taking away), uniting, comparing

2.ARTM.1.1.3
Uses objects, diagrams or equations to represent a situation and conversely, describes a situation represented by objects, diagrams or equations (use of different meanings of multiplication and division) for rectangular arrays, repeated addition, Cartesian product, sharing, and number of times x goes into y (using objects and diagrams)


2.ARTM.1.1.4
Establishes equality relations between numerical expressions (e.g. 3 + 2 = 6  1)


2.1420

2.1515

2.165

2.1710

2.1810

2.1910

2.2020

2.3110

2.3210

2.3320

2.3420

2.3515

2.3620

2.3720

2.3820

2.3920

2.4020

2.4110

2.4220


2.ARTM.1.1.5
Determines numerical equivalencies using relationships between operations (addition and subtraction) and the commutative property of addition

2.ARTM.1.1.1

Probability

2.PR.1.1.1
When applicable, recognizes variability in possible outcomes (uncertainty)


2.PR.1.1.2
When applicable, recognizes equiprobability (e.g. quantity, symmetry of an object [cube])


2.PR.1.1.3
When applicable, becomes aware of the independence of events in an experiment


2.PR.1.1.4
Experiments with activities involving chance, using various objects (e.g. spinners, rectangular prisms, glasses, marbles, thumb tacks, 6, 8 or 12sided dice)


2.PR.1.1.5
Predicts qualitatively an outcome or several events using a probability line, among other things (certain, possible or impossible outcome)


2.PR.1.1.6
Distinguishes between prediction and outcome


2.PR.1.1.7
Uses tables or diagrams to collect and display the outcomes of an experiment


2.PR.1.1.8
Enumerates possible outcomes of a simple random experiment


2.PR.1.1.1

Measurement

2.MT.1.1.1
Compares lengths


2.MT.1.1.2
Constructs rulers


2.MT.1.1.3
Estimates and measures the dimensions of an object using unconventional units


2.MT.1.1.4
Estimates and measures the dimensions of an object using conventional units: metre, decimetre and centimetre


2.MT.1.2.1
Estimates and measures time using conventional units


2.MT.1.2.2
Establishes relationships between units of measure


2.MT.1.3.1
Estimates and measures temperature using conventional units


2.MT.1.1.1

Statistics

2.ST.1.1.1
Formulates questions for a survey (based on ageappropriate topics, students' language level, etc.)


2.ST.1.1.2
Collects, describes and organizes data (classifies or categorizes) using tables


2.ST.1.1.3
Interprets data using a table, a bar graph and a pictograph


2.ST.1.1.4
Displays data using a table, a bar graph and a pictograph


2.ST.1.1.1

Geometry

2.G.1.1.1
Gets his/her bearings and locates objects in space (spatial relationships)


2.G.1.1.2
Locates objects in a plane


2.G.1.1.3
Locates objects on an axis (based on the types of numbers studied)


2.G.1.1.4
Locates points in a Cartesian plane in the first quadrant


2.G.1.2.1
Compares objects or parts of objects in the environment with solids (e.g. spheres, cones, cubes, cylinders, prisms, pyramids)


2.G.1.2.2
Compares and constructs solids (e.g. spheres, cones, cubes, cylinders, prisms, pyramids)


2.G.1.2.3
Identifies the main solids (e.g. spheres, cones, cubes, cylinders, prisms, pyramids)


2.G.1.2.4
Identifies and represents the different faces of a prism or pyramid


2.G.1.2.5a
Matches the net of a prism to the corresponding prism and vice versa


2.G.1.2.5b
Matches the net of a pyramid to the corresponding pyramid and vice versa


2.1395


2.G.1.3.1
Compares and constructs figures made with closed curved lines or closed straight lines


2.G.1.3.2
Identifies plane figures (square, rectangle, triangle, rhombus and circle)

2.G.1.3.3
Describes plane figures (square, rectangle, triangle and rhombus)


2.1355


2.G.1.4.1
Identifies congruent figures


2.G.1.4.2
Observes and produces patterns using geometric figures


2.1215


2.G.1.1.1

Arithmetic: Operations involving numbers

2.ARTO.1.1.1
Approximates the result of an addition or subtraction involving natural numbers


2.ARTO.1.1.2a
Builds a repertoire of memorized addition and subtraction facts


2.ARTO.1.1.2b
Builds a memory of addition facts (0 + 0 to 10 + 10) and the corresponding subtraction facts, using objects, drawings, charts or tables

2.ARTO.1.1.2c
Develops various strategies that promote mastery of number facts and relates them to the properties of addition

2.ARTO.1.1.2d
Masters all addition facts (0 + 0 to 10 + 10) and the corresponding subtraction facts


2.8315

2.845

2.8510

2.8620

2.8710

2.8850

2.9620

2.1420

2.1515

2.165

2.1710

2.1810

2.7710


2.ARTO.1.1.3
Develops processes for mental computation that uses their own processes to determine the sum or difference of two natural numbers

2.ARTO.1.1.4
Develops processes for written computation (addition and subtraction) that uses their own processes as well as objects and drawings to determine the sum or difference of two natural numbers less than 1000


2.6520

2.675

2.685

2.6910

2.8510

2.8620

2.7015

2.7215

2.8710

2.895

2.9120

2.9215

2.9315

2.9420

2.9515

2.9720

2.9810

2.9915

2.10020

2.10115

2.10220

2.10320

2.10420

2.10520

2.10615

2.10715

2.1810


2.ARTO.1.1.5
Determines the missing term in an equation (relationships between operations): a + b =__, a + __ = c, __ + b = c, a  b = __, a  __= c, __  b = c

2.ARTO.1.1.6a
Using their own words and mathematical language that is at an appropriate level for the cycle, describes nonnumerical patterns (e.g. series of colours, shapes, sounds, gestures)


2.ARTO.1.1.6b
Using their own words and mathematical language that is at an appropriate level for the cycle, describes numerical patterns (e.g. number rhymes, tables and charts)

2.ARTO.1.1.6c
Using their own words and mathematical language that is at an appropriate level for the cycle, describes series of numbers and family of operations

2.ARTO.1.1.7
Adds new terms to a series when the first three terms or more are given


2.520

2.1215


2.ARTO.1.1.8
Uses a calculator and becomes familiar with its basic functions (+, , =, 0 to 9 number keys, all clear, clear)


2.ARTO.1.1.1

Arithmetic: Understanding and writing numbers

2.ARTU.1.1.10
Locates natural numbers up to 1000 using different visual aids (e.g. hundreds chart, number strip, number line)

2.ARTU.1.1.11
Identifies properties of natural numbers up to 1000: odd or even numbers


2.5010

2.5110


2.ARTU.1.1.12
Classifies natural numbers up to 1000 in various ways, based on their properties (e.g. even numbers, composite numbers)


2.5010

2.5110


2.ARTU.1.1.13
Approximates a collection, using objects or drawings (e.g. estimate, round up/down to a given value up to 1000)


2.ARTU.1.1.1a
Counts or recites counting rhymes involving natural numbers up to 1000


2.ARTU.1.1.1b
Counts forward from a given number up to 1000


2.ARTU.1.1.1c
Counts forward or backward up to 1000


2.ARTU.1.1.1d
Skip counts (e.g. by twos) up to 1000


2.ARTU.1.1.2a
Counts collections (using objects or drawings) up to 1000


2.ARTU.1.1.2b
Counts from a given number up to 1000


2.ARTU.1.1.2c
Counts a collection by grouping or regrouping

2.ARTU.1.1.3
Reads and writes any natural number up to 1000


2.ARTU.1.1.4a
Represents natural numbers up to 1000 in different ways or associates a number with a set of objects or drawings with emphasis on apparent, accessible groupings using objects, drawings or unstructured materials (e.g. tokens, nesting cubes, groups of ten objects placed inside a bag and ten of these bags placed inside another container)


2.ARTU.1.1.4b
Represents natural numbers up to 1000 in different ways or associates a number with a set of objects or drawings with emphasis on exchanging apparent, nonaccessible groupings, using structured materials (e.g. base ten blocks, number tables)

2.ARTU.1.1.5
Composes and decomposes a natural number up to 1000 in a variety of ways (e.g. 123 = 100 + 23, 123 = 100 + 20 + 3, 123 = 50 + 50 + 20 + 3, 123 = 50 + 30  7, 123 = 2 — 60 + 3)


2.ARTU.1.1.6
Identifies equivalent expressions (e.g. 52 = 40 + 12, 25 + 27 = 40 + 12, 52 = 104 ÷ 2)


2.1420

2.1515

2.165

2.1710

2.1810

2.1910

2.2020

2.2920

2.3010


2.ARTU.1.1.7
Compares natural numbers up to 1000


2.ARTU.1.1.8
Arranges natural numbers up to 1000 in increasing or decreasing order


2.ARTU.1.1.9
Describes number patterns up to 1000, using his/her own words and appropriate mathematical vocabulary (e.g. even numbers, odd numbers, square numbers, triangular numbers, prime numbers, composite numbers)


2.ARTU.1.2.1
Identifies fractions related to everyday items (using objects or drawings)


2.ARTU.1.2.2
Represents a fraction in a variety of ways, based on a whole or a collection of objects

2.ARTU.1.1.10