Number Sense and Numeration

Representing and ordering whole numbers to 50.

Establishing the conservation of number.

Representing money amounts to 20¢.

Decomposing and composing numbers to 20.

Establishing a one-to-one correspondence when counting the elements in a set.

Counting by 1’s, 2’s, 5’s, and 10’s.

Adding and subtracting numbers to 20

Measurement

Measuring using non-standard units.

Telling time to the nearest half-hour.

Developing a sense of area.

Comparing objects using measurable attributes.

Comparing objects using non-standard units.

Investigating the relationship between the size of a unit and the number of units needed to measure the length of an object.

Geometry and Spatial Sense

Sorting and classifying two-dimensional shapes and three-dimensional figures by attributes.

Recognizing symmetry; relating shapes to other shapes, to designs, and to figures.

Describing location using positional language.

Patterning and Algebra

Creating and extending repeating patterns involving one attribute.

introducing the concept of equality using only concrete materials

Data Management and Probability

Organizing objects into categories using one attribute.

Collecting and organizing categorical data.

Reading and displaying data using concrete graphs and pictographs.

Describing the likelihood that an event will occur.

Number Sense and Numeration

Representing and ordering numbers to 100

Representing money amounts to 100¢.

Decomposing and composing two-digit numbers.

Investigating fractions of a whole.

Counting by 1’s, 2’s, 5’s, 10’s, and 25’s.

Adding and subtracting two-digit numbers in a variety of ways.

Relating equal-sized groups to multiplication and relating sharing.

Equally to division.

Measurement

Measuring length using centimetres and metres.

Telling time to the nearest quarter-hour.

Measuring perimeter, area, mass, and capacity using non-standard units.

Describing and establishing temperature change.

Choosing personal referents for the centimetre and the metre.

Comparing the mass and capacity of objects using non-standard units.

Relating days to weeks and months to years.

Geometry and Spatial Sense

Distinguishing between attributes that are geometric properties and attributes that are not geometric properties.

Classifying two-dimensional shapes by geometric properties (number of sides and vertices).

Classifying three-dimensional figures by geometric properties (number and shape of faces).

Locating a line of symmetry.

Composing and decomposing shapes.

Describing relative locations and paths of motion.

Patterning and Algebra

Identifying and describing repeating patterns and growing and shrinking patterns.

Developing the concept of equality using the addition and subtraction of numbers to 18 and the equal sign.

Using the commutative property and the property of zero in addition to facilitate computation.

Data Management and Probability

Organizing objects into categories using two attributes.

Collecting and organizing categorical and discrete data.

Reading and displaying data using line plots and simple bar graphs.

Describing probability, in simple games and experiments, as the likelihood that an event will occur.