Grade 2 Math Outcomes

 

GCO A     Students will demonstrate number sense and apply number theory concepts.

A1             order numbers and use ordinal language

A2             count in a variety of ways

A3             estimate the size of numbers to the nearest multiple of 10

A4             identify simple fractions using models

A5             describe numbers in a variety of ways

A6             demonstrate an understanding of base -10 groupings

A7             model numbers to three places

A8             compare and order numbers by size

A9             recognize, extend, and create simple place-value patterns

 

GCO B     Students will demonstrate operation sense and apply operation principles and procedures in both numeric and algebraic situations.

B1             recognize that multiplication can be used to determine the total amount in groups of equal size

B2             recognize that division can mean determining how many groups of a fixed size are in a larger group or fair sharing

B3             demonstrate an understanding that addition can be used to solve subtraction problems and vice versa

B4             create word problems involving addition and subtraction

B5             develop and apply strategies to learn addition and subtraction facts

B6             recall addition facts involving two addends, each less than 10, and the related subtraction facts

B7             demonstrate an understanding of basic principles of addition

B8             add 3 single-digit numbers

B9             model and perform the addition of two 2-digit numbers, with and without regrouping

B10           model and perform the subtraction of two 2-digit numbers, with and without regrouping

B11           estimate the sum or difference of two 2-digit numbers

B12           use technology to solve problems involving sums or differences of larger numbers

 

GCO C     Students will explore, recognize, represent, and apply patterns and relationships, both informally and formally.

C1             compare and contrast patterns

C2             demonstrate an understanding that there are often many ways to continue a pattern, unless a pattern rule is provided

C3             identify and use patterns in an addition table

C4             identify and extend place-value patterns

C5             represent patterns using their own notation or symbolism

C6             solve simple open sentences involving addition and subtraction facts

 

GCO D     Students will demonstrate an understanding of and apply concepts and skills associated with measurement.

D1             identify procedures not involving units to be used to compare areas

D2             demonstrate a sense of how long 1cm and 1m are

D3             estimate and measure length in non-standard and standard units

D4             recognize and explain why standard units are used

D5             demonstrate a sense of how much 1L is

D6             estimate and measure capacity in non-standard and standard units

D7             demonstrate a sense of how much 1kg is

D8             estimate and measure mass using non-standard and standard units

D9             estimate and measure time using non-standard units

D10           read hours and half-hours on a clock

D11           explore properties of the calendar

D12           choose appropriate units with which to estimate and measure, and perform the measurements

D13           demonstrate an understanding that the size of the unit used affects the number describing the measurement

D14           demonstrate an understanding that 100cm make up 1m

 

GCO E     Students will demonstrate spatial sense and apply geometric concepts, properties, and relationships.

E1             develop aspects of spatial sense, including perceptual constancy, perception of spatial relationships, and visual discrimination

E2             recognize 3-D shapes from drawings and from alternative perspectives

E3             sort, build, and pattern with 2-D and 3-D shapes

E4             recognize, name, and represent parallel lines and right angles

E5             recognize, name, describe, and represent parallelograms

E6             recognize, name, describe, and represent triangular, square, and rectangular prisms and pyramids

E7             cut and assemble nets of cubes and triangular, square, and rectangular prisms and pyramids

E8             recognize surfaces and faces of 3-D shapes

E9             sort, build, and pattern with 2-D and 3-D shapes

E10           subdivide and change 2-D figures

E11           recognize, identify, describe, and represent reflective symmetry in 2-D shapes

E12           recognize and identify reflective symmetry in the environment

E13           make the connection between reflective symmetry and one-half using squares, rectangles, and circles

E14           make the connection between even/odd numbers and rectangles

 

GCO F      Students will solve problems involving the collection, display, and analysis of data.

Fl               conduct simple surveys and record data

F2             create and interpret pictographs and symbolic bar graphs

F3             develop and modify predictions with respect to data collected or presented to them

 

GCO G     Students will represent and solve problems involving uncertainty.

G1             demonstrate an understanding that some events are more likely than others

G2             demonstrate an understanding that probability predictions need not always come true