**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