Standard 3: Understands and Applies Properties of Geometry

Mathematics Curriculum Guide

Diocese of Sioux City

Grade 2

Standard 3

Standard 3: Understands and applies properties of geometry.

Benchmark 1: Identifies similarities and differences between simple geometric shapes

Critical Objectives:

2.3.1.1.  Uses attributes to describe plane and solid shapes (ITBS)*

2.3.1.2.  Knows the attributes of common solid shapes

2.3.1.3.  Knows how to determine the number of sides, faces, and vertices of solids

2.3.1.4.  Identifies and compares plane shapes and solid shapes including faces, edges, and vertices (ITBS)

2.3.1.5.  Predicts the result of taking apart and putting together shapes (ITBS)

2.3.1.6.  Identifies solid figures (i.e. cube, sphere, solid, rectangle solid, cone, cylinder)

2.3.1.7.  Identifies faces of solid figures as basic geometrical shapes

2.3.1.8.  Names corners, edges, and faces of solid figures

2.3.1.9.  Draws plane figures from solids

Standard 3: Understands and applies properties of geometry.

Benchmark 2: Uses coordinate geometry to describe relationships

Critical Objectives:

2.3.2.1.  Describes direction and distance on the coordinate plane

2.3.2.2.  Understands two numbers are needed for naming location on a grid

2.3.2.3.  Uses two numbers to locate a point on a coordinate grid

2.3.2.4.  Identifies coordinate pairs for a point on a coordinate grid

Standard 3: Understands and applies properties of geometry.

Benchmark 3: Identifies transformations and symmetry

Critical Objectives:

2.3.3.1.  Predicts the results of transformations

2.3.3.2.  Understands slides, flips, and turns are transformations

2.3.3.3.  Makes designs using transformations

2.3.3.4.  Predicts the result of transformations

2.3.3.5.  Describes various forms of symmetry

2.3.3.6.  Understands there are various forms of symmetry

2.3.3.7.  Identifies quarter, half, and three-quarters turns

2.3.3.8.  Create shapes with line and rotational symmetry

Standard 3: Understands and applies properties of geometry.

Benchmark 4: Uses geometric reasoning to solve problems

Critical Objectives:

2.3.4.1.  Uses different perspectives to describe the same structure (ITBS)*

2.3.4.2.  Understands different viewpoints create different

2.3.4.3.  Knows solids have different nets

2.3.4.4.  Identifies three-dimensional objects from two-dimensional drawings

2.3.4.5.  Creates images from a different point of view (ITBS)

2.3.4.6.  Constructs a solid from its net

2.3.4.7.  Recognizes a solid and its nets

2.3.4.8.  Continues a geometric pattern (ITBS)

2.3.4.9.  Recognizes plane and solid shapes in different positions (ITBS)

Diocese of Sioux City - 3 - 2006