Aligned Resources

Common Core State Standards
Fourth Grade
Geometry
Draw and identify lines and angles, and classify shapes by properties of their lines and angles.

Lessons  •  Activities  •  Show All

Lessons (4)

Angles

Introduces students to acute, obtuse, and right angles as well as relationships between angles formed by parallel lines crossed by a transversal.

Audiences: Grades 6-8, Grades 9-12

Primary Subjects: Geometry

Related Topics: acute, adjacent, alternate exterior, alternate interior, angles, corresponding, geometry, intersection, lines, obtuse, rays, right angle, transversal, vertical

Angles (elementary)

Students learn about classifying angles by their measure and in relation to angles formed by two lines crossed by a transversal.

Audiences: Grades 3-5

Primary Subjects: Geometry

Related Topics: acute, angles, degrees, intersection, obtuse, rays, right angle

An Introduction To Quadrilaterals

Introduces students to quadrilaterals with an emphasis on defining characteristics of parallelograms, rectangles, and trapezoids.

Audiences: Grades 3-5, Grades 6-8, Grades 9-12

Primary Subjects: Geometry

Related Topics: angles, geometry, parallel, parallelogram, polygon, quadrilaterals, rectangles, rhombus, squares, supplemental, tessellations

Lines, Rays, Line Segments, and Planes

Introduces students to lines, rays, line segments, and planes.

Audiences: Grades 3-5, Grades 6-8

Primary Subjects: Geometry

Related Topics: algebra, axis, coordinate plane, coordinate system, functions, geometry, graph, infinity, lines, number line, planes, rays, segment

Activities (2)

Screenshot of Angles
Angles

Practice your knowledge of acute, obtuse, and alternate angles. Also, practice relationships between angles - vertical, adjacent, alternate, same-side, and corresponding. Angles is one of the Interactivate assessment explorers.

Audiences: Grades 3-5, Grades 6-8, Grades 9-12

Primary Subjects: Geometry

Related Topics: acute, angles, assessment, geometry, lines, obtuse, parallel

Screenshot of Image Tool
Image Tool

Measure angles, distances, and areas in several different images (choices include maps, aerial photos, and others). A scale feature allows the user to set the scale used for measuring distances and areas.

Audiences: Grades 3-5, Grades 6-8, Grades 9-12

Primary Subjects: Geometry

Related Topics: algebra, angles, area, dimension, intervals, length, proportion, scale, transformation