Public learning track
Three-Dimensional Solids, Faces, Edges, Vertices, and Nets
3rd Grade · Math · Open Global Math
7 lessons
Goal
Analyze properties of 3D solids (prisms, pyramids, cylinders, cones, spheres), connect solids to 2D nets, and construct 3D geometric models.
Featured Diagrams
Classifying Prisms, Pyramids, Cylinders, Cones, and Spheres
7 lessons
0 of 7 done
- 1Classifying Prisms, Pyramids, Cylinders, Cones, and SpheresUp nextStart
- 2Counting Faces, Edges, and Vertices of PolyhedraPremiumNot started yet
- 3Comparing Triangular and Rectangular PrismsNot started yet
- 4Comparing Prisms and PyramidsNot started yet
- 5Matching Nets to Prisms, Cylinders, and PyramidsNot started yet
- 6Identifying Valid and Invalid Cube NetsNot started yet
- 7Building 3D Solids from 2D Nets and Skeletal ModelsNot started yet
Standards Covered
- OGM.4.G.1Open Global Math Standards 2026™ · Math · Level 4 / Grade 3 (Age 8) · Grade 3Classify, describe, and compare two-dimensional shapes (triangles: acute, right, obtuse, isosceles, equilateral; quadrilaterals: rectangles, squares, rhombuses, parallelograms, trapezoids) and three-dimensional solids (cubes, rectangular/triangular prisms, pyramids, cylinders, cones, spheres) based on sides, vertices, edges, and face properties.
- OGM.4.G.5Open Global Math Standards 2026™ · Math · Level 4 / Grade 3 (Age 8) · Grade 3Identify and describe lines of symmetry, reflectional symmetry, translation (slides), and rotation (turns) in 2D shapes, artwork, nature, and the environment; build 3D solids from 2D nets/representations and construct designs using geometric transformations.
Curriculum Framework
3rd Grade · Math · Open Global Math
1
8 lessons
Lines, Rays, Line Segments, and Intersections
Identify and draw points, lines, line segments, rays, horizontal, vertical, oblique, parallel, and perpendicular lines, and understand paths between points.
2
9 lessons
Angles as Turns, Classification, and Protractor Measurement
Understand angles as geometric turns, classify acute, right, obtuse, and straight angles, and measure and draw benchmark angles using protractors.
3
8 lessons
Classifying and Comparing 2D Shapes: Triangles and Quadrilaterals
Classify, describe, and compare triangles and quadrilaterals by side lengths, angle types, and parallel or perpendicular side properties.
4
6 lessons
Partitioning Shapes and Equal-Area Fractions
Partition 2D shapes into equal-area parts, represent each part as a unit fraction of the whole, and understand that equal-area parts can have different shapes.
5
7 lessons
Three-Dimensional Solids, Faces, Edges, Vertices, and Nets
Analyze properties of 3D solids (prisms, pyramids, cylinders, cones, spheres), connect solids to 2D nets, and construct 3D geometric models.
6
7 lessons
Symmetry, Reflections, Translations, and Rotations
Identify lines of symmetry, perform and describe reflections, translations, and rotations, and analyze geometric patterns in nature and art.
7
9 lessons
Grid Coordinates, Maps, Compass Directions, and Multi-View Perspectives
Read and create grid maps, navigate using cardinal and intercardinal compass directions and perspective relative positions, and interpret multi-view elevations of 3D objects.