Public learning track
Symmetry, Reflections, Translations, and Rotations
3rd Grade · Math · Open Global Math
7 lessons
Goal
Identify lines of symmetry, perform and describe reflections, translations, and rotations, and analyze geometric patterns in nature and art.
Featured Diagrams
Finding and Drawing Lines of Symmetry in 2D Shapes
7 lessons
0 of 7 done
- 1Finding and Drawing Lines of Symmetry in 2D ShapesUp nextStart
- 2Symmetry in Nature, Architecture, and Cultural ArtPremiumNot started yet
- 3Completing Symmetric Figures Across a Mirror LineNot started yet
- 4Reflecting 2D Shapes Across Vertical and Horizontal Mirror LinesNot started yet
- 5Translating Points and Line Segments on GridsNot started yet
- 6Rotating Shapes by Quarter, Half, and Three-Quarter TurnsNot started yet
- 7Making Repeating Tile PatternsNot started yet
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.