Public learning track
Two-Dimensional Shapes and Polygons
2nd Grade · Math · Open Global Math
8 lessons
Goal
Identify, describe, compare, and draw polygons from triangles up to 12-sided shapes using sides, vertices, and angles.
Featured Diagrams
Identifying Polygons: Straight Sides and Closed Figures
8 lessons
0 of 8 done
- 1Identifying Polygons: Straight Sides and Closed FiguresUp nextStart
- 2Defining Triangles by Their Three Sides and VerticesPremiumNot started yet
- 3Identifying Right Triangles Using Square CornersNot started yet
- 4Identifying Pentagons and HexagonsNot started yet
- 5Identifying Heptagons, Octagons, and DecagonsNot started yet
- 6Exploring Polygons Up to 12 SidesNot started yet
- 7Comparing Regular and Irregular PolygonsNot started yet
- 8Drawing Polygons on Grid and Dot PaperNot started yet
Curriculum Framework
2nd Grade · Math · Open Global Math
1
8 lessons
Two-Dimensional Shapes and Polygons
Identify, describe, compare, and draw polygons from triangles up to 12-sided shapes using sides, vertices, and angles.
2
6 lessons
Classifying Quadrilaterals and Angle Properties
Classify, compare, and sort quadrilaterals based on right angles, parallel sides, and equal side lengths.
3
6 lessons
Composing, Decomposing, and Partitioning Shapes
Compose and decompose geometric shapes and partition rectangles into rows and columns of equal-sized unit squares.
4
8 lessons
Three-Dimensional Solids, Faces, and Nets
Identify, describe, and build 3D solids by analyzing faces, edges, vertices, 2D face prints, and unfolded nets.
5
7 lessons
Symmetry and Geometric Transformations
Identify and draw lines of symmetry in shapes and artwork, and perform reflections and translations.
6
7 lessons
Position, Direction, Grid Maps, and Turns
Describe movement, coordinates, and pathways using cardinal directions, relative position, and angle turns.