Public learning track
Partitioning Shapes and Equal-Area Fractions
3rd Grade · Math · Open Global Math
6 lessons
Goal
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.
Featured Diagrams
Partitioning Shapes Into Parts with Equal Areas
6 lessons
0 of 6 done
- 1Partitioning Shapes Into Parts with Equal AreasUp nextStart
- 2Expressing Each Part as a Unit FractionPremiumNot started yet
- 3Verifying Equal Areas with Unit SquaresNot started yet
- 4Equal Shares of Identical Wholes Need Not Have the Same ShapeNot started yet
- 5Cutting and Rearranging Shapes to Show Equal AreaNot started yet
- 6Partitioning Composite Shapes into Equal Area SharesNot 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.