Better Lesson
Better Lesson: Building Shapes Review of 2 D Shapes
What do students love more than building? Building with marshmallows! In this instructional activity, students get to build shapes with marshmallows and toothpicks. Included are an extensive lesson plan, a video showing examples, a...
Illustrative Mathematics
Illustrative Mathematics: 1.g 3 D Shape Sort
As a whole group, students will sort a collection of three-dimensional objects into categories by shape. There should be several that fall into each of the categories below: Aligns with 1.G.A.1.
Illustrative Mathematics
Illustrative Mathematics: 1.g All vs. Only Some
In this lesson, students come up with statements that is true about all of the triangles that they see but not true of all triangles in general, then the teacher should ask students if they can imagine a triangle without that attribute.:...
Khan Academy
Khan Academy: Name Shapes 3
Practice identifying circles, triangles, squares, rectangles, rhombuses, trapezoids, and hexagons. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
ClassFlow
Class Flow: Geometrical Attributes
[Free Registration/Login Required] This flipchart covers the attributes of several geometric shapes.