About This Lesson
How many triangles can you spot? A good thinking activity. Aligned with Common Core State Standards: 2.G.1, Reason with shapes and their attributes; 3.G.2, Reason with shapes and their attributes, 4.G.3
Resources
Standards
Recognize and draw shapes having specified attributes, such as a given number of angles or a given number of equal faces. Identify triangles, quadrilaterals, pentagons, hexagons, and cubes.
Partition shapes into parts with equal areas. Express the area of each part as a unit fraction of the whole.
Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry.
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A great starter or wrap up. This will really get children thinking - and arguing (in a good way!)