CCSS.Math.Content.4.G.A.3 - 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.

 
Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.4.G.A.3 Recognize A Line Of Symmetry For A Two-dimensional Figure As A Line... Geometry - 4th Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

Copyright Date: 2010

(Page last edited 10/08/2017)

1. Geometry in the World of Art - Online lesson with materials and activities included.
2. Line Symmetry - Online lesson with examples of symmetry.
3. Line Symmetry - Online lesson with independent practice.
4. Lines of Symmetry - s the dotted line a line of symmetry?
5. Symmetry - Drag line of symmetry in correct position.
6. Symmetry - Worksheet; introduction and exercises.
7. Symmetry - Worksheet; introduction and exercises.
8. Symmetry Activity - Interactive applet; In this activity students will practice making patterns that have symmetry.
9. Working with Line Symmetry - Online quiz; good for whole class review.