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.

 
10 Lesson(s)
   

Mira Mira The Amazing Mira

4th Grade Science » Unit: Energy
4th Grade Science » Unit: Energy
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

Using a mira, students draw symmetrical pictures and then explain how the mira works using what they know about reflection and the eye.

 
Favorites (5)
 
Resources (27)
 
Reflections (4)
group shot symmetry
   

Monster Plants

4th Grade Science » Unit: Plants: Structures and Processes
4th Grade Science » Unit: Plants: Structures and Processes
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

Given a set of criteria about climate and soil, students research carnivorous plants and create a model that will support their argument of how external parts help this plant survive in its environment.

 
Favorites (14)
 
Resources (24)
 
Reflections (2)
a trap
   

Regular vs. Irregular Polygons

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Kara Nelson
Environment: Urban
 
Big Idea:

Students will complete a powerpoint presentation and will explore the difference between regular and irregular polygons.

 
Favorites (8)
 
Resources (34)
 
Reflections (1)
students exploring
   

Math Foldables - Geometry Assessment

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Rose Monroe
Memphis, TN
Environment: Urban
 
Big Idea:

Foldables are alternative ways to assess students in math.

 
Favorites (9)
 
Resources (12)
 
Reflections (1)
   

Classification of Quadrilaterals

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Kara Nelson
Environment: Urban
 
Big Idea:

Students will investigate and classify quadrilaterals by their properties.

 
Favorites (11)
 
Resources (37)
 
Reflections (2)
exploration
   

Line of Symmetry

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Rose Monroe
Memphis, TN
Environment: Urban
 
Big Idea:

Folding a two-dimensional shape can help a student identify the lines of symmetry.

 
Favorites (7)
 
Resources (17)
 
Reflections (1)
   

Little Bears Vest - A lesson on Symmetry

4th Grade Math » Unit: Geometry
4th Grade Math » Unit: Geometry
Melissa Romano
Helena, MT
Environment: Suburban
 
Big Idea:

In this partner work lesson, student work with pattern blocks and their creativity to design a shape pattern that has at least one line of symmetry. Students also find the fractional value of each shape and calculate in order to calculate the total value

 
Favorites (4)
 
Resources (9)
 
Reflections (1)
little bear vest
   

Line Symmetry

5th Grade Math » Unit: Targeted Skills Interventions
5th Grade Math » Unit: Targeted Skills Interventions
Erin Doughty
Grand Rapids, MI
Environment: Urban
 
Big Idea:

Half and Half!

 
Favorites (1)
 
Resources (9)
screen shot 2014 06 06 at 6 01 02 pm
   
4th Grade Math » Unit: Geometry
Mary Ellen Kanthack
Genoa City, WI
Environment: Rural
 
Big Idea:

Students use the design they created in the last lesson to write an explanation of what they discovered about its symmetry.

 
Favorites (3)
 
Resources (14)
 
Reflections (1)
writing about
   

Tangrams with Grandfather Tang

5th Grade Math » Unit: Geometry
5th Grade Math » Unit: Geometry
Cathy Skinner
Scottsdale, AZ
Environment: Urban
 
Big Idea:

Creating rich tasks through integrating literature, positive interactions, and kinesthetic tasks when exploring geometric two dimensional shapes.

 
Favorites (23)
 
Resources (21)
 
Reflections (1)
labeling the tangram shape example
Common Core Math
 
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