3.MD.C.7d

Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

 
5 Lesson(s)
   

Design A Space Using Area Models - Day 1 and Day 2

3rd Grade Math » Unit: Measurement
3rd Grade Math » Unit: Measurement
Diane Siekmann
Phoenix, AZ
Environment: Urban
 
Big Idea:

Students use area models to find the total area of a store, home, or other real world space.

 
Favorites (22)
 
Resources (14)
 
Reflections (1)
design an
   

Area and Perimeter Review Using Legos - Days 1-5

3rd Grade Math » Unit: Review for Testing
3rd Grade Math » Unit: Review for Testing
Diane Siekmann
Phoenix, AZ
Environment: Urban
 
Big Idea:

Students calculate area, build areas to a given amount, and calculate the perimeter with the use of Legos.

 
Favorites (5)
 
Resources (5)
legos
   

Area in Real Life With Irregular Polygons

3rd Grade Math » Unit: Measurement
3rd Grade Math » Unit: Measurement
Diane Siekmann
Phoenix, AZ
Environment: Urban
 
Big Idea:

Dividing an irregular shape into rectangles helps students find the area of an irregular shape.

 
Resources (10)
 
Reflections (1)
briefmarke frank stella d4 1997
   

Area of Irregular Polygon

3rd Grade Math » Unit: Measurement
3rd Grade Math » Unit: Measurement
Diane Siekmann
Phoenix, AZ
Environment: Urban
 
Big Idea:

Students look for break apart irregular polygons to make arrays to find the area of these common shapes.

 
Favorites (2)
 
Resources (11)
 
Reflections (1)
irregular polygon
   

Finding Arrays In An Irregular Polygon

3rd Grade Math » Unit: Measurement
3rd Grade Math » Unit: Measurement
Diane Siekmann
Phoenix, AZ
Environment: Urban
 
Big Idea:

Context is developed for students when finding the area of a complex figure by decomposing it into separate arrays and relating it to a real world image and setting.

 
Favorites (3)
 
Resources (10)
 
Reflections (1)
castle wall
Common Core Math
 
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