3.MD.C.7a

Find the area of a rectangle with whole-number side lengths by tiling it, and show that the area is the same as would be found by multiplying the side lengths.

 
5 Lesson(s)
   

How Much Paint Do We Need?

3rd Grade Math » Unit: Going Batty Over Measurement and Geometry
3rd Grade Math » Unit: Going Batty Over Measurement and Geometry
Michelle Marcus
Troy, MI
Environment: Suburban
 
Big Idea:

This lesson is a real world task that combines many skills the students have learned throughout the school year.

 
Favorites (3)
 
Resources (8)
 
Reflections (1)
bat house paint
   

Making Sense of Area Formulas

7th Grade Math » Unit: Exploring Area & Perimeter
7th Grade Math » Unit: Exploring Area & Perimeter
Erica Burnison
Dixon, CA
Environment: Suburban
 
Big Idea:

There are multiple strategies for calculating area and the formula represents the simplest most efficient method.

 
Resources (10)
014
   

Sorting Out Perimeter

7th Grade Math » Unit: Exploring Area & Perimeter
7th Grade Math » Unit: Exploring Area & Perimeter
Erica Burnison
Dixon, CA
Environment: Suburban
 
Big Idea:

The structure of the figure is what determines the formulas for area and perimeter.

 
Favorites (2)
 
Resources (16)
sorting out perimeter
   

Math Scavenger Hunt (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 demonstrate mathematical thinking with real world examples.

 
Favorites (4)
 
Resources (11)
 
Reflections (1)
treasure map
   

Build A Rectangle With A Given Area

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

This lesson moves students from whole to part/part thinking, using area as the whole and finding ways to work backwards to determine the parts.

 
Favorites (1)
 
Resources (10)
 
Reflections (1)
sandbox
Common Core Math
 
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