6.G.A.1

Find area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.

 
53 Lesson(s)
   

Area of Composite Shapes

6th Grade Math » Unit: Geometry
6th Grade Math » Unit: Geometry
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

How can you find the area of this shape? Students apply their knowledge of area to find the area of composite shapes.

 
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Resources (30)
 
Reflections (1)
pennant 48962 640
   

Equivalent Numerical Expressions, Day 1 of 2

6th Grade Math » Unit: Intro to 6th Grade Math & Number Characteristics
6th Grade Math » Unit: Intro to 6th Grade Math & Number Characteristics
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

How can you represent the area of a diagram using numerical expressions? Students apply their knowledge of area and order of operations to match area diagrams with numerical expressions.

 
Favorites (23)
 
Resources (34)
 
Reflections (1)
classroom
   

Area of Triangles

6th Grade Math » Unit: Geometry
6th Grade Math » Unit: Geometry
Andrea Palmer
Somerville, MA
Environment: Urban
 
Big Idea:

How can you find the area of a triangle? How can you tell if two triangles have the same area? Students develop strategies for finding area of triangles.

 
Favorites (25)
 
Resources (32)
 
Reflections (2)
images 2
   

Exploring the Distributive Property

6th Grade Math » Unit: Expressions
6th Grade Math » Unit: Expressions
Michelle Schade
Plainfield, IL
Environment: Suburban
 
Big Idea:

Area models and expressions will help build a solid foundation of how the distributive property works.

 
Favorites (16)
 
Resources (21)
 
Reflections (2)
0002
   

iPhone, iSpy: Cell Phone Triangulation

6th Grade Science » Unit: Forensics
6th Grade Science » Unit: Forensics
Melodie Brewer
Scottsdale, AZ
Environment: Suburban
 
Big Idea:

Cell phones have made communication exponentially easier, and they have done the same for crime investigation!

 
Favorites (8)
 
Resources (17)
 
Reflections (1)
phone
   

Area of Compound Shapes

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

When a compound shape is decomposed into non-overlapping figures, we can can find and combine the area of each individual shape in order to determine the total area.

 
Favorites (15)
 
Resources (23)
 
Reflections (2)
images
   

Shady Figures Stations Activity

6th Grade Math » Unit: Geometry
6th Grade Math » Unit: Geometry
Michelle Schade
Plainfield, IL
Environment: Suburban
 
Big Idea:

Students will reinforcing the concept of finding the area of shaded regions using technology, independent work, and small groups.

 
Favorites (7)
 
Resources (11)
home swimming pools design inspiration
   

Shady Figures

6th Grade Math » Unit: Geometry
6th Grade Math » Unit: Geometry
Michelle Schade
Plainfield, IL
Environment: Suburban
 
Big Idea:

Making use of structure (MP7) to find the area of shaded regions!

 
Favorites (4)
 
Resources (15)
shaded region
   

Area of Compound Shapes, Using Decomposition

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

To determine the area of the compound shape, decompose the shape into recognizable non-overlapping shapes, such as rectangles, squares, parallelograms, trapezoids and triangles.

 
Favorites (12)
 
Resources (19)
images 1
   

Area of Rectangles

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

Area measures the number of square units that cover the inside space of a 2-dimensional figure.

 
Favorites (23)
 
Resources (18)
 
Reflections (1)
rectangle area lesson image
   

Area of Trapezoids

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

Formulas for calculating the area of shapes can be derived by decomposition into shapes for which an area formula is already known.

 
Favorites (9)
 
Resources (17)
download 1
   

Area of Triangles, Applying the Formula

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

Given the dimensions, the formula A= ½bh can be used to find the area of all triangles, regardless of the size of the triangle.

 
Favorites (12)
 
Resources (18)
download
   

Area of Parallelograms, Applying the Formula

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

We find the area of a rectangle by multiplying the length by the width. We find the area of a parallelogram by multiplying the base by the height.

 
Favorites (11)
 
Resources (20)
 
Reflections (1)
images
   

Rectangles with the Same Area and Different Perimeters

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

Rectangles that have the same area can have different perimeters.

 
Favorites (12)
 
Resources (18)
 
Reflections (1)
same area diff perim image
   

Rectangles with the Same Perimeters and Different Areas

6th Grade Math » Unit: Area of Two Dimensional Figures
6th Grade Math » Unit: Area of Two Dimensional Figures
Carla Seeger
New Haven, CT
Environment: Urban
 
Big Idea:

Rectangles with the same perimeter can have different areas depending on their dimensions.

 
Favorites (7)
 
Resources (17)
rectangle diff perim resized
Common Core Math
 
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