formulas rectangles & parallelograms...
TRANSCRIPT
February 16, 2017
Rectangles & Parallelograms
Summary:
EQ: Why do all mathematicians need to speak the same "language"?
Formulas
Ex
Rectangles & Parallelograms Formulas
Shapes (polygons) have certain properties (rules) that make them that shape.
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
Let's start HERE
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
February 16, 2017
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
How about this one?
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
How about this one?
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
February 16, 2017
What shape do you think goes under each flap?Square Rectangle
Parallelogram Rhombus
So this is?
Aren't ALL of these shapes actually Parallelograms?
Square Rectangle
Parallelogram Rhombus
VocabularyAreaNumber of square units needed to cover a surface.
PerimeterThe distance around the outside of a figure.
3 units
4 units
Area = 12 square units
3 units
4 units
Perimeter = 3 + 4 + 3 + 4 = 14 units
What is the difference between Area and Perimeter?Formulas
February 16, 2017
Formulas Formulas
Formulas How to solve Area and Perimeter problems
The Steps
Let's start with this one
February 16, 2017
A=
How to solve Area and Perimeter problems
Replace variables with numbers.
P=
A=
How to solve Area and Perimeter problems
P=
Replace variables with numbers.
8 yd
A=
How to solve Area and Perimeter problems
Replace variables with numbers.
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Celine's family landscaped their new backyard. The yard is a rectangle 50.2 meters long and 28.2 meters wide. They put a fence around the entire perimeter of the yard. How much fencing did they need?
Ex
February 16, 2017
Summary:
The formula for area of a ___ is ...
Something I learned today is...
The difference between area and perimeter is ...
To find the perimeter of a polygon ...