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INNOVATIVE LESSON PLAN 
RENJINI K.R 
B.Ed MATHEMATICS 
REG NO: 13304009
Area of Parallelograms 
Standard 8
Goal 
Find the area of parallelograms.
Key Vocabulary 
Base of a parallelogram 
Height of a parallelogram 
Parallelogram 
Rhombus
Parallelogram 
A parallelogram is a quadrilateral 
where the opposite sides are 
congruent and parallel. 
A rectangle is a...
The Base of a Parallelogram 
Either pair of parallel sides of a 
parallelogram are called the bases of the 
parallelogram....
The Height of a Parallelogram 
The shortest distance (perpendicular distance) 
between the bases of a parallelogram is cal...
Area of Parallelogram 
What is the area 
of this parallelogram? 
b=base 
h=height
Area of Parallelogram 
What is the area 
of this parallelogram? 
b=base 
CUT HERE! 
h=height
Area of Parallelogram 
What is the area 
of this parallelogram? 
MOVE TO HERE! 
b=base 
h=height
Area of Parallelogram 
It’s the same as 
the area of this rectangle 
h=height 
b=base
Area of Parallelogram 
Arearectangle= base x height 
(perpendicular height h) 
h=height 
b=base
Area of Parallelogram 
Areaparallelogram = base x height 
(perpendicular height h) 
b=base 
h=height
Area of Parallelogram 
b 
h 
Words: 
Area =(base)(height) 
Symbols: A = bh 
Very Important: The height must be perpendicul...
Example 1 Find the Area of a Parallelogram 
Find the area of the parallelogram. 
SOLUTION 
Use the formula for the area of...
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  1. 1. INNOVATIVE LESSON PLAN RENJINI K.R B.Ed MATHEMATICS REG NO: 13304009
  2. 2. Area of Parallelograms Standard 8
  3. 3. Goal Find the area of parallelograms.
  4. 4. Key Vocabulary Base of a parallelogram Height of a parallelogram Parallelogram Rhombus
  5. 5. Parallelogram A parallelogram is a quadrilateral where the opposite sides are congruent and parallel. A rectangle is a type of parallelogram, but we often see parallelograms that are not rectangles (parallelograms without right angles).
  6. 6. The Base of a Parallelogram Either pair of parallel sides of a parallelogram are called the bases of the parallelogram. base base
  7. 7. The Height of a Parallelogram The shortest distance (perpendicular distance) between the bases of a parallelogram is called the height of the parallelogram. The height of the parallelogram is always perpendicular to the bases.
  8. 8. Area of Parallelogram What is the area of this parallelogram? b=base h=height
  9. 9. Area of Parallelogram What is the area of this parallelogram? b=base CUT HERE! h=height
  10. 10. Area of Parallelogram What is the area of this parallelogram? MOVE TO HERE! b=base h=height
  11. 11. Area of Parallelogram It’s the same as the area of this rectangle h=height b=base
  12. 12. Area of Parallelogram Arearectangle= base x height (perpendicular height h) h=height b=base
  13. 13. Area of Parallelogram Areaparallelogram = base x height (perpendicular height h) b=base h=height
  14. 14. Area of Parallelogram b h Words: Area =(base)(height) Symbols: A = bh Very Important: The height must be perpendicular to the base.
  15. 15. Example 1 Find the Area of a Parallelogram Find the area of the parallelogram. SOLUTION Use the formula for the area of a parallelogram. Substitute 9 for b and 6 for h. A = bh Formula for the area of a parallelogram = (9)(6) Substitute 9 for b and 6 for h. = 54 Multiply. The parallelogram has an area of 54 square meters. ANSWER

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