Geometry Review
Presentation
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Mathematics
•
4th - 6th Grade
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Practice Problem
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Hard
KRISTIN HARDWICK
Used 12+ times
FREE Resource
7 Slides • 0 Questions
1
Geometry Review
Perimeter & Area of Squares, Rectangles, and Triangles
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Find the perimeter.
You can add it all up... 3 + 7 + 3 + 7
or you can use the formula
(2 x 3) + (2 x 7).
3 + 7 + 3 + 7 = 20 units
(2x3) + (2x7)
6 + 14 = 20 units
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Find the area.
You multiply the length x width.
7 x 3 = 21 square units
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Find the area.
Area of a triangle is found by multiplying the base x height and then dividing by 2 (or taking 1/2).
14 x 10 = 140
140 2 = 70 square meters
Geometry Review
Perimeter & Area of Squares, Rectangles, and Triangles
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