

surface area 7th grade
Presentation
•
Mathematics
•
6th - 7th Grade
•
Medium
Standards-aligned
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7 Slides • 3 Questions
1
surface area 7th grade
notes

2
what were going to learn in this lesson
understanding surface area
being able to find surface area
identifying surface area
3
what is surface area?
surface area is the total surface of a 3D figure .
4
key words for finding surface area
around
cover
wrapped
5
triangular prisms
have 5 sides
2 triangles
2 side rectangles
1 bottom rectangle
6
rectangular prisms
have 6 sides
2 squares
1 top rectangle
1 bottom rectangle
1 front rectangle
1 back rectangle
7
formulas
area of a triangle = lxwxh/2 OR bxh/2
surface area of a triangular prism = find the area of all sides and add.
area of a rectangle = lxw
area of a rectangular prism= find the area of all sides then add
area of a cube = lxw
surface area of a cube = find the area of all sides and add
8
Multiple Choice
Find the surface area of this figure.
148 cm²
120 cm²
158 cm²
208 cm²
9
Multiple Choice
10
Multiple Choice
surface area 7th grade
notes

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