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I can tell when a measurement is describing perimeter, and solve for a shapeโs perimeter.
Common Core Standards: Grade 3
Measurement & Data: Geometric measurement: Recognize perimeter as an attribute of plane figures and distinguish between linear and area measures.
3.MD.D.8: Solve real-world and mathematical problems involving perimeters of polygons, including finding the perimeter given the side lengths, finding an unknown side length, and exhibiting rectangles with the same perimeter and different areas or with the same area and different perimeters.
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What is the perimeter this figure?
* show your work!
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What is the perimeter this figure?
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What is the perimeter this figure?
* show your work!
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LLC All rights reserved
What is the perimeter this figure?
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LLC All rights reserved
What is the perimeter this figure?
* show your work!
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LLC All rights reserved
What is the perimeter this figure?
* show your work!
units
LLC All rights reserved
What is the perimeter this figure?
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What is the perimeter this figure?
16 units
Perimeter:
1 + 1+ 1+ 1+ 1 + 4 + 3 + 4 = 16
What is the perimeter this rectangle?
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units
What is the perimeter this rectangle?
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Perimeter:
4 + 7 + 4 + 7 = 22 units
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How can you find the perimeter this rectangle?
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How can you find the perimeter this rectangle?
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Perimeter:
6 + 5 + 6 + 5 = P
What is the perimeter this rectangle?
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6 inches
3 inches
inches
What is the perimeter this rectangle?
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6 inches
3 inches
18 inches
Perimeter:
3 + 6 + 3 + 6 = P
Olivia is outlining her rectangular patio with string lights along the edges.
The patio is 11 units long and 8 units wide. How much string lighting does she need?
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Olivia is outlining her rectangular patio with string lights along the edges.
The patio is 11 units long and 8 units wide. How much string lighting does she need?
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11 units
11 units
8 units
8 units
Option B: 38 units
Perimeter:
8 + 11 + 8 + 11 = P
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8 units
8 units
4 units
4 units
How can you find the perimeter this rectangle?
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Perimeter:
8 + 4 + 8 + 4 = P
How can you find the perimeter this rectangle?
Option D:
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8 units
8 units
4 units
4 units