Understanding Perimeter through Table Arrangement

Leah and Pedro push two tables together for a breakfast gathering. The video tutorial explains how to calculate the perimeter of the new table arrangement. It begins by defining the perimeter as the distance around the outside of a figure. The tutorial then identifies missing side lengths and explains how to calculate them using the properties of rectangles. Finally, it sums up all the side lengths to find the total perimeter, which is 14 meters.

What is the main task Leah and Pedro are trying to accomplish with the tables?

• Find the area of the tables

• Measure the height of the tables

• Determine the perimeter of the new arrangement

• Calculate the volume of the tables

What does the perimeter of a shape represent?

• The diagonal length of the shape

• The volume of the shape

• The distance around the outside of the shape

• The area inside the shape

Tags

CCSS.3.MD.D.8

Why can't the entire perimeter be calculated initially?

• The tables are not rectangular

• The tables are circular

• Some side lengths are missing

• The tables are too far apart

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CCSS.HSG.CO.C.11

How are the missing side lengths determined?

• By using a calculator

• By guessing the lengths

• By using the properties of rectangles

• By measuring the diagonal

Why is the 1 meter on the inside not included in the perimeter?

• It is a mistake in measurement

• It is too small to consider

• It is not part of the outside

• It is part of the outside

Tags

CCSS.3.MD.D.8

What adjustment is made for the internal length?

• It is ignored completely

• It is doubled

• It is subtracted from the perimeter

• It is added to the perimeter

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CCSS.4.MD.A.1

How many meters are left on the outside after moving one meter inside?

• 1 meter

• 2 meters

• 3 meters

• 4 meters

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CCSS.2.MD.B.5

What is the total length of the two sides that are part of the outside?

• 2 meters

• 4 meters

• 3 meters

• 1 meter

Tags

CCSS.3.MD.D.8

What is the total perimeter of the new table arrangement?

• 14 meters

• 16 meters

• 12 meters

• 18 meters

Tags

CCSS.3.MD.D.8

What is the final step in finding the perimeter?

• Dividing the lengths by two

• Multiplying the lengths

• Adding all the outside lengths together

• Subtracting the internal lengths

Tags

CCSS.3.MD.D.8