Understanding Perimeter and Width Calculation

The video tutorial explains how to determine the width of a rectangular dog pen given its length and perimeter. It begins by introducing the problem and visualizing the pen's dimensions. The tutorial then explains how to calculate the perimeter and simplify the equation to solve for the width. The solution is verified, and the process is related to basic algebraic concepts.

What is the length of Mike's dog pen?

• 42 feet

• 18 feet

• 21 feet

• 36 feet

Tags

CCSS.4.MD.A.2

What is the perimeter of Mike's dog pen?

• 21 feet

• 42 feet

• 78 feet

• 36 feet

How many times is the length of the dog pen repeated in the perimeter calculation?

• Once

• Twice

• Three times

• Four times

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CCSS.3.MD.D.8

What is the sum of the two lengths in the perimeter equation?

• 21

• 42

• 36

• 78

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CCSS.7.NS.A.1C

What is the result of subtracting 42 from 78 in the context of this problem?

• 18

• 42

• 21

• 36

Tags

CCSS.3.MD.D.8

What equation represents the sum of the widths in the perimeter?

• Width + Width = 42

• Width + Width = 78

• Width + Width = 21

• Width + Width = 36

Tags

CCSS.3.MD.C.7B

CCSS.4.MD.A.3

What is the width of the dog pen?

• 42 feet

• 18 feet

• 21 feet

• 36 feet

Tags

CCSS.4.MD.A.2

How can the width be calculated from the equation 2 times width = 36?

• 36 plus 2

• 36 times 2

• 36 minus 2

• 36 divided by 2

Tags

CCSS.8.EE.C.7B

What mathematical concept is used to solve for the width?

• Algebra

• Trigonometry

• Geometry

• Calculus

Tags

CCSS.4.MD.A.2

What is the logical reasoning used to find the width?

• Trial and error

• Using a calculator

• Common sense and logic

• Guessing

Tags

CCSS.4.MD.A.2