Common Core: 3rd Grade Math : Find Perimeter or Missing Side Lengths of Polygons: CCSS.Math.Content.3.MD.D.8

Study concepts, example questions & explanations for Common Core: 3rd Grade Math

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Example Questions

Example Question #21 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

Charlie just moved into a new house with a fenced in yard. The fence is  meters long and  meters wide. What is the perimeter of his yard? 

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

Example Question #22 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

There is a park in Hannah's new neighborhood that is  meters long and  meters wide. What is the perimeter of the park? 

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

Example Question #23 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

Tim is going to retile his bathroom floor. His bathroom is  meters long and  meters wide. What is the peritmeter of his bathroom? 

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

Example Question #24 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

Emily is digging a garden in her backyard that is  meters long and  meters wide. What is the perimeter of her garden? 

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the perimeter we can plug our known values into the equation. 

Example Question #25 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

What is the width of the rectangle if the perimeter is  and the length is ?

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the width we can plug our known values into the equation. 

Subtract  from both sides

Divide  by both sides

Example Question #492 : Quadrilaterals

What is the width of the rectangle if the perimeter is  and the length is ?

 

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the width we can plug our known values into the equation. 

Subtract  from both sides

Divide  by both sides

Example Question #26 : Geometric Measurement: Recognizing Perimeter

What is the width of the rectangle if the perimeter is  and the length is ?

 

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the width we can plug our known values into the equation. 

Subtract  from both sides

Divide  by both sides

Example Question #27 : Geometric Measurement: Recognizing Perimeter

What is the width of the rectangle if the perimeter is  and the length is ?

 

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the width we can plug our known values into the equation. 

Subtract  from both sides

Divide  by both sides

Example Question #26 : Find Perimeter Or Missing Side Lengths Of Polygons: Ccss.Math.Content.3.Md.D.8

What is the width of the rectangle if the perimeter is  and the length is ?

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the width we can plug our known values into the equation. 

Subtract  from both sides

Divide  by both sides

Example Question #29 : Geometric Measurement: Recognizing Perimeter

What is the width of the rectangle if the perimeter is  and the length is ?

Possible Answers:

Correct answer:

Explanation:

The formula for perimeter of a rectangle is 

To solve for the width we can plug our known values into the equation. 

Subtract  from both sides

Divide  by both sides

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