CCSS.Math.Content.3.MD.D.8

What is the perimeter of this polygon?

• 39 in
• 24 in
• 105 in 

Tags

CCSS.Math.Content.7.G.B.6

CCSS.Math.Content.3.MD.D.8

What is the perimeter?

• 4 in.
• 16 in. 
• 8 in. 

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CCSS.Math.Content.3.MD.D.8

What did I do wrong when solving for perimeter?
Length:  7 cm
Width:  4 cm
7 x 4 = 28 squared cm

• your answer should be 28 cm
• you multiplied, you should add 7 + 7 + 4 + 4
• you solved for perimeter
• you should multiply 4 x 7 

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CCSS.Math.Content.3.MD.D.8

Mrs. Horne wants to build a fence around her backyard.  The length of her yard is 40 feet and the width of her yard is 5 feet less.  How many feet of fencing does she need for the whole fence?

• 90 feet
• 150 feet
• 75 feet
• 200 feet

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CCSS.Math.Content.3.MD.D.8

Farmer Bob's son built a track to walk his pet pig.  The track goes around the pig pen.  The pig pen is 15 feet long and 21 feet wide.  If the pig walks all the way around the track, how many feet did he walk?

• 72 feet
• 36 feet
• 36 square feet

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CCSS.Math.Content.3.MD.D.8

What is the perimeter of the rectangle?

• 14 feet

• 28 feet

• 48 feet

• 2 feet

Tags

CCSS.Math.Content.4.MD.A.3

CCSS.Math.Content.3.MD.D.8

The distance around an object is called the

• area

• perimeter

• length

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CCSS.Math.Content.3.MD.D.8

One side of a square measures 15cm. What is the perimeter of the square?

• 30cm.

• 60cm.

• 225cm.

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CCSS.Math.Content.3.MD.D.8

What is the perimeter of this square?

• 3 units

• 6 units

• 9 units

• 12 units

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CCSS.Math.Content.3.MD.D.8

What's the perimeter of this triangle?

• 10 cm

• 11 cm

• 12 cm

• 13 cm

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CCSS.Math.Content.3.MD.D.8