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

Do you multiply or add when you find the perimeter?

• Multiply
• Add

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

What is the perimeter of this figure?

• 16 units
• 15 units
• 14 units
• 18 units

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

What is the perimeter? (Hint: top matches the bottom, left matches right!)

• 24 sq cm
• 24 cm
• 35 sq cm
• 35 cm

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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

If you are finding the distance around an object, what are you solving for?  

• Area
• Volume
• Plus and Minus
• Perimeter

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

What is the perimeter of this rhombus?

• 12 cm

• 9 cm

• 6 cm

• 5 cm

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

What is the perimeter of this hexagon?

• 32 yd

• 24 yd

• 30 yd

• 20 yd

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

What is the width of this rectangle?

• 12

• 5

• 16

• 14

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

Find the area and the perimeter of a square that has the width of 3. (Tristyn)

• area: 9 square feet

  perimeter: 12 square feet

• area: 3 square feet

  perimeter: 9 square feet

• area: 12 square feet

  perimeter: 9 square feet

• area: 9 square feet

  perimeter: 9 square feet

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

Calculate the perimeter of the rhombus!

• 81mm.

• 36mm.

• 18mm.

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