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 rectangle?

• 21 units
• 12 units
• 3 units
• None of the above.

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

What is the perimeter of this figure?

• 12 cm
• 32 cm
• 24 cm
• 20 cm

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

The distance around an object is called the 

• area
• perimeter

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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

All professional baseball teams’ playing fields are the same size. The three bases and home plate make a diamond that is 90 feet on each side. What is the perimeter of the diamond?

• 360 feet

• 400 feet

• 320 feet

• 300 feet

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

Perimeter = 20

Length = 6

Width = ?

• 12

• 4

• 8

• 6

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

What is the perimeter of the shaded portion?

• 12 square units

• 13 square units

• 16 square units

• 16 units

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

What is the perimeter of the shaded portion?

• 12 square units

• 13 square units

• 16 square units

• 16 units

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

What is the perimeter of this parallelogram?

• 19 cm

• 10 cm

• 24 cm

• 20 cm

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