Perimeter and Area on Grids

What operation do you use when finding the perimeter?

• Subtraction

• Multiplication

• Addition

• Division

What operation do you use when finding area?

• Addition

• Subtraction

• Multiplication

• Division

Ian is building a rectangular sandbox. The perimeter will be 12 feet. He wants the sandbox to have the greatest possible area. What could be Ian's sandbox?

• 
• 
• 
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When measuring area, what label do you use?

• units

• units²

• units³

How do you find the area of a rectangle?

• Length + Length + Length + Length

• Length + Width

• Length x Width

• Width x Width

What is the area of the shape?

• 35 units squared

• not enough information

• 24 units squared

• 22 units squared

Plot the following points:

(-5,2) (-5,-3) (-2,2) (-2,-3)

What is the perimeter?

• 10

• 8

• 15

• 16

A rectangle has an area of 12 square units. Two vertices of the rectangle are shown below.

Which pair of coordinates could represent the other two vertices?

• (4, 2) and (4, 5)

• (5, 2) and (5, 5)

• (6, 2) and (6, 5)

• (9, 2) and (9, 5)

_{Find the area}

• 4 units

• 6 units

• 24 units

• 28 units

Find the area of kite QRST in square units.

• 30

• 15

• 60

• 20