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Perimeter & Area. Today’s Objectives:  Learn what it means to find perimeter and area.  Practice finding or estimating the perimeter and area.

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Presentation on theme: "Perimeter & Area. Today’s Objectives:  Learn what it means to find perimeter and area.  Practice finding or estimating the perimeter and area."— Presentation transcript:

1 Perimeter & Area

2 Today’s Objectives:  Learn what it means to find perimeter and area.  Practice finding or estimating the perimeter and area.

3 Perimeter  Perimeter is the distance around a shape or objects.  Calculate the perimeter by counting the distance around the shape.

4 Find the Perimeter Let’s say one “square” is one centimeter... 1 cm Now count the squares’ sides around the rectangle... 123456 7 8 9 101112131415 16 17 18 Start Here End Here Perimeter = 18cm

5 Find the Perimeter 4 cm A square is the same length on each side... You can add the sides together to find the total distance around the shape! 4 4 4 +4 Always label your answer 16 cm

6 Area  Area is the number of square units needed to cover a shape.  Calculate the area by counting the squares that fill in the shape or multiplying the length times width.  Always label area as squared (ex: 1 square centimeter or 1cm 2.)

7 Find the Area Let’s say one “square” is one centimeter by one centimeter or one square centimeter... Now count the squares in the rectangle... Start Here End Here 123456 789101112 131415161718 You can also multiply length times width... 6 centimeter squares 3 centimeter squares 6 x 3 = 18 cm 2 Area = 18cm 2

8 Find the Area 4 cm 3 cm 4 cm 3 cm You can multiply the length times the width to find the area! Always label your answer 4 x 3 = 12 cm 2 See – 12 cm sized squares or 12cm 2

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