Area
Perimeter
Distributive Property
Graph Paper
Irregular Shapes
100
What equation do we use to calculate area?
Length x Width
100
How do you calculate perimeter.
Add up the dimensions for all the sides around the figure.
100
What is the area of the figure on slide 4? HOW DO YOU KNOW?
44 inches squared 7 x 4 = 28 4 x 4 = 16 16 + 28 = 44
100
Draw a shape with an area of 20 square feet, assuming that each box equals 1 square foot. Label the dimensions for each side.
1 by 20 2 by 10 4 by 5 or irregular shape
100
Find the area of the first figure on slide 8
14 units squared
200
What is the area of a figure that has a length of 3 feet and a width of 7 feet?
21 feet squared
200
What is the perimeter of a rectangle that has a length of 5 cm and a width of 2 cm?
14 cm
200
What is the area of the figure on slide 5? HOW DO YOU KNOW?
14 ft squared 4 x 2 = 8 3 x 2 = 6 8+6 = 14
200
Draw a shape with an area of 18 square feet, assuming that each box equals 1 square foot. Label the dimensions for each side.
1 by 18 2 by 9 3 by 6 or irregular shape
200
What is the measurement of the missing side on the second figure on slide 8?
3 ft
300
What is the area of the shape on the first slide?
16 units squared
300
What is the perimeter of the shape on slide 1?
12 units
300
What is the area of the figure on slide 6? HOW DO YOU KNOW?
32 ft squared 4 x 4 = 16 4 x 4 = 16 16 + 16 = 32
300
Draw a shape with an area of 25 square feet, assuming that each box equals 1 square foot. Label the dimensions for each side.
1 by 25 5 by 5 or irregular shape
300
Find the area of the second figure on slide 8
26 ft squared
400
What is the area of the shape on the second slide?
15 units squared
400
What is the perimeter of the shape on slide 2
12 units
400
If you wanted to find the area of the figure on slide 7 WITH ONLY ONE EQUATION, what equation would you use?
10 x 2 = 20 ft squared
400
Draw a shape with an area of 24 square feet, assuming that each box equals 1 square foot. Label the dimensions for each side.
1 by 24 2 by 12 3 by 8 4 by 6 or irregular shape
400
Where could you draw a line to split the figure on slide 9 into two smaller rectangles? What is the measurement of the missing side?
1 ft
500
Slide 3, figure 1 Draw your answer on grid paper
answers will vary
500
Slide 3 figure 2 draw your answer in grid paper
answers will vary
500
Use the distributive property to solve 15 x 6
10 x 6 = 60 5 x 6 = 30 30 + 60 = 90 < ------ final answer
500
Draw a shape with an area of 12 square feet, assuming that each box equals 1 square foot. Label the dimensions for each side.
1 by 12 2 by 6 3 by 4 or irregular shape
500
Where could you draw a line to split the figure on slide 10 into two smaller rectangles? What is the measurement of the missing side? What is the area of the total figure
Lines may vary The missing side is 2 yds long The total area is 33 yards squared
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