Perimeter
Circumference
Area of Squares and Rectangles
Area of Parallelograms
Area of Triangles
100
The formula for perimeter
P= s+s+s+s (the number of sides can change depending on the figure)
100
What are the formulas for measuring circumference?
C=3.14x2xr C=3.14xd
100
What are the formulas for measuring squares and rectangles?
Squares: A= s x s Rectangles: A=l x w
100
What is the formula for measuring parallelograms?
A = b x h
100
What is the formula for measuring the area of triangles?
A = 1/2 x b x h
200
A square with the side of 25 km. What is the perimeter?
P = s + s + s + s P = 25 km + 25 km + 25km + 25km P = 100 km
200
What does the R and D represent in the formula for circumference?
Radius and Diameter
200
A 16 m by 15 m rectangle. What is the area?
A = l x w A = 16 m x 15 m A = 240 m2
200
COMPLETELY UNRELATED TO MATH. Get up right now and do the dance Ms. Andersen is thinking of
Nicky nacky nocky noo!
200
Explain why there is a fraction in the formula for finding area in triangles.
A triangle is half of a square
300
A triangle with length sides of 3 in., 1 1/2 in, and 2 1/4. What is the perimeter?
P= s + s + s P = 3 in + 1 1/2 in + 2 1/4 P = 6 3/4 in
300
What is the difference between radius and diameter?
The radius is half the length of the diameter
300
a rectangle with sides of 9 yd and 12 yd. What is the area?
A = l x w A = 9 yd x 12 yd A = 108 yd2
300
A parallelogram with a base of 3.7 cm and a height of 4.2 cm. What is the area?
A = b x h A = 3.7 cm x 4.2 cm A = 15.54 cm2
300
A = 24 ft2, b = ___, h = 6ft
b = 8 ft
400
What is the difference between perimeter and area?
Perimeter measures the distance AROUND a figure. Area measures the surface of a figure.
400
A circle with a radius of 6.5 m
C= 3.14 x 2 x r C= 3.14 x 2 x 6.5 C = 40.82 m
400
A square with a side that is 16 inches. What is the area?
A = l x w A = 16 in x 16 in A = 256 in2
400
A parallelogram with a base of 4.5 cm and a height of 2 cm. What is the area?
A = b x h A = 4.5 cm x 2 cm A = 9 cm2
400
A triangle with a base of 6 1/2 yd and 3 1/2 yd. What is the area?
A = 1/2 x b x h A = 1/2 x 6 1/2 yd x 3 1/2 yd A = 11 3/8 yd2
500
A square with a side length of 5 cm. What is the perimeter?
P = s + s + s + s P = 5cm + 5cm + 5cm + 5cm P = 25cm
500
A circle with a diameter of 7 inches. What is the radius?
The radius is 3.5 inches
500
The area of a square is 36 ft2. What is the length of one side?
S = 6 ft
500
The area of a parallelogram is 48 in2 with a base of 8 inches. What is the height?
h = 6 in.
500
A triangle with a base of 6.5 cm and a height of 4 cm. What is the area?
A = 1/2 x b x h A = 1/2 x 6.5 cm x 4 cm A = 13 cm2
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