Metric Mania
What metric unit would you use to measure the distance across the state of PA?
Kilometer
turn to page 449 & answer #15. Write formulas and include dimensions in your calculations for full credit.
A = b * h = 22 * 8.8 = 193.6 ft^2
Draw a circle and label the: radius, circumference, and diameter.
radius--is a segment that connects the center to the circle.
diameter--is a chord that passes through the center of a circle.
circumference--the distance around a circle
turn to page 464 and name #5
cube
Which metric unit would you use to measure the mass of a chair
kilogram
Turn to page 448 & answer question 4. Write formulas and include dimensions in your calculations for full credit.
A= 1/2 b*h = 1/2 (16 *5)=40 cm^2
open to page 454 & answer #10. Write formulas and include dimensions in your calculations for full credit.
C = 3.14 * d = 3.14 * 23 = 72 ft
(3.14 is our accepted estimation for pi)
turn to page 464 & name 8
rectangular pyramid
120 mg = ___g
0.12
turn to page 448 & answer questions #2. Write formulas and include dimensions in your calculations for full credit.
A=b*h=4*4 = 16 m^2
open to page 458 & answer #2. Write formulas and include dimensions in your calculations for full credit.
A = 3.14 r^2 (read this as "pi x r squared)= 3.14 (25) 25 = 1962.5 in^2
turn to page 464 and name 7
cylinder
convert 65 kilograms to grams
65,000 g
Find the perimeter and area of a square with a side of 13 ft. Write formulas and include dimensions in your shown work.
P= 4s = 4 (13) = 52 ft
A = s*s = 13 * 13=169 ft^2
open to page 454 & answer #12. Write formulas and include dimensions in your calculations for full credit.
C = 2 (3.14) r = 2 (3.14) 30= 188 m
turn to page 470 & answer 8. Write formulas and include dimensions in your calculations for full credit.
Surface area = the sum of the areas of the 3D objects surfaces
SA=area (front & back) + area (left & right) + area (top & bottom)= 2(7*20) + 2(15*20) + 2(7*15)= 1090 in^2
convert 6,900 milliliters to liters
6.9 L
Find the perimeter and area of a rectangle with these dimensions: l = 2.8 m; w = 4.4 m. Write the formulas and then include dimensions in your shown work for full credit.
P=2(l+w); =2(2.8 +4.4) = 14.4 m
A= l*w = 2.8 * 4.4 = 12.32 m^2
Open to page 458 & answer #5. Write formulas and include dimensions in your calculations for full credit.
A = 3.14 r^2 (read this as "pi x r squared")= 3.14 (15) (15)
turn to page 470 & answer 5. Write formulas and include dimensions in your calculations for full credit.
Surface area is the sum of the areas of the 3D figures sides.
SA = area of triangular sides + area of rectangle 1 + area of rectangle 2 + area of rectangle 3 = 2 (1/2 b*h) + l*w + l*w +l*w = 1/2 (2*8*15) + (15*10) + (10*17) + (8*10)=520 m^2