unit conversions Flashcards
1 meter in mm
1000 mm
x meter in 1 kilometer
1000
how many meters is a decimeter (dm)
1/10 meter
define accuracy
how close a measurement comes to the actual value of what is being measured
how do you measure liquid in a graduated cylinder
read at the most inferior point of the meniscus
precision
Precision: How reliable and repeatable a measurement is. The more consistent the data is with repeated testing, the more precise it is.
1 inch
2.54 cm
1 ft
12 inches or .3 meters
1 yard
3 feet or .914 meters
1 mile
5280 feet or 1.6 km
1 sq mile
2.590 sq km
640 acres
Acre
4840 sq yards
Fl oz fluid ounces
8 fl drama or 29 mL
1 cup
8 fl oz or .237 L
1 pint
16 fl oz or 0.473 L
1 quart
2 pints or 0.946 L
1 gallon
4 quarts or 3.7 liters
1 teaspoon
1.33 fluid drams or 15 mL
1 cc or cm3
Cubic cm
0.271 drams or 1 milliliter mL
1 ounce oz
16 drama or 28.35 grams
1 lb
16 oz or 453 grams
1 ton
2000 lbs or 907.2 kg
Farenheight to celcius
Minus 32
Then multiply by 5/9
Celcius to farenheight
Multiply by 9/5 and add 32
Perimeter of a triangle
P= a+ b+ c
Area of any triangle
0.5bh
Area of a trapezoid (one pair of parallel sides)
0.5h(b1+b2)
Perimeter of a trapezoid
P=a+b1+c+ b2
Parallellogram area and perimeter
Two pairs opposite sides and opposite angles are congruent
A=bh
P=2a+2b
Rectangle area
lw
Rectangle perimeter
2L+2W
Rhombus Area and definition
Four congruent sides and opposite congruent angles
Like a smooshed square
(d1d2)/2
Perimeter rhombus
(D1) squared + (D2) squared
Then square root it
Then multiply by two
Area of a square
s squared
Perimeter of square
4s
Area of a circle
Pi*(r )squared
Circumference of a circle
2pi*r
Volume of most prisms
Bh
Volume of a rectangular prism
Lwh
Volume of a cube
s cubed
Volume of a sphere
4/3 * pi * (r cubed)
Volume of a cylinder
Pi (r squared) h
Volume of a pyramid
(1/3)Bh
Volume of a cone
(1/3)pi*(r squared)h
Volume of a cone
(1/3)pi*(r squared)h
Slope intercept
Y=mx+b
Point slope form
Y-y1 = m (x - x1)
Two point form
1 tsp and 1 tbsp in mL
tsp is 5 mL
tbsp is 15 mL
1 meter in cm
100 cm