Measurement Facts
What does mm stand for?
Millimeter
How many mm are in 1 cm?
1cm = 10mm
If you are converting from big to small, in what direction will you ALWAYS move the decimal?
Example: 0.9 cm = mm
To the RIGHT
What is the average distance of 1 meter (m)?
The distance of the floor to a doorknob or the distance from the floor to the ceiling?
The distance from the floor to a doorknob.
Find the perimeter of a rectangle measuring 8 m by 4 m
P = 8m + 8m + 4m + 4m = 24m
A centimeter is bigger than a millimeter, but smaller than a meter.
TRUE or FALSE?
TRUE
How many cm are in 1 m?
1m = 100cm
If you are converting from small to big, in what direction will you ALWAYS move the decimal?
Example: 4,500 m = km
To the LEFT
What is the basic unit of length in the metric system?
A meter or a foot?
A meter
Angel wants to put a fence around his yard. What measurement must he find first?
The perimeter of his yard.
Multiply mentally 12.53 x 10
125.3
How many mm are in 1 m?
1m = 1000mm
After you figure out which direction you will move the decimal, how do you figure out how many times to move the decimal?
Example: 470 mm = cm
It depends on the number of stairs you go up or down, so 10^1, 10^2, 10^3, etc.
What number does the prefix milli mean?
Milli means one-thousandth or 0.001
Zakarya's patio has a missing side length. What should you do before calculating perimeter?
Identify and calculate the missing side length
Divide mentally 6235 by 100
62.35
How many meters are in a kilometer?
1km = 1000m
65m = ______km
65m = 0.065km
What number does the prefix kilo mean?
Kilo means one thousand or 1000
Find the perimeter of a square with side length 6 m.
P = 4x6m = 24m
Put in order from smallest to biggest:
meter, centimeter, millimeter, kilometer
millimeter, centimeter, meter, kilometer
How many centimeters in a kilometer?
1km = 100 000cm
2345cm = ________m
2345cm = 23.45m
Compare 500cm and 35 m
500cm = 5m, so 500cm < 35m
Calculate the cost to fence a yard with a perimeter of 150 m at $16.99 per meter.
Cost = 150m x $16.99/m = $2548.50