SI - metric system

The SI System

The Meter

SI Prefixes

Equivalent Measures

Questions

Using a meter stick, answer these questions:

  1. My hand span is ________ centimeters. (Measure outstretched hand between tip of thumb and tip of little finger)
  2. The width of my _____________ fingernail is 1 cm. (Find the fingernail that is the closest)
  3. The width of the back my hand is _________ cm. My height is _____________ m.
  4. The width of my table is ___________ m.
  5. The table length is ___________ m.
SI prefixes. Derived from Wikipedia external arrow
Prefix Symbol 10n Decimal Short scale
exa E 1018 1000000000000000000 Quintillion
peta P 1015 1000000000000000 Quadrillion
tera T 1012 1000000000000 Trillion
giga G 109 1000000000 Billion
mega M 106 1000000 Million
kilo k 103 1000 Thousand
100 1 One
centi c 10-2 0.01 Hundredth
milli m 10-3 0.001 Thousandth
micro µ 10-6 0.000001 Millionth
nano n 10-9 0.000000001 Billionth
pico p 10-12 0.000000000001 Trillionth