// www.lawrencehallofscience.com
// 510.642.5132
// www.lawrencehallofscience.org
// Centennial Drive, Berkeley, California 94720
Explore
more
great
things
s y
you
can can
do and
learn!
Explore
more
great
things
s y
you
do and
learn!
P i l e s of p ennies
How many ways can you pile 100 pennies?
,
WHAT YOU LL NEED
• 100 pennies
• A ruler
WHAT TO DO
How many stacks?
5
4½
Number of pennies
in each stack
How high is
each stack?
4
1
Stack your pennies into piles of 5 pennies each, 10 pennies each,
and 20 pennies each. How many stacks do you have each time?
How high is each stack? Record your measurements on this table.
3½
5 pennies
3
10 pennies
3
How high would a stack of 100 pennies be? Can you make one?
• A penny is about 1/16th of an inch thick (1.55 millimeters).
½
0
D ID Y OU K NOW ?
INCHES
1
1½
2
How tall do you think a pile of 15 pennies would be? How about 25
pennies? Try it and see.
2
2½
20 pennies
• The Statue of Liberty is made of copper that is as thick as
two pennies put together.
(page 1 of 1)
Lawrence
HallHall
of Science
Copright
2007Regents
The Regents
the University
of California
Lawrence
of Science
© 2007© The
of the of
University
of California