☞
M ove
t he
t ower
p ieces
a round
u ntil
a ll
o f
t he
t owers
a re
t he
e xact
s ame
h eight
b ut
y ou
still
h ave
t he
s ame
n umber
o f
t owers.
Draw
h ow
y our
f ive
t owers
n ow
l ook
b elow.
How
m any
b ricks
a re
i n
e ach
t ower?
_ _____
b ricks
This
n umber
t ells
y ou
t he
m ean
n umber
o f
b ricks
i n
t he
t owers.
N o,
w e’re
n ot
s aying
t hat
t he
Lego
b ricks
a re
c ranky
a nd
m ean.
I n
m ath,
t he
m ean
i s
t he
a rithmetic
a verage
f or
a
s et
o f
numbers.
T hat
i s,
i t
i s
h ow
m uch
w ill
b e
i n
e ach
s et
i f
y ou
s pread
t he
a mounts
o ut
e venly.
You
c ould
a lso
c alculate
t he
m ean
n umber
o f
b ricks
i n
y our
c ollection
o f
t owers:
☞
C ombine
a ll
o f
t he
p ieces
i n
y our
L ego
t owers
t ogether
t o
m ake
o ne
b ig
t ower.
You
j ust
a dded
t ogether
a ll
o f
t he
d ata
v alues
i n
y our
s et
o f
d ata.
R ecord
t he
a ddition
b elow.
_____
+
_ ____
+
_ ____
+
_ ____
+
_ ____
=
_ ____
b ricks
Tower
A
+
T ower
B
+
T ower
C
+
T ower
D
+
T ower
E
=
G iant
“ Sum”
T ower
H eight
☞
N ow
b reak
y our
G iant
“ Sum”
T ower
i nto
f ive
e ven
t owers.
You
j ust
d ivided
t he
s um
o f
t he
t owers
b y
t he
n umber
o f
t owers.
______
i n
t he
g iant
t ower
5
=
_ _____
b ricks
÷
T his
i s
t he
m ean.
The
m ean
i s
t he
t otal
o f
t he
d ata
s ets
d ivided
b y
h ow
m any
d ata
s ets
t here
a re.
☞
R ebuild
t he
t owers
t he
w ay
y ou
o riginally
r eceived
t hem
i n
y our
b ag.
E ach
t ower
s hould
be
a
d ifferent
h eight,
a nd
y ou
w ill
h ave
f ive
t owers
i n
t otal.
Created
f or
c lassroom
u se
b y
A lycia
Z immerman,
2 012