Porenl Helper
Meosurement
Deor porent{s) lguordion {s),
We hove storied our lost moth unit this yeor, if 's meosurement.
We've olreody completed the unit on time ond oreworking on meosuring
lines, oreo, perimeter, copocity ond weight.
Meosuring lines
Students ore expected to be oble to give exomples of whot o
millimeler, centimeter, decimeter (10 centimeters), meter ond kilomeier
would look like. We often use personol onchors (ports on our body or
something thot reminds us of whoi eoch unit looks like).
Unit
millimeier
centimeter
decimeter (l 0 cms)
Meier (100 cms)
Kilometer (1 000 meters)
Personol Anchor
thickness of finoernoil
Width of o finoer
Thumb or finqer to wrisl
Distonce on their bodv
l5 lops oround the
Anolher Exqmole
Pencil tip
Unifix cube (one cube)
ovm
bock
Ten rod
To the door knob
To book buddies ond
I decimeter=.l0 centimeters
I meter = l0 decimeters
I meter = 100 centimeters
I kilometer= 1000 meiers
Siudents olso need to be oble to compore ond convert distonces, they
hove been exposed to this when we did scoles in mopping but some
students find this trickv.
Conv
between units
I decimeter=.l0 centimeters so 5 dcms.= 50 cms.
I meter = l0 decimeters so 4 m= 40 dcms.
I meter = 100
centimeters so 2 m= 200 cms.
,l000
I kilomeler=
meiers so 3 kms.=3000 meters