N#___ Converting Metric Units of Weight



N#___ Converting Metric Units of Length

Obj. To convert among millimeters, centimeters, meters and kilometers.

kilometers - meters

If going from kilometers to meters, move the decimal point 3 places to the right.

OR

multiply by 1,000 because kilometers are larger than meters

kilometers - meters

If going from grams to kilometers, move the decimal point 3 places to the left.

OR

divide by 1,000 because meters are smaller than kilometers

kilometers - meters - centimeters - millimeters

(1000 meters) 1 (1/100 meters) (1/1000 meters)

1000 1 0.01 0.001

Metric Stairstep

KM Each step = one decimal place

HM

DECA Move decimal one place for each step

M

DM Up = Move the decimal to the left

CM

MM Down = Move the decimal to the right

Ex.

10 cm = 100 mm cm

mm

10 m = 10000 mm m

dm

cm

mm

100 mm = 10.0 cm OR 10 cm cm

mm

215 cm = 2.15 m m

dm

cm

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Don’t forget that:

1 km ~ length of nine football fields

OR a little more than half a mile

OR 60 train cars

1 m ~ length of a baseball bat

OR the width of a doorway

1 cm ~ width of your pointer finger

OR width of a black key on a piano

1 mm ~ thickness of a dime

OR thickness of a guitar string

You need to know that:

1 kilometer (km) = 1,000 meters (m)

“kilo” means 1000

1 meter (m) = 100 centimeters (cm)

“centi” means 100

1 meter (m) = 1000 millimeters (mm)

1 centimeter (cm) = 10 millimeters (mm)

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