Prefix Abbreviation Word value Number value

kilo km one thousand 1000

hecto hm one hundred 100

deka dam ten 10

deci dm one tenth 0.1

centi cm one hundredth 0.01

milli mm one thousandth

0.001

The metric system uses prefixes added to the base unit to represent larger or smaller units. Each prefix is a multiple of 10.

Length Units in Metric System

kilometerhectometerdekameter

meterdecimetercentimetermillimeter

Most Common Volume Units in Metric System

litermilliliter

Most Common Mass Units in Metric System

kilogramgram

milligram

0 cm 7.55 cm

1ml .5ml5ml

2ml 10ml

Meniscus

A. 48 mlB. 45 mlC. 38 mlD. 27 mlE. 18 mlF. 7 ml

38 ml- 32 ml

6 ml

The volume of the fish is 6 ml.

260 ml- 200 ml

60 ml

The volume of the pebble is 60 ml.

Finding volume using the mathematical formula:

Volume = length X width X heightVolume = l X w X h

length

width

height

9 cm

4 cm

5 cmVolume = 180 cm3

Volume = l X w X hVolume =

9cm X 4cm

X 5cm

Add the numbers from all three beams.

100 g

60 g

5.3 g

Answer is 165.3 g

Answer is 216.5 g

200 g

10 g

6.5 g

Answer is 373.35 g

300 g

70 g

3.35 g