Do Now:
 Write your homework in your agenda.
 Update your table of contents:
Page #
17-18
Title
SI Conversions
 Take out your homework to be checked!!!!
 Trade notebooks with the person across from you and
answer each other’s HW problems.
 You have 10 extra minutes to finish the practice from
yesterday if you hadn’t.
 If you finished already, you may start your homework
for the 10 min.
Homework
 Create a mnemonic for the SI prefixes and write it
on page 18
 Teacher’s example:
 Kindly Help Daniel Bake Diet Cabbage Muffins
i
e
e
a
e
e
i
l
c
c
s
c
n
l
o
t
a
e
i
t
l
o
i
i
Volume of a
Regular Solid
Volume of an
Irregular
Solid
Length
Mass
Volume of a
Liquid
11.3 cm
37.9 g
9.2 mL
13.824 cm3
9 cm3
2 cm
198.6 g
38 mL
16.492 cm3
5 cm3
7.2 cm
354.6 g
3.9 mL
35.308 cm3
4 cm3
6.1 cm
215.9 g
25 mL
38.016 cm3
0.4 cm3
13.4 cm
532.7 g
2.7 mL
20.16 cm3
3 cm3
Discuss:
 You are moving and you need boxes to
move your “mountains-worth” of
clothing. You go to store to buy some
boxes but you don’t know what size to
get. What size of box would you buy in
this situation? Why?
Fill this in!
kh-
dadc-
m-
 Which appropriate units do you use???
 A fishing line of a fishing rod: meters or millimeters
What are we measuring? _________________________
 A post-it note: meters or millimeters
What are we measuring? _________________________
 The amount of water it takes to fill a pool: liter or milliliter
What are we measuring? _________________________
 A refrigerator: gram or kilogram
What are we measuring? _________________________
 The distance between Readington and NYC: meter or
kilometer
What are we measuring? _________________________
 The almonds of a granola bar: gram or kilogram
What are we measuring? _________________________
Ladder Method
1
2
KILO
1000
Units
3
HECTO
100
Units
DEKA
10
Units
DECI
0.1
Unit
Meters
Liters
Grams
How do you use the “ladder” method?
1st – Determine your starting point.
2nd – Count the “jumps” to your ending point.
3rd – Move the decimal the same number of
jumps in the same direction.
CENTI
0.01
Unit
MILLI
0.001
Unit
4 km = _________ m
Starting Point
Ending Point
How many jumps does it take?
4. __. __. __. = 4000 m
1
2
3
Conversion Practice
Let’s do the first few together!
1. 1000 mg = _______ g
2. 1 L = _______ mL
4. 14 km = _______ m
5. 109 g = _______ kg
3. 160 cm = _______ mm
6. 250 m = _______ km
EXIT SLIP
WRITE YOUR NAME ON THE TOP.
Solve:
1)
2000 mL = _______ L
2)
0.89 m = _______ dm
3)
198 mm = _______ m
4)
0.22 kg = _______ cg
5)
11 hg = _______ mg
6)
540 dL = _______ kL