1. 1.What are some units we
measure with in the United
States?
2.Are our measuring systems
easy or confusing? Explain
3. I. Background
A. The Metric System is a system of
units for measurement
B. Used by scientists around the world
C. Easy to use because it is based on
units of ten (10)
Burma, Liberia, United States
4. II. How it works
A. The basic units:
1. Length=meter
2. Volume=liter
3. Mass=gram
B. Add prefixes for larger or smaller
divisions
1. King Hector Doesn’t [usually] Drink
Chocolate Milk!
5. King Hector Doesn’t Drink Chocolate Milk
[usually]
Kilo Hecto Deka Meter Deci Centi Milli
(k) (h) (da) Liter (d) (c) (m)
Gram
6. III. Conversions; Metric-
Metric
A. How to do it:
1. We are ONLY MOVING THE DECIMAL!!!!!
2. Here’s how:
1. Look at the order of the prefixes
2. Begin at the prefix that you start with
3. Move to the prefix you want to end with
4. Move the decimal in the number in the same
direction and the same number of times you
moved on your graphic organizer
7. B. Example:
1. Convert 1102 meters to
kilometers
Kilo Hecto Deka Meter Deci Centi Milli
(k) (h) (da) (d) (c) (m)
2. Move your decimal to the __________
3. Move a total of _________ spaces
4. 1102 meters = ____________________ kilometers
8. Work with your partner
to practice converting
from Metric to Metric
units.
Use the problems
provided by Mrs. Lock.
9. 1.What is the metric system?
2.How is the metric system set
up?
3.What is the metric unit for
mass? volume? length?
11. ***Convert 52 meters to millimeters
Kilo Hecto Deka Meter Deci Centi Milli
(k) (h) (da) (d) (c) (m)
Move your decimal to the __________
Move a total of _________ spaces
52 meters = ____________________ millimeters
12. 1.As a group, please use the
laptop next to your table to
check your answers for 1-17.
2.The favorite for this activity
is called Metric Conversions.
18. How long is the line segment in
mm?
How long is the line segment in
cm?
19. How long is the line segment in
mm?
How long is the line segment in
cm?
20. How long is the line segment in
mm?
How long is the line segment in
cm?
21. Work with your partner
to practice measuring
with a metric ruler.
22. CHALLENGE!
What happens to an inchworm when we use metrics?
To find the answer, lay a ruler across the right side of
a piece of paper. Find the correct mark on the ruler
for each letter. Write the letter above the ruler.
H = 6.8 cm R = 208 mm
G = 23.2 cm, 92 mm O = 14 cm
U = 224mm N = 8.4 cm, 12.4 cm
C = 6 cm A = 76 mm, 156mm
E = 1 dm, 2dm B = 216 mm
L = 4 cm, 17.6 cm, 32mm ‘ = 24mm
T = 192mm, 132 mm, 16mm
I = 11.6 cm, 18.4 cm, 8 mm
24. 1. Complete textbook form
2. Put your name in
your book in INK
3. Have Mrs. Lock sign
book and collect paper
4. Cover book by
Friday, 9/25
DO NOT POKE AROUND!