Metric Review today
Take out a pencil!
Put ALL
belongings under
your desk.
Metric System
• 1. The metric system is also known as?
• SI- System International
• 2. The metric system is based on factors
of?
• 10
• 3. _________ is one of the only countries
left NOT using the metric system
• America
Metric System
Acronym
K H D bu d c m
Metric Units
• Meter
• Liter
• Grams
What do they measure?
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Meters
Measures distance
Liters
Measures volume
Grams
Measures mass
Prefix Practice
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1. centi=
c
2. Kilo=
K
3. deci =
d
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4. milli =
m
5. Hecto =
H
6. Deka=
D
Write the correct abbreviation for
each metric unit
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1. kilogram=
Kg
2. Meter =
M
3. Gram =
g
4.Milliliter=
mL
5. millimeter =
mm
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6. liter
L
7. kilometer
km
8. centimeter =
cm
9. milligram =
mg
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
Counting Steps: How many steps is it from …
1. kilometers to centimeters: 5 steps
2. centimeters to millimeters:____________
3. KL to L:________________
4. m to mm______________
5. millimters to centimeters:__________
6. g to mg: _________________
Conversion practice: now apply step counting to these problems. Write
down how many steps the conversion requires, then give the actual
answer on the 2nd line
Example: 3.5 m is how many cm?
Steps: cm to m is 2 steps (remember, “m” by itself is the base unit, (b)
Answer: 350 cm
7. 37 grams is how many mg? Steps:__________ Answer:___________
8. 2.7 kilograms is how many grams? Steps:_________ Answer:_________
9. How many liters are in 2,545 centiliters? Steps:_____Answer:______
10. convert 28,800 mL to kL. Steps:__________ Answer:___________
11.convert 144 dL to L. Steps:_____________ Answer:____________
12. 350 cm is how many km? Steps:_________ Answer:____________
Conversion Practice
Try these conversions using the ladder method.
1. 1000 mg = _______ g
2. 1 L = _______ mL
4. 14 km = _______ m
5. 109 g = _______ kg
3. 160 cm = _______ mm
6. 250 m = _______ km
Compare using <, >, or =.
56 cm
6m
7g
698 mg
Metric Conversion Challenge
Try these conversions, using the ladder method.
10) 2000 mg = _______ g
15) 5 L = _______ mL
20) 16 cm = _______ mm
11) 104 km = _______ m
16) 198 g = _______ kg
21) 2500 m = _______ km
12) 480 cm = _____ m
17) 75 mL = _____ L
22) 65 g = _____ mg
13) 5.6 kg = _____ g
18) 50 cm = _____ m
23) 6.3 cm = _____ mm
14) 8 mm = _____ cm
19) 5.6 m = _____ cm
24) 120 mg = _____ g
Metric Conversion Challenge
Try these conversions, using the ladder method.
Answers
10) 2000 mg = 2.0g
15) 5 L = 5000 mL
20) 16 cm = 160 mm
11) 104 km = 104,000 m
16) 198 g = 0.198 kg
21) 2500 m = 2.5 km
12) 480 cm = 4.80m
17) 75 mL = 0.075 L
22) 65 g = 65,000 mg
13) 5.6 kg = 5,600 g
18) 50 cm = 0.50 m
23) 6.3 cm = 63mm
14) 8 mm = 0.8 cm
19) 5.6 m = 560cm
24) 120 mg = 0.120 g
Metric conversions
1.10.3 mm =_____cm
6. 0.82 mL=____ mL
2. 41 g =_______mg
7. 24 dm =_____mm
3. 7 L =______mL
8. 16 mg=_____dg
4. 4315 mg=________ g
9. 2.21 L=_____cL
5.
10. 4 Kg=_____mg
0.5 m =________cm
Metric conversions
1.10.3 mm =1.03 cm
6. 0.82 mL= 0.82 mL
2. 41 g = 41,000 mg
7. 24 dm = 2400 mm
3. 7 L = 7000 mL
8. 16 mg= .16 dg
4. 4315 mg= 4.315 g
9. 2.21 L= 221 cL
5.
10. 4 Kg= 4000 mg
0.5 m = 500 cm
Metric conversions # 11-15
11.How many mm are in 0.03 cm?
0.3 mm
12.How many centigrams are in 244
millgrams?
24.4 cg
13. Don’t do, we did not cover micro14. Don’t do, we did not cover nano15. How many meters are in 1 kilometer?
1000 m
Metric conversions 16-20
• 16. 2.007 milliliters is how many liters?
.002007 L
• 17. 0.005 liters is how many milliliters?
5.mL
• 18. 650 dm is how many cm?
6500 cm
• 19. convert 77,000cm into km
.00077 Km
• 20. convert 1.06 milliliters to kiloliters
.00000106 KL
Metric conversions 21-24
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21. How many centimeters in a meter?
100 cm
22. How many milliliters in a litter
1000 mL
23. How many meters in a kilometer
1000 m
24. Give the letters of the prefixes in order
K H D (bu) d c m
Last page of review has the
answer key at the bottom of
the page
Email me with any questions you
have. Study Hard!
cwiest@pdsd.org