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tbd Prac2 Unit Conversions2 - ETM
By Patrick Mazza
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Last updated over 3 years ago
20 questions
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PRACTICE: Unit Conversions (1 & 2 step)
STOP:
If you didn't watch the video yet then click HERE.
Number Prefixes
Kilo (k)
 - 1000 or thousand
Milli (m)
 - 0.001 or one-thousandth
Centi (c)
 - 0.01 or one-hundredth
Micro (μ)
 - 0.000001 or one-millionth
Goal 2.1a - I can identify the numbers represented by prefixes used with the Standard International (SI) Measurement System.
Question 1
1.
Question 2
2.
Question 3
3.
Question 4
4.
Goal 2.1b - I can convert units using dimensional analysis (1-step).
Question 5
5.
Question 6
6.
Question 7
7.
Question 8
8.
Question 9
9.
Continued: Convert 5 days to minutes. Show your work:
include your set up and show how units cancel
.
Want: Have:
Organize:
(1 day = 24 hours, 1 hour = 60 minutes)
If needed, here is a video that can guide you through how to solve and show your work here.
visibility
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Question 10
10.
Question 11
11.
Question 12
12.
Question 13
13.
Continued: Convert 20 meters to centimeters. Show your work:
include your set up and show how units cancel
.
Hint: Watch example #3 in this video.
Want: Have:
Organize:
(1 meter = 100 centimeters)
visibility
View drawing
Question 14
14.
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Continued: Convert 500,000 centimeters to kilometers. Show your work:
include your set up and show how units cancel.
Hint:
Watch example #3 on this video.
Want: Have:
Organize:
(1 kilometer = 1000 meters, 1 meter = 100 centimeters)
visibility
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Extra Practice (Not required)
Question 19
19.
Question 20
20.
How many seconds are there in one day?
Want: Have: Organize:
visibility
View drawing
What does the prefix "Kilo" represent in terms of numbers?
0.001 or one-thousandth
1000 or one-thousand
0.000001 or one millionth
0.01 or one hundredth
What does the prefix "Milli" represent in terms of numbers?
0.001 or one-thousandth
1000 or one-thousand
0.000001 or one millionth
0.01 or one hundredth
What does the prefix "Centi" represent in terms of numbers?
0.001 or one-thousandth
1000 or one-thousand
0.000001 or one millionth
0.01 or one hundredth
What does the prefix "Micro" represent in terms of numbers?
0.001 or one-thousandth
1000 or one-thousand
0.000001 or one millionth
0.01 or one hundredth
Convert 5 days to minutes.
How will the units change as we calculate the conversion above?
days ---> seconds ---> minutes
minutes ---> days ---> hours
days ---> hours ---> minutes
Continued: Convert 5 days to minutes.
How should we set up the
first fraction structure
in our conversion?
5
Continued: Convert 5 days to minutes.
Which conversion factor below should we use for
fraction #2
in our conversion?
In other words, which fraction when multiplied will eliminate the units of
fraction #1
?
Continued: Convert 5 days to minutes.
Which conversion factor below should we use for
fraction #3
in our conversion?
In other words, which fraction when multiplied will eliminate the units of
fraction #2
?
New question:
Convert 20 meters to centimeters.
How will the units change as we calculate the conversion above?
centimeters ---> meters
meters ---> centimeters
Continued: Convert 20 meters to centimeters.
Which fraction below should we use for the
first
fraction structure
in our conversion?
20
Continued: Convert 20 meters to centimeters.
Which conversion factor below should we use for
fraction #2
in our conversion?
In other words, which fraction when multiplied will eliminate the units of
fraction #1
?
Convert 500,000 centimeters to kilometers.
How will the units change as we calculate the conversion above?
kilometers ---> meters ---> centimeters
centimeters ---> meters ---> kilometers
centimeters ---> kilometers ---> meters
Convert 500,000 centimeters to kilometers.
Which fraction below should we use for the
first fraction struture
in our conversion?
500,000
Continued: Convert 500,000 centimeters to kilometers.
Which conversion factor below should we use for
fraction #2
in our conversion?
In other words, which fraction when multiplied will eliminate the units of
fraction #1
?
Continued: Convert 500,000 centimeters to kilometers.
Which conversion factor below should we use for
fraction #3
in our conversion?
In other words, which fraction when multiplied will eliminate the units of
fraction #2
?
If we multiply 8 feet by 5 feet the units of "feet" will cancel?
True
False