tbd Prac2 Unit Conversions2 - ETM

By Patrick Mazza
Last updated about 2 years ago
20 Questions

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.

What does the prefix "Kilo" represent in terms of numbers?

What does the prefix "Milli" represent in terms of numbers?

What does the prefix "Centi" represent in terms of numbers?

What does the prefix "Micro" represent in terms of numbers?

Goal 2.1b - I can convert units using dimensional analysis (1-step).

Convert 5 days to minutes.

How will the units change as we calculate the conversion above?

Continued: Convert 5 days to minutes.

How should we set up the first fraction structure in our conversion?

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?

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.

New question: Convert 20 meters to centimeters.

How will the units change as we calculate the conversion above?

Continued: Convert 20 meters to centimeters.

Which fraction below should we use for the first fraction structure in our conversion?

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?

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)

Convert 500,000 centimeters to kilometers.

How will the units change as we calculate the conversion above?

Convert 500,000 centimeters to kilometers.

Which fraction below should we use for the first fraction struture in our conversion?

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?

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)

Extra Practice (Not required)

If we multiply 8 feet by 5 feet the units of "feet" will cancel?

How many seconds are there in one day?

Want: Have: Organize: