

Unit Conversions
Presentation
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Physics, Mathematics
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7th - 12th Grade
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Practice Problem
•
Medium
Adam Morris
Used 46+ times
FREE Resource
4 Slides • 3 Questions
1
Unit Conversions

2
Multiple Choice
2 days is how many hours?
24 hours
48 hours
72 hours
3
2 days = 48 hours
1 day = 24 hours
2 days = 1 day times 2
24 hours x 2 = 48 hours
4
Unit Conversions (aka Dimensional Analysis)
Step 1: Find a relationship between the 2 units you're converting
Example: 1 day = 24 hours
Step 2: set your relationship up as a fraction, with the unit you're converting TO on TOP and FROM on BOTTOM.
Example: We are going from days to hours
1 day24 hours
5
Unit Conversions (aka Dimensional Analysis)
Step 3: Multiply what you're going from by your relationship
Example: 12 days×1 day24 hours=148 = 48 hours
From^ x Relationship^ = math! = answer^
Remember to put what youre going from on bottom of relationship and what you're going to on top.
6
Multiple Choice
If there are 100cm in 1m, convert 60cm to meters.
160cm×100cm1m=10060=0.6m
160cm×1m100cm=16,000=6,000m
7
Multiple Choice
If one mile = 1600m, then 0.75 miles is how many meters?
10.75mi×1mi1600m= 1×10.75 ×1600=1200m
11600m×0.75mi1mi=1 ×0.751600 ×1= 2,133m
Unit Conversions

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