and Unit Cancellation I Unit Conversion a 1 foot 12 inches 1 foot 12 inches 1 12 inches 1 foot 1 These are Conversion factors Which one you use depends on what you want to do ID: 659054
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Slide1
Chapter 1.3Conversion FactorsandUnit CancellationSlide2
I- Unit Conversiona) 1 foot = 12 inches
1 foot
12 inches
=
1
12 inches
1 foot
=
1
These are “Conversion
factors”Which one you use depends on what you want to do
b)
c)Slide3
Steps to converting units1) Write the number (with units) that you want to convert.2) Multiply it by a conversion factor, written as a fraction3) Make sure the OLD units cancel (tells you which way the conversion factor goes)4) Multiply the numbers on top and divide by the numbers on the bottom.Slide4
How many inches in 4.3 feet?1) Write the number (with units) that you want to convert.2) Multiply it by a conversion factor, written as a fraction4.3ft4.3ft
Slide5
3) Make sure the OLD units cancel (tells you which way the conversion factor goes)4) Multiply the numbers on top and divide by the numbers on the bottom.4.3ft
4.3 x 12in = 51.6in
Slide6
Convert 52.8 hours to days1) Write the number (with units) that you want to convert.2) Multiply it by a conversion factor, written as a fraction52.8 hrs52.8hrs
Slide7
3) Make sure the OLD units cancel (tells you which way the conversion factor goes)4) Multiply the numbers on top and divide by the numbers on the bottom.52.8hrs
= 2.2 days
Slide8
How many kilometers are in 2.5 miles?1) Write the number (with units) that you want to convert.2) Multiply it by a conversion factor, written as a fraction2.5 miles2.5 miles X
Slide9
3) Make sure the OLD units cancel (tells you which way the conversion factor goes)4) Multiply the numbers on top and divide by the numbers on the bottom.2.5 miles X
2.5 x 1.609= 4.02 km