Converting Units Math Worksheet Page 4
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Name ____________________ Student Number ______ Date _____________
Simple Conversion Problem Example
Problem: Convert 45 centimeters to millimeters
STEP 1 – Set up both unit conversion factors between the units you are converting between. Chose
the factor containing the unit you are converting from on the bottom. Circle it.
0.001
cm
0.01
mm
0.01
mm
0.001
cm
STEP 2 - Put the starting measurement (the value you are converting from) in the problem over 1.
45
cm
1
STEP 3 – Multiply the starting measurement by the chosen conversion factor. Cancel everything that
appears both on the top and bottom in the equation (both numbers and units).
45
cm
0.01
mm
×
=
1
0.001
cm
STEP 4 - Calculate the problem, including the units!
45
cm
0.01
mm
45(0.01)
mm
450
mm
×
=
=
=
450
mm
1
0.001
cm
0.001
1
Using the four steps above, complete the following conversion factors. Pay special attention to step one and
write down both conversion factors before completing the problem.
9. Convert 4 meters to centimeters.
10. Convert 453 grams to kilograms.
11. Convert 150 seconds to minutes.
12. Convert 2 meters and 33 centimeters to centimeters.
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