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Rules for Converting Units1. Units cancel in division.2. Units combine in multiplication.3. Units stay the same in addition and subtraction.
What is a Conversion Factor?1. A ratio written in fraction form that can express the
same value or quantity in two different units. 2. Conversion Factors are going to essentially equal one.3. Any number multiplied by one does not change.
Assignment1. Come up with 5 conversion factors not mentioned on
the previous slide.
€
Steps to Converting Units
1. Start with the unit you want to change.
2. Multiply it by a blank fraction.3. The unit you want to change goes
in the denominator.4. The unit you want to convert into
goes into the numerator.5. Insert the values for your
conversion factor.6. Solve the problem.
How many inches are there in 50 feet?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
How many inches are there in 50 feet?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
xft =50ft
in in121
600
How many feet is 744 inches?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
How many feet is 744 inches?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
in744
How many feet is 744 inches?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
xin744
How many feet is 744 inches?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
xin =744in
ft ft
How many feet is 744 inches?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
xin =744in
ft ft
121
How many feet is 744 inches?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
xin =744in
ft ft
121 62
x =
Unit you want to change
Unit you are changing into
Conversion
Factor
How many seconds are 40 minutes?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
How many seconds are 40 minutes?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator and answer.5. Insert the values for your conversion factor.6. Solve the problem.
x =
How many cups are in 4.5 gallons?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator.5. Insert the values for your conversion factor.6. Solve the problem.
How many eggs are in 15 dozen?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator.5. Insert the values for your conversion factor.6. Solve the problem.
How many dozen is 89 eggs?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator.5. Insert the values for your conversion factor.6. Solve the problem.
How many seconds are in 3 hours?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator.5. Insert the values for your conversion factor.6. Solve the problem.
A swimming pool holds 10,000 gallons of water and one gallon of water weighs 8lbs. What is the weight of the water in the pool?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator.5. Insert the values for your conversion factor.6. Solve the problem.
x =
How many seconds are in 3 hours?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator.5. Insert the values for your conversion factor.6. Solve the problem.
How many seconds are in 3 hours?
1. Start with the unit you want to change.2. Multiply it by a blank fraction.3. The unit you want to change goes in the denominator.4. The unit you want to convert into goes into the
numerator.5. Insert the values for your conversion factor.6. Solve the problem.
3 Hours Minutes That number of Minutes Seconds
Assignment
Unit Conversions Handout