1. Reading Your Way to Better Grades

2. Most of the Difficulties in Word Problems are Associated with the Actual Reading of the Problem…
An example: A system has a mass of 250 grams and a density of 4.0 grams/cm What is the volume of the system?

3. Step #1: Find the Question
An example: A system has a mass of 250 grams and a density of 4.0 grams/cm What is the volume of the system?
the question !!

4. Step #2: Ask yourself, “Do I know an equation that will solve for the requested variable?”
An example: A system has a mass of 250 grams and a density of 4.0 grams/cm3. What is the volume of the system?
Yes !! It is a
density problem !!
Mass
Density
Volume

5. Step #3: Write an equation that will solve for the requested variable.
Volume =
mass
Density
Mass
Density
Volume

6. Step #4: Find the Data that you need in the Text of the Problem.
An example: A system has a mass of 250 grams and a density of 4.0 grams/cm3. What is the volume of the system?
We call this process
“data hunt”
Volume =
mass
Density

7. Step #5: Substitute in the Found Values and Solve the Problem.
An example: A system has a mass of 250 grams and a density of 4.0 grams/cm3. What is the volume of the system?
Volume =
mass
Density
250 grams =
4.0 grams/cm3 =
62.5 cm3