Mathematics in the Business World
An introduction to the world of business math, rationale for studying the subject and an important look at the value of strong math skills.
Compound Denominate Numbers: Summary: Compound Denominate Numbers
This clip reviews the key points involved in adding, subtracting, multiplying and dividing compound denominate numbers. Some of the topics covered include unit conversion to largest possible unit (adding), borrowing (subtraction), converting to the ...
Word Problems: Turning Word Problems Into Number Sentences
This clip explains that students who have no trouble with ordinary arithmetic sometimes get confused by word problems. The clip then suggests ways to solve word problems by breaking them down into a series of steps.
Renaming Fractions: Why Re-Name Fractions?
This clip explains that renaming fractions in higher terms is essential for adding, subtracting, or comparing two or more fractions. "On the other hand," the clip continues, "reducing fractions is mostly a matter of convenience."
Adding Signed Numbers: Adding Numbers With Different Signs
This clip explains the rule for adding numbers with different signs. "Subtract the absolute value of the addends to get the absolute value of the answer," the clip advises. "As for the sign of the answer, it's the same as the sign of the addend with...
Adding Signed Numbers: Adding Two or More Numbers With the Same Sign
This clip explains that when adding two or more numbers with the same sign, to get the absolute value of the answer, we add the absolute value of the addends. "As for the sign of the answer," the clip continues, "
it's the same as the sign of the a...
Adding Signed Numbers: Pairs of Numbers Whose Sum is Zero
This clip explains that any time we add 2 numbers with the same absolute value, but opposite signs, their sum will be zero.