Compound Denominate Numbers: Multiplying Compound Denominate Numbers
This clip explains how to multiply compound denominate numbers. The clip points out that, "
in multiplication, we don't work in columns as we do in addition
and, to multiply, the units must be the same
.(so) we convert both compound denominate nu...
Compound Denominate Numbers: Working With Compound Denominate Numbers
This clip explains that a denominate number is, "
any number that is written with a unit." The clip notes that compound denominate numbers are numbers that have more than one unit. "When we add compound denominate numbers," the clips states, "
we ...
Compound Denominate Numbers: Practical Problems: Subtracting Compound Denominate Numbers
This clip includes a number of practical problems requiring the subtraction of compound denominate numbers. The clip reminds the student to work with one column at a time and to borrow when necessary.
Dividing Whole Numbers, Part 2: Comparing Methods of Division
This clip explains that dividing can sometimes be done more quickly for those comfortable with guessing the partial quotient rather than figuring it out. On the other hand, the method known as "long division" offers another approach altogether.
Fluid Volume: Practical Problems: Converting Between Metric and U.S. Customary Systems
This clip provides practical problems that are solved by converting between metric and U.S. units. The problems include figuring out a hospital's requirements for antiseptic solution, the capacity of an automobile's gas tank, the amount of cough syr...
Fluid Volume: Metric Units of Fluid Volume
This clip includes a number of metric conversion problems. The clip explains that, although there are 6 equivalences for fluid volume in the Metric System, '
we'll only use the one that contains the common metric units 'liter' and 'milliliter'."
Rounding Numbers: Rounding Numbers to the Nearest Unit
This clip talks about the use of rounding in measuring distances to the nearest whole number, rather than to the nearest tenth.
Adding and Subtracting Decimal Fractions: Summary: Adding and Subtracting Decimal Fractions
This clip summarizes the main points of adding and subtracting decimal fractions. It revisits the idea that adding decimal fractions depends on lining up the addends by place value. The clip says that the easiest way to do this is by lining up the d...
Addition of Whole Numbers, Part 2: Carrying
This clip explains what it means to carry when adding multi-digit whole numbers.
Addition of Whole Numbers, Part 2: Three Practical Problems
This clip provides three real-world examples of how the ability to add whole numbers can be useful. The examples include calculating the following: the total number of miles driven during a multi-day trip, the total number of people who attended sev...