Solving Compound Inequalities
How to solve compound inequality problems.
Translating Word Problems into Inequalities
Translating word problems into inequality statements.
Solving Inequalities
The procedure for solving an inequality by performing the same operation on each side of the statement.
False Inequality, A
How to identify a false inequality.
Number Line, The: Introduction to Inequalities
This clip explains how the number line can be used to better understand the idea of inequality, which is based on the fact that, if two numbers aren't equal, one must be greater than the other.
Introduction to Inequalities and Solution Sets
Inequality statements are defined, solution sets explained, the use of a number line demonstrated, and the less than and greater than symbols illustrated.
Introducing Fractions: Fractions Greater Than One
Using the number line as a frame of reference, this clip explains that fractions aren't just points between zero and one; they can also be points beyond the number one. "There are fractions all up and down the number line, not only at the beginning,...
Signed Numbers: Comparing Absolute Values
This clip states that, "
if you look at the number line, you'll see that all negative numbers are less than all positive numbers." Nonetheless, the clip explains, "
even though negative 5 is less than positive 1, the absolute value of negative 5 i...
Rounding Numbers: Summary Example and an Exercise
This clip walks us through two examples of rounding with decimal numbers, then invites the student to, "
try one yourself...(and) handle it like the problem we just finished." The clip then talks about the importance of, "
returning to the origina...
Rounding Numbers: Rounding to the Nearest Tenth
This clip explains the procedure used in rounding to the nearest tenth. "The place to look is the hundredths place," the clip explains. "If it's less than five, leave the tenths place unchanged and drop everything to the right. If it's five or more,...