Download e-book for kindle: Intermediate Algebra with P.O.W.E.R. Learning by Sherri Messersmith

By Sherri Messersmith

"After having written 5 developmental algebra textbooks, i made a decision to crew up with Larry Perez from Saddleback university in California to jot down a paperback sequence starting with easy collage Math or mathematics. we all know, first-hand, that instructing developmental arithmetic is set a lot more than the mathematics. at the present time, a lot of our scholars also are in developmental interpreting and/or writing classes, so that they do not learn good. Many scholars are bad note-takers, have no idea tips to read/use a textbook, have negative research abilities, and feature by no means discovered time-management talents. teachers recognize significant reason behind excessive failure charges in developmental math classes is because of the truth that a lot of our scholars have no idea easy methods to be students. they do not are looking to fail, they only do not know the way to prevail! Larry and i've tailored what we do within the lecture room to attempt to deal with the non-math wishes of our scholars. yet, we questioned, how do we do that in a textbook? input P.O.W.E.R.. P.O.W.E.R. is a five-step method to advertise studying and significant considering. every one step within the process--Prepare, manage, paintings, evaluation, and Rethink--provides scholars with a confirmed framework that would support them in achieving educational good fortune. P.O.W.E.R. maximizes the luck of scholars by utilizing a research-based "best practices" process. it's a scientifically-based framework selling scholar good fortune, with every one step within the strategy in response to empirical examine findings with regards to scholars' educational functionality in a faculty setting"

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Example text

Whole numbers consist of the natural numbers and zero. Let’s look at other sets of numbers. We begin with integers. Remember that, on a number line, positive numbers are to the right of zero, and negative numbers are to the left of zero. Definition The set of integers includes the set of natural numbers, their negatives, and zero. The set of integers is {…, Ϫ3, Ϫ2, Ϫ1, 0, 1, 2, 3, …}. EXAMPLE 1 Graph each number on a number line: 5, 1, Ϫ2, 0, Ϫ4. Solution Ϫ4 Ϫ2 0 1 Ϫ6 Ϫ5 Ϫ4 Ϫ3 Ϫ2 Ϫ1 0 [YOU TRY 1] Notice that we use the set of integers to label the number line in Example 1.

When doing math tasks in particular, it is important to work efficiently but patiently, neither trying to rush through the work nor becoming frustrated and giving up after the first difficulty you encounter. Stay motivated by keeping your goals in mind. • • • • Think back to your goal for the task. Did you meet your own expectations? Revise your work based on your assessment of it. In math courses, it’s important to identify the specific obstacles that may be causing you to perform below your capabilities.

That is, if a is a real number, then a ϩ (Ϫa) ϭ 0. Notice in part d) of Example 2 that Ϫ7 and 7 are additive inverses. [YOU TRY 2] Add. 11 ϩ (Ϫ8) a) 2 b) Ϫ17 ϩ (Ϫ5) c) 5 2 Ϫ ϩ 8 3 d) 59 ϩ (Ϫ59) Subtract Real Numbers Subtraction of numbers can be defined in terms of the additive inverse. We’ll begin by looking at a basic subtraction problem. Represent 6 Ϫ 4 on a number line. 0 1 2 3 4 5 6 Start Begin at 6. To subtract 4, move 4 units to the left to get 2: 6 Ϫ 4 ϭ 2. We use the same process to find 6 ϩ (Ϫ4).

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