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Published:
September 28, 2015

GED Mathematical Reasoning Test For Dummies

Overview

Gear up to crush the GED Mathematical Test

Does the thought of taking the GED Mathematical Reasoning Test make you weak? Fear not! With the help of GED Mathematical Reasoning Test For Dummies, you'll get up to speed on the new structure and computer-based format of the GED and gain the confidence and know-how to make the Mathematical Reasoning Test your minion. Packed with helpful guidance and instruction, this hands-on test-prep guide covers the concepts covered on the GED Mathematical Reasoning Test and gives you ample practice opportunities to assess your understanding of number operations/number sense, measurement and geometry, data, statistics, and probability, and algebra, functions, and patterns.

Now a grueling 115 minutes long, the new Mathematical Reasoning section of the GED includes multiple choice, fill-in-the-blank, hot-spot, drop-down, and drag-and-drop questions—which can prove to be quite intimidating for the uninitiated. Luckily, this fun and accessible

guide breaks down each section of the exam and the types of questions you'll encounter into easily digestible parts, making everything you'll come across on exam day feel like a breeze! Inside, you'll find methods to sharpen your math skills, tips on how to approach GED Mathematical Reasoning question types and formats, practice questions and study exercises, and a full-length practice test to help you pinpoint where you need more study help.

  • Presents reviews of the GED Mathematical Reasoning test question types and basic computer skills
  • Offers practice questions assessing work-place related and academic-based math skills
  • Includes one full-length GED Mathematical Reasoning practice test
  • Provides scoring guidelines and detailed answer explanations

Even if math has always made you mad, GED Mathematical Reasoning Test For Dummies makes it easy to pass this crucial exam and obtain your hard-earned graduate equivalency diploma.

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About The Author

Murray Shukyn, an acknowledged Canadian leader in alternative education, has taught at the elementary, secondary, and university levels and created adult training programs. Achim Krull has taught at high school and adult levels, and has written textbooks, teachers' guides, and numerous other learning materials.

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ged mathematical reasoning test for dummies

CHEAT SHEET

To perform well on the GED Mathematical Reasoning test, you need to be able to perform basic mathematical operations; solve math problems (including word problems); interpret charts, tables, and graphs; calculate the perimeter, area, and volume of shapes and objects; and analyze data. This Cheat Sheet provides a more detailed list of what you need to know to perform well on the GED Mathematical Reasoning test and provides tips and tricks to help you answer questions faster and with greater accuracy.

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When you’re taking the GED Mathematical Reasoning test (or any of the GED tests for that matter), you have to battle the clock. Following are ten helpful tips to save time and make sure the answers you arrive at are the correct ones. Get real: Try to develop a sixth sense about the real world around you. Cars don’t get 160 miles per gallon, unless they’re rolling downhill, so if your answer is out of whack with reality, it’s probably wrong.
To perform well on the GED Reasoning through Language Arts test, you need to read carefully and comprehend what you’re reading, and you need to do it quickly. In addition, for the RLA Extended Reponse (the essay) you have to read one or two documents, and in 45-minutes, write a competent essay. The one or two documents total about 1,000 words.
You may encounter one or two problems on the GED Mathematical Reasoning test that involve absolute values. The problem probably won't mention the term "absolute value," but the answer choices may bracket values or expressions between vertical lines, indicating that the value is an absolute. Here are some examples.
On the GED Mathematical Reasoning test, you may be asked to add or subtract polynomial expressions. With polynomials, adding and subtracting is almost identical, except with subtraction, you need to watch how the minus sign affects the polynomial you're subtracting. The following example questions let you test both your addition and subtraction skills.
The GED Mathematical Reasoning test may ask you to determine the number of ways two or more items can be arranged or combined. In this case, you're looking at a combinations or permutations problem. When you look at the supplied formula sheet, you won't find anything about permutations and combinations, so you'll have to memorize the following formula to solve permutations problems: where P stands for permutations, n is the total number of things to choose from, and r is the number chosen.
In the Mathematical Reasoning section of the GED, you may have to perform some computations with rational expressions. The following example questions ask you to subtract and multiply numeric fractions. Practice questions Subtract the following rational expressions: Multiply the following rational expressio
If you run into a function problem on the GED Mathematical Reasoning test, you may be asked to either write a function based on a word problem, or to simply plug in values and evaluate the function. The following practice questions ask you to do both. Practice questions Diana's take-home pay is described by the function f(h) = 2,000h – 0.
You may encounter one or more questions on the GED Mathematical Reasoning test where you have to factor or determine multiples of two or more numbers. These questions aren't likely to ask you so directly to factor a number or determine its multiples. In fact, they may not even mention factors or multiples—you'll simply need to recognize them.
Part of the GED Mathematical Reasoning test focuses on your ability to understand data presented in graph form, whether a graph, plot, histogram, or table. You may also be asked to plot data points on a coordinate plane. Graphs are used more for revealing the significance of data and spotting trends and less for presenting precise values.
If you know how to write linear equations and evaluate them, you'll be able to solve a wide range of algebra word problems on the GRE Mathematical Reasoning test. Many of the questions on the test challenge your ability to find the value of an unknown variable using known values presented in the question. The following problems ask you to calculate how many chocolate bars you can buy with a given amount of money, allowing for sales tax, and to figure out how many hours two people worked, given the total amount paid, and the fact that they received different pay rates.
Some questions on the GED Mathematical Reasoning test may require you to give an answer based on a collection of data. You may need to find the mean, median, and mode, and use this information to answer the question. In the following practice questions, you're asked to find the mean, median, and mode for a series of basketball scores, and to calculate a student's mean test score and compare it against the class median score.
On the GED Mathematical Reasoning test, you may need to multiply or divide polynomial expressions. You can solve these expressions using either a horizontal or vertical approach, as shown in the following practice questions. Practice questions Solve the following: Solve the following: Answers and explanations 112x2 – 94xy – 51y2 To solve this equation, start by multiplying the first term in the first polynomial by the two terms in the second polynomial: 14x (8x + 3y) = 112x2 + 42xy.
Several questions on the GED Mathematical Reasoning test require you to know how to calculate the perimeter (or diameter) and area of two-dimensional objects, including rectangles, triangles, and circles. You'll have a formula sheet at your fingertips, but you'll still have to know how to use the formulas, as well as how to figure out what the question is asking.
You're likely to encounter a question or two on the GED Mathematical Reasoning test that present mathematical relationships in graph form. These questions will require you to understand the relationships between slopes, linear equations, and coordinate planes. The following practice questions ask you to find the equation of a line based on its slope and y-intercept, and then to indicate where a circle intersects the negative y-axis on a plotted graph.
The probability of a probability question appearing in the GED Mathematical Reasoning test, is, well, pretty good. If you get one, it will either ask you to calculate for simple (one-time) events or compound (two or more) events.The following practice questions ask you to calculate the odds of drawing a certain number in a lottery, and of drawing a certain card from a deck.
On the GED Mathematical Reasoning test, quadratic equation problems will be pretty straightforward and simple, as the equations will contain only one variable. To solve quadratic equations in one variable, you have three options: Factor the quadratic. Complete the square. Use the quadratic formula. Regardless of which option you choose, the ultimate goal is to isolate the variable x (or whatever it happens to be) and solve for it.
Ratios, proportions, and percentages are three ways of comparing quantities. You're likely to encounter a couple of these comparison questions on the Mathematical Reasoning section of the GED. These questions ask you to determine a ratio, proportion, or percentage when given two quantities, or to determine an unknown quantity when the ratio, proportion, or percentage is provided along with one of the quantities.
Some questions on the GED Mathematical Reasoning test involve rational exponents and scientific notation. The following examples will challenge your ability to write and solve mathematical expressions that contains exponents. Practice questions Angels are known to be millimeters wide. The head of a pin is 1.5 millimeters wide.
On the Mathematical Reasoning section of the GED, you may be asked to simplify a rational expression. The following practice questions show a few examples of what you might encounter. Practice questions Simplify the following expression: Simplify the following expression: Answers and explanations The expre
On the GED Mathematical Reasoning test, the process for solving an inequality is very similar to solving any equation; you try to isolate the variable on one side of the inequality symbol, solve for the variable, and simplify if possible. Here are some practice questions to get you started. Practice questions Solve 3x + 7 x – 8 A.
Before you can answer a Mathematical Reasoning problem on the GED, you need to convert the problem into a mathematical equation. (Or at least you have to figure out what the question is asking you to do in terms of mathematics.) Of course, that's only the first step: being a word problem, it typically requires you to perform additional steps to arrive at the answer.
On the GED Mathematical Reasoning test, you may encounter systems of linear equations in the form of real-world word problems. When you encounter such a problem, you need to translate the words into math and formulate your equations as you normally do. You'll end up with two equations, which is a great clue that you're dealing with a system of linear equations problem.
In the Mathematical Reasoning section of the GED, you may run across a few problems that deal with unit rates and scale factors. The following practice questions are typical of what you'll find. Practice questions David is very involved with speed walking. To keep from getting too bored, he has started counting how many breaths he takes for each of his steps.
The GED Mathematical Reasoning test is likely to ask a few questions that involve volume and surface area. When taking the computer version of the test, a formula sheet is supplied, but you will have to know how to apply these formulas. The following sample questions ask you to find the diameter of a can based on its volume and height, and the slant length of a pyramid, given its side length and surface area.
On the GED Mathematical Reasoning test, you may be asked to work with inequalities in word problems. In the following practice questions, you have to choose the inequality that most accurately expresses the situation in mathematical terms. Practice questions Cindy has $20 in her pocket and is heading to the fair.
On the Mathematical Reasoning section of the GED, certain problems require that you know how to determine a value's square or square root, or its cube or cube root. You're not likely to encounter problems that only involve squares and cubes. Instead, they'll appear as word problems, as in the following examples.
To perform well on the GED Mathematical Reasoning test, you need to be able to perform basic mathematical operations; solve math problems (including word problems); interpret charts, tables, and graphs; calculate the perimeter, area, and volume of shapes and objects; and analyze data. This Cheat Sheet provides a more detailed list of what you need to know to perform well on the GED Mathematical Reasoning test and provides tips and tricks to help you answer questions faster and with greater accuracy.
When you take the computer version of the GED Mathematical Reasoning test, you have access to an on-screen calculator for all but the first five questions. You may not need it for some questions. In fact, if you can do the math in your head, you can save yourself some precious time. However, when the math is complicated or you want to double-check your computations, you can click the Calculator button in the upper left corner of the screen to access the calculator, which is an on-screen version of the TI-30XS MultiView hand-held calculator shown here.
When solving an equation that contains more than one mathematical operator on the GED, you must perform the operations in the correct sequence to arrive at the correct answer. For example, 54 +10 ÷ 2 can produce two different answers. If you add 54 and 10 and then divide by 2, you get 32. If you divide 10 by 2 first and then add 54, you get 59.
Uncertainty can generate significant test anxiety. To lessen the anxiety and boost your performance on the GED Mathematical Reasoning test, get a general idea of what’s covered on the test. To do well on the test, you need to be able to do the following: Perform basic mathematical operations, including: addition, subtraction, multiplication, division, finding the square and square roots of numbers, and finding the cube and cube roots of numbers.
You can save time on some questions in the Mathematical Reasoning test of the GED by working with approximate numbers instead of exact numbers. Two useful techniques for doing this are rounding and estimating. Look at rounding first. If you arrive at a numerical answer with a recurring decimal, such as 210.8740921857362, you're not expected to enter all those decimal places.
Many of the questions on the GED Mathematical Reasoning test are word problems. They describe a real-world problem that requires math to solve. You need to read and understand the problem before you can answer it. Here’s a good way to approach word problems: Read the problem and the answer choices. The answer choices often provide valuable clues to solving the problem, such as the unit (miles, minutes, whatever) the answer needs to be in.
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