Jan
23
2009
0

Get a Head Start On Problem-Solving Courses This Semester

Taking chemistry, biochem, physics, calculus, or their ilk? These courses are light on information to be memorized and heavy on problems to be solved and concepts to be grasped.

That takes time, effort, and repetition, just like learning to play the violin or to draw realistically. Here are some steps to make these sorts of courses much more manageable.

  1. Don’t wait to get started. You can’t cram for these courses, so start studying on day one of the class.
  2. regularly with frequent breaks. Your needs time between each study session to process new concepts, so study a little in the morning, a little in the afternoon, and do it each day. shows that marathon study sessions tend to be less effective.
  3. Don’t substitute learning-about for learning. It’s very tempting to just read through your class notes or the textbook repeatedly. You feel like you are studying, but you really won’t get any better at solving the problems. To get better at the violin, you play the violin; you don’t read about playing the violin. Do practice problems, starting with easier ones and working to harder ones. Please log in or sign up to read the rest of this content. Find out more.
Written by sharpbean in: Study Skills | Tags: , , , ,
Jan
17
2009
0

Flash Cards

Please log in or sign up to read the rest of this content. Find out more.

Written by sharpbean in: GRE,SAT,Study Skills | Tags: , , , , , ,
Jan
15
2009
5

How to Become a Math Expert

You aren’t going to like the answer, I’m afraid. They way to become an expert is to really work at it. I’m not being glib. Malcolm Gladwell explains (brilliantly, as usual) in his new , Outliers, which I highly recommend.

Gladwell builds a very convincing argument that skill is much more closely related to persistence and hard work than any innate ability. Bottomline: The more you do , the better you get at .

Most convincing : Every four years, elementary and junior high students around the world take the TIMSS test of math and science. The test begins with a long, boring series of 120 questions designed to get the students’ background–parents level of education, home life, views on science, etc.

(more…)

Written by sharpbean in: GRE,SAT,Study Skills | Tags: , , , ,
Jan
12
2009
0

Just for Fun

When you are dissatisfied and would like to return to your youth, think of Algebra. –from an email

Written by sharpbean in: Study Skills | Tags:
Dec
26
2008
0

The SAT: An Overview

The SAT Reasoning Test (note: NOT the subject specific SAT tests) is used widely by colleges and universities as one of their admissions criteria.  It is also often used as a criterion in awarding scholarships. It is claimed to test students’ abilities in subjects such as reading, , and mathematics; subjects that are supposed to predict those students’ success. It does not, however, do a very good job at this task, even by the admission of the Board, the company that makes the SAT.

Normally taken by high school juniors and seniors, it’s become a dreaded rite of passage for many high school students around the world.  Let’s take a look at the basic layout of the test.

Given seven times a year in the U.S., and six times a year overseas. the SAT tests three different areas; reading, writing, and .  Each of these are scored on a 200 to 800 point scale, and people usually talk about a combined score, adding the scores from each section together.  A mid-level score might be 1500, while a perfect score would be 2400.

SAT Sections

The SAT has several different question types including a short essay, five-choice multiple-choice questions, and grid-ins, where the student enters their answer on a number grid.

The Writing Section

The SAT Writing section takes a total of sixty minutes; thirty-five minutes test grammar and word usage in the form of multiple-choice questions.  Students will also be asked to spend twenty-five minutes writing an essay.

More details about this section, including exact question types and examples can be found here.  The writing section is relatively new and many colleges and universities do not even consider it in their admissions.  To find out how your schools of choice handle it, you will have to ask their admission’s counselors directly.

The Reading Section

The critical reading sections of the SAT include two twenty-five minute sections and one twenty minute section.  Question types include sentences with a blank or two blanks in which you must pick the best word or words to go in the blanks.  This mainly tests .  There are also short reading passages over which students must answer a series of questions about passage details, structure, main idea, author’s intentions, etc.  These questions mainly test reading comprehension and are the single, hardest section in which to increase your score, mainly because reading comprehension takes months or years to improve significantly.

See more details and examples of these question types here.

The Math Section

The math section of the SAT is also divided between two twenty-five minute sections and one twenty minute section.  While the majority of the questions are five-choice multiple choice questions, there are also grid-in questions (the College Board calls these “student-produced response” questions), where students must fill in their answers.  The math section tests algebra, geometry, graphing, functions, basic statistics, and data-analysis.  American students can expect to have learned everything they might see on the SAT by tenth grade.

Students are allowed to use a calculator, although every question can be answered without one.  To see the specific question types and examples as well as more details on calculator usage look here.

The Unscored Section

Students will also have an additional twenty-five minute section in either critical reading, mathematics, or writing multiple-choice.  This section is used by College Board to try out new questions, and it does not count towards your score.  However, it will not be identified as an experimental section, and you shouldn’t try and guess which section is the unscored section.  Just do your best on all the sections.

College Board claims that this section is used to make sure tests and question types are comparable from test to test and to “insure fairness.”  It also enables them to do some at your expense.

Test Format

The SAT has a total of 10 sections. The 25-minute essay always comes first, and the final section will always be a 10-minute long, multiple-choice, writing section. Sections two through seven are always 25-minutes each and will alternate between reading, math, and writing in relatively random order. Sections eight and nine are 20-minutes each. In a single SAT administration you and the test-takers next to you may all have different versions of the test with section types (math, reading, writing) in different orders.  There are also two, ten-minute breaks; one after the third test section, and one following the sixth section.

Preparing

It is very important to prepare for the SAT, not only to make it easier for you to get into the college of your choice, but also to put yourself in the best position to get scholarships and fellowships.  Plan on taking it two or even three times.  You can take a free SAT test here.  I’ve also written about my preferred test prep books here, and I’ve written about the advisability of taking a here (although the article is specifically about the GRE test–similar to the SAT but used for graduate school admissions–the principles are much the same.  I’ve also written on the best schedule to prepare for a test such as this (again, it’s written specifically for the GRE, but the principles are identical.)

Dec
23
2008
0

The GRE; An Overview

The GRE, officially known as The Graduate Record Examination General Test, is supposed to test , mathematical and skills learned by students during . Most graduate programs require GRE scores to consider students for admission.

Key Facts:
  • In the US, the GRE is given as a Computer Adaptive Test, or CAT. In other countries, the GRE may be paper-based.
  • You’ll take the test on a computer at special testing centers located throughout the U.S. and around the world.
  • The computer-based GRE entails about 2 hours of multiple-choice testing combined with 75 minutes of essay writing.
  • You can’t go back to previous questions. Once you give an answer and confirm it the question is GONE. You will never see it again.
  • On the section, you cannot use a calculator. So dust of the old times tables. You’ll need them.

Scoring

The GRE is scored on a scale of 200-800 for the verbal and quantitative sections. The writing section is scored on a 0 to 6 point scale in half-point increments.  You will also be given a percentile ranking for your score.  If you scored in the 50th percentile, it would mean that half the test takers did better than you in that section, and half did worse.

GRE Structure:

  • Verbal Section: 30 questions/30 minutes
    • Antonym Questions
    • Analogy Questions
    • Sentence Completion Questions
    • Reading Comprehension Questions
    • 470 is an approximate 50th percentile score
  • Quantitative () Section: 28 questions/45 minutes
    • Quantitative Comparison Questions
    • Problem Solving Questions
    • 610 is an approximate 50th percentile score
    • No calculators
  • Writing Assessments: 2 essays in 75 minutes
    • Analysis of an Argument (30 minutes)
    • Analysis of an Issue (45 minutes)
    • 4.5 is an approximate 50th percentile score
  • General Structure
    • Essays always come first, followed by a ten-minute break
    • Verbal and Quantitative come in random order, with a one-minute break between sections
    • You will have either two verbal or two quantitative sections, because one of those will be an experimental section used to test out new questions.  You will not know which section is experimental (don’t waste time trying to identify it), and it won’t count towards your score.
  • Key Contacts
    • For the latest information and news and to sign up for the actual GRE test go to gre.org.
    • To sign up for a weekend GRE prep class at Texas A&M University in College Station OR to sign up for a live class, taught online anywhere in the world, go here.
Written by sharpbean in: GRE | Tags: , , ,
Dec
21
2008
0

Math Help

Need some extra help figuring out that pre-calc?  Need a little review on Pi?  Take a look at this helpful site.

Written by sharpbean in: GRE,SAT,Study Skills | Tags: , ,
Dec
19
2008
0

Re-reading Your Notes Wastes Time!

Did you know that reading over your notes repeatedly is one of the LEAST effective ways to ?  Psychology has demonstrated repeatedly that you remember much more effectively when you work with information rather than just reviewing information.

Solution: Teach your study materials to a partner.  Look briefly at a main heading in the notes, then try to teach the rest of that section (from ) to your friend.  Go slowly.  Explain carefully.  Devise illustrations and examples to help make your point.  This method is much more effective than just rereading your notes!

Written by sharpbean in: Study Skills | Tags: , , , ,
Dec
17
2008
0

Toughest Questions on the SAT

Did you know there are problems on the SAT that only 3% of test takers can get correct?  All test takers should take that into account because it means–for most of us–there are problems we can’t get right no matter how much time we spend on them.

Solution: Learn to spot those problems quickly, make your best guess, and keep moving.  Don’t waste time on questions you can’t answer.  Save it for the ones you can get correct!

Written by sharpbean in: SAT | Tags: ,
Nov
14
2008
1

Free GRE Math Tutorial Online

West Texas A&M University has put together a brief online GRE tutorial with practice tests.  Take a look!

Written by sharpbean in: GRE | Tags: , , ,

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