how do we use algebra in real life? to me its just a waste of time. teach us how to pay our bills, write a check, buy a home, manage our money. im tiered of trying to find your X algebra and i dont know Y either!!!!

how do we use algebra in real life? to me its just a waste of time. teach us how to pay our bills, write a check, buy a home, manage our money. im tiered of trying to find your X algebra and i dont know Y either!!!!

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These are all great answers, but I'd like to point out something a bit more conceptual. The skills learned in algebra are based on the idea that you can manipulate an equation by doing the same thing to both sides to create another equation that's the same value, but written differently. When I teach algebra, I talk about the idea that solving equations is all about rewriting the same thing differently, turning it around in your head and on paper until you get it into a form that tells you what you want to know.

In that sense, you use algebra all the time in real life. It might not happen to involve numbers, but the skills are still there. Say you get home from school one day and you can't find your key. How would you get into your house? You'd probably do some version of turning the problem around, maybe check the windows to see if you could get in that way, maybe retrace your steps to see if you dropped your keys somewhere. Eventually, something would work out, and you'd figure out a way to get into your house. Or, say you're having trouble figuring out why your significant other is mad at you. You'd again be turning the problem around in your head, working one step at a time and going over what you know, until you find the angle that makes the reason for his/her anger clear.

That is what I've found far more energizing than any single math application - algebra teaches you how to problem solve, and generally far more thoroughly than any other school subject. I know it can be frustrating when you feel like you have no idea what they're asking you for, but I promise you, the skills you are learning will become useful in just getting through your life. Just think about it without the numbers, and ask yourself - what exactly am I really doing here? How would I solve a real-life problem like this?

I know this post is over a year old, but I feel compelled to reply, to Give praise. your explanation, Ms. Ellen S. From Pittsburg,PA Is the most eloquent, articulative, illuminating definition that I have ever heard and I have friends who are Math professors and hold PHD's in Mathematic's. Your ability to simplify and refine the purpose of algebra was ingenious. i think if more kids had teachers like you, then kids would be able to conceptualize Alegbra in a whole new way, and probably be more motivated and invested into tackling it.!

Thank you so much for the kind words! I really appreciate comments like yours; it's so easy to fall into a routine in your teaching and not really know whether your ideas are hitting home or not. I'm glad they resonate with you!

This question actually prompted me to write a whole blog post about a situation in my own life where I used my algebra skills to problem solve; you can find it over on my WyzAnt Blog page: http://www.wyzant.com/resources/blogs/241993/a_few_thoughts_on_why_we_learn_algebra

I fully agree that we need Algebra.. Algebra is money and mortgages and checking accounts and paycheck information. But why Algebra II for people who hate math and have no interest talent or desire for a math related field. I threw up at the sight of fetal pigs and frog insides and did not take biology.. they were just in jars in the room where I took Ecology. I and am a member of PETA but high school biology teachers tried desperately to tell me how much I would need the skills I would have learned there. I am fifty now and have yet to regret my lack of scalpel skills. I've been an accountant and have my own real estate management business. I've been a restaurant manager and worked in retail. I worked in IT supporting 35000 users on the admin side and even did some development and I now have a 17 year old who is struggling in Algebra II and I can't help him because I have not had need of even one of the principles he's learning since I was in high school myself. his grades in classes like English, and science are falling and I defy anyone to tell me he won't be using English in his chosen profession. person finance is an elective even though he has a bank account right now. Why put kids through the theoretical maths and exclude actual practical information. I can quote the kids in my life examples of times when Algebra and geometry were key to solving a real life problem but not one for Algebra II. My husband has been in IT for 30 years straight as a highly sought after developer and network topographer/administrator and he is struggling to remember back to high school so that he can help our teenager with a subject that he has also never used in his adult life. My uncle works on designing missiles for the military and he actually uses this. As I poll my friends and family, I have oncology nurse, doctors, RN, hairdressers, teachers (not math), entertainers, network administrators, veterinary assistants and vets, lawyers, restaurateurs, labor relations specialists etc. and the main reason FOR the higher maths in High school that I keep hearing are "it teaches you problems solving skills. I feel that if we teach kids algebra I and geometry we have covered all the mathematical problem solving they need AND maybe we'll have time for problem solving skills that do NOT depend on math.. Not all logic is number related. There is logic and problem solving involved in grammar and logical strategy to be learned in History. By over doing math, we are slighting situational logic and problem solving that will be much more useful. Mathematical problem solving is linear thinking. the lateral thinking "outside the box" doesn't come from math problems. It is taught in History, Science and English. I think that's how we get the stereotype of the nerdy intellectual with zero "street smarts" The pattern of thought that makes a person good at math also tends to exclude them from common sense.

I absolutely agree with much of what you're saying here Shannon. I too have been a small business owner as well as been employed in a number of managerial positions. Not once have used Algebra. If I was required to solve a particularly complex mathematical problem, I did it long hand. Either way it got done- with the correct answer.

In the meantime, my grandson is about to become a sophomore in college. He was required to take Algebra in his freshman year. Now he's required to take yet another Algebra course in his sophomore year.

I'm perplexed. When I look back, I realize that he's been taking Algebra in some form or another since he was in 4th grade. With that in mind I pulled out my college transcript thinking I was "mis-remembering" the Algebra I took. Nope! Not a single Algebra class in 4 years of college. While I know there are many careers that need the higher level maths, most don't. Which makes me wonder if this is more of a financial windfall for colleges rather than a practical one.

Ellen W. | Helping you understand math and science!Helping you understand math and science!

Algebra is a language for representing and talking about calculations.

Despite what your teachers might have told you a million times, it isn't *necessary* for everyday life...but neither is art, music, dance, sports, games, history, fiction, or a million other things people do, so that isn't really the right standard, is it?

The most important reason to share in the power and joy of the oldest and most useful literary tradition is so that you don't get constantly ripped off, possibly by accident because they don't know it either, but more often by politicians, advertisers, loan officers, or any other charlatan who seeks to gain by dazzling you with complicated numbers. Even grocery stores, selling 5 items for $3, are taking advantage of a difficult fraction to make the price harder to judge. And fractions were invented 8,000 years ago, so it's not like you should wait for the upgrade first.

Fortunately, the essential skill - head math - is something many people learn for practical reasons anyway. What we usually think of as algebra is the written symbolic language for describing the breaking and recombining of numbers, but the breaking and recombining is the most useful part that everyone should learn for everyday life.

However, developing either helps the other. And algebra can also be done verbally, too!

The ability to untie or reverse a complicated calculation is surprisingly quite common - almost everyone can do algebra in that sense, but many don't know that they're doing it.

Algebra's best feature is that it allows us to talk about and then see the invisible.

When we can make judgements about a number even though we don't actually know it's size, we are performing the primary trick that has made people confuse mathematicians with magicians for thousands of years. Most people learn the essential imaginative leap as infants, and so can experience great difficulty as adults recognizing that it's not just a _choice_, but that there are also _options_.

Learning algebra means learning those options.

THANK YOU TOM M. !!!!!!!!! This is by far and away, the best answer to the question of "what is algebra." I have been asking this question since I was in 7th grade. I am now a retired school teacher. You have put my mind at ease. Thank you so very much be giving this question the time and thought it took to creatively put this out for the masses to read!

I asked myself the same question in high school. In real life, the following careers demand that you use algebra and math concepts that are like algebra in order to succeed. For example, in the manufacturing world of business, most business administrators will use algebraic concepts in order to explain complex issues going in the work place. I have taken said class in college and can verify that math, including algebra, is important to learn and understand.

The second career is in computer science. The more math you know in this field, the better success you will have. Many programs require that you use complex equations and functions in order for the computer to understand your list of commands. Algebra is the preliminary step to trigonometry which are both prerequisites for precalculus and calculus.

The above said are just two examples of careers that require math knowledge from many disciplines. If you choose either, you must know your math including algebra.

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