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"Why Math is Important in our Lives" - Things to Explain to Kids Who Ask

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By Lisa HW



The question of why math is important usually arises when children have learned how to count, add, substract, multiply, and divide; and they come to believe they know all they need to know to function adequately in life. After all, if one understands how to keep track of his own money, figure out what it means when a scale shows two additional pounds, or cut a cake so there'll be enough pieces for everyone, what else do we need to know?

The littlest children who don't like math can usually understand the explanation that knowing how to handle money, telling time, cooking, sharing things, or knowing how many of any item will be left if some are used, all require knowing math. Younger children can usually understand why it's important to know how to measure how tall something is or how heavy it is, and they can usually understand how doing things like wallpapering or hanging window shades call for knowing how to measure.

What's not as easy for children of any age, but particularly as kids get older and the math gets more advanced, is to understand how algebra-based math factors into our lives if we are not (or don't plan to have) careers in math-related fields. Once math starts to seem less "number-ish" and more "algebra-ish" it can start to appear a little more "useless" to kids who aren't math-inclined.

When it comes to algebra-related math, it is, of course, easy for kids to understand that there are jobs and careers where knowledge of advanced math is crucial. In science-related jobs (which include the field of medicine) or math-related jobs it is important to have that solid knowledge of math. Gaining that solid knowledge starts with the learning the most basic aspects of math and building on it. Since many students don't know what they'll want to do when they grow up, it makes sense for them to get a foundation in math which will prepare them for college or work, if it turns out they choose a future that will call for knowing advanced math.

For those who know - without a doubt - that their future does not include a career in a math- or science-related field, there are still some after-high-school courses or jobs that call for at least some use of math. For example, some clerical or retail jobs may still require the use of math; and while, these days, most people rely on electronic means to get basic math calculations done, there can still be times when a person's knowledge of math is required.

Besides the possibility of needing math in an otherwise "non-math" job, the person who has a foundation in basic algebra has learned a way to solve problems that are not necessarily math problems. Algebra is a way to put "labels" on different aspects of a problem, and use a logical approach to see likely outcomes or solutions. Algebra is a way to "turn anything in life into a math problem" and see an organized, structured, way to think about that problem (sometimes without any numbers even being involved).

For example, if I'm trying to figure out how much of my pay I need to put away to buy a prom dress in five months, but my part-time job means working a different number of hours each week, and I'm not sure how much the dress will cost; I could either guess about a "zillion" different amounts of money I'll make each week, over the next five months; and then guess about all the possible prices of prom dresses; and then do a "zillion" different little calculations about all the possible scenarios. If I do that I'll be looking at pages and pages of a whole bunch of different scenarios, and I still won't have my answer.

If I know algebra, I can use it to come up with a formula that will show me how the percentage of pay that I put away each week will have to change (and how much), depending how what I've already earned and how much time is left.

Beyond that, though, a person could also use the logic of the "labels" and formulas that algebra offers to help them decide something like whether or not to go to a certain college or leave a marriage.

Our brains have the ability to think logically, but if we don't learn "the language of logic" our brains don't have those "labels" to put on "invisible concepts". A comparison is this: Our bodies have the potential to tap dance or perform ballet, but if we don't take dancing lessons we will either not know how to dance properly or all, or we'll learn a superficial way to dance that won't allow us to move beyond that to a more advanced level. Thinking logically is the same kind of thing, and in order to move beyond "basic logical thinking" on to a more advanced level of thinking logically, we need to learn the steps. Every person in the world benefits from having an ability to think more logically, whether or not he will ever become a mathematician.

Not only do people, who have learned at least basic algebra, use it to solve problems; but they will also understand when others refer to its principles or to their own approach to a problem, in conversation. The problem with algebra is that nobody understands its use until they understand algebra, itself. Once someone has learned algebra he will use it solve problems and wonder how he ever lived without it. I suppose it's kind of like a person who learns to dance but thinks she will become a chemist when she grows up. She may not quite know how she''ll ever use that dancing ability, but one day she may find herself in a community theatre production where a dancer is needed, or teaching someone else to dance, or using dance as a way to exercise.

While algebra-related math leans to "higher thinking", geometry-related math is a more "Earthly" math. Although there are professions/jobs that rely heavily on a solid, advanced, understanding of geometry, like algebra, having at least a basic knowledge of it is something that is useful in "regular" life, as well. People who do woodworking as a hobby use geometry, but the person who learning exercises for fitness or dance steps may be told that their arm should be at a specific angle. Knowing what that means requires knowing geometry too. Having a basic understanding of things like shapes, angles, lines, depth, or volume is something that (although we may not use this knowledge every day in our lives) allows us to function in a world that generally expects at least a basic understanding of these things. Whether we are hearing the explanation of how a plane crashed, or following assembly instructions for something we've purchased, that very basic knowledge of geometry lets us be "on the same page" as the rest of the "non-math" world.

If you got a group of eighteen-year-olds together, they may talk about something like world events or the presidential election; but they may also talk about their own "world" of the latest fashions, music, friends, and school-related things. The 55-year-old person may be at a complete loss to have anything to offer, or to understand, what all those younger people were talking about. Those young people would have their own interests and even language, and they would have knowledge about things like the latest recording artist that other people may not have.

The grown-up world that includes a whole range of people over a certain age (living their lives, cooking, working, having hobbies, managing money, planning, etc.) has its own language too; and that language often includes references to, or the need to understand, at least a basic level of math (including algebra and geometry). There are a lot of things that people in the grown-up world run into that they wouldn't have realized they would when they were younger. Math isn't just about whether we work in a math- or science- related field. It's about understanding the world around us and functioning in it.

When we learn how to do the most basic math calculations when we're in the lower, primary, grades we may build on that knowledge and eventually become wizards in the field of finance. Then again, we may only use what we learn to calculate our grocery bill or figure out how much we've lost in the stock market. When we learn the aspects of math that are related to algebra and geometry it's the same kind of thing. We may build on that knowledge, or we may simply use what we learn at the basic level when we're called upon to use it in day-to-day living.

There are also times when we don't plan to take a job in math, but we find ourselves faced with a possible promotion to a different job, based on whether or not we have basic knowledge of math.

Words are, of course, useful in this world; but words can only be used to accomplish some kinds of things. Words help us paint a picture of the world, but numbers and math give us the tools we need to understand how the the world and the universe work. For students who are naturally inclined to enjoy, and be good at, math, the understanding of math's place in the world comes naturally. When students are more inclinded toward verbal skills and/or the arts, their interests and hobbies often are not activities that involve math. As a result, they can live their lives as students, never quite seeing the "use" of math for anyone who doesn't plan to build a career on it.

What makes the situation more difficult is that students who don't particularly care about math often don't pay much attention in class or else don't learn it very easily. With math, the better an understanding a student has of how "all of math fits together", the more readily its use will become apparent.

As a kid, I didn't have any particular problems learning math, but verbal areas were "my thing". Math, for me, was the first homework to go when I didn't plan to do all my homework - and even when I did. Even with that, I did well enough on the math SAT's. What I eventually discovered, however, was that once I moved out of that youthful world of being a student and kid; and moved into the grown-up world of working, having children, managing finances, keeping a home, and planning for our futures, I discovered - much to my surprise - that I actually used the math I had learned and had never believed I would.

Even more to my surprise, I discovered that I had never really seen the larger picture when it came to math. Once I was grown-up I realized that math wasn't just a subject in school, and a bunch of little pieces of information or tricks to learn that didn't relate to one another. As an adult, I came to see that all those little "pieces" of math we learn in school are like puzzles pieces; and when we grow up, at least some of us can see how all those pieces fit together and create one, big, sensible, picture that helps us understand, and function in, the world.

(Note: By the way, to all those girls who like English better than math, do you know that you can use algebra to figure out things related to the patterns of your reproductive cycle? People who have learned algebra often find it comes handy with family planning later. Who would have thought it?)

Encouraging Girls to Achieve in Math


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Hein Marais profile image

Hein Marais  says:
17 months ago

Great Hub. Keep on creating

Alwahsh  says:
13 months ago

good article , thanks

yasser  says:
9 months ago

it did not explain anything abt why maths is needed in our lives.

so it was useless reading.

pathetic article

Lisa HW profile image

Lisa HW  says:
9 months ago

Maybe it is useless reading, but I thought it pointed out (but maybe didn't paint a clear enough picture for some) that math is used in adult life both to solve "number" problems and to give us the "thinking tools" to use logical in "regular"/non-math aspects of life.

I gave a quick thought to why someone would find this hub useless and came up with two likely reasons. The first is that I could perhaps have done a better job painting a clearer picture, rather than assuming any readers would see the individual ideas and put the picture together for themselves. I suppose I approached things as I did because I was aiming at secondary-school students, rather than younger ones. I didn't want to "talk down" to adolescents or teens if they read the thing. Also, I didn't want to re-create what their past teachers may have tried to explain with no luck, either because a student just had too much trouble understanding or because the teacher hadn't thought of a unique way to successfully help the student see the use of math.

Another reason someone may find this hub useless could be that there are three types of people: 1. "Math people" who aren't very skilled at reading/writing or using skills generally associated with the "verbal side of the brain". 2. "Verbal people" who are very skilled with language but have real trouble with skills associated with the "math side of the brain". 3. People who skilled, in varying degrees, at using both the "math side" and "verbal side" of the brain. There are all different cognitive skills, and people can have a mix of of how well they do with any or all the different cognitive abilities.

If a "math person" read this hub s/he would probably be looking for a different approach to writing, and may not be looking for writing that was less specific but more aimed at bridging the gap in perceived purposes for math. (My approach may have been unsuccessful, but that was my reasoning for it.)

If a "hopelessly math-averse "verbal person"/hard-core hater-of-math read the hub, s/he may be so unfamiliar with the kind of thinking math helps us to use once we're grown up; s/he would be someone who would very likely keep having trouble understanding the whole point of math until s/he got older and saw for him/herself. Also, however, some people may never quite see the point of math, no matter how old they get.

Describing exactly how math gives us a whole different way of thinking (even if we're not thinking about our checkbooks or profits in a business) is difficult; and that's probably why so many students so often have trouble understanding that. On the other hand, it isn't enough to tell students, "You'll use it to manage your bank account" or "manage your business". Here's the new "old" answer to those points, "My computer has a calculator in it, so I won't use it for that," and "I'll just hire someone for any business I ever have (and I don't plan to have a business anyway)".

Many students who don't have the benefit of having their "math-associated" thinking skills be particularly advanced (maybe simply because of their age, or maybe, too, because young people can be more prone to emotions that can affect that kind of thinking) could be said to be "trying to get blood out of stone" if they try understand the ways math can help us think in ways that are different from the ways that often most come naturally to us.

Thats why so many adults often just tell young people, "You don't have to know how you'll use it. Learn it now and see how you use it later." Maybe people should just say, "Learning math helps build your brain in general." Saying that, without explaining the kinds of things I tried to explain (even if I failed to adequately do that for some reason) would not, however, answer the question about why we need to learn math; because the next question would have been, "but how does it help us build our brains".

I tried to use an "everyday language" approach in addressing this subject; but I'm under no illusions that my approach will be useful for every reader.

Felix Xaver  says:
9 months ago

sorry about that last comment my actual name is felix xaver

Keith  says:
8 months ago

Very interesting read. I am a math tutor and I commonly find my students complaining that there is no reason they should have to know or learn these things and that they will never need to know these things later in life. My answers tend to be similar to yours, but I have not been as good at articulating them and this article should help. Still, I wish that I could have more concrete examples for how it is helpful to learn math.

Lisa HW profile image

Lisa HW  says:
8 months ago

Keith, thanks. That "concrete" example thing is, I think, everyone's biggest challenge in explaining to kids. It's easy to point out how, if they don't know "day-to-day" math they'll run into problems with things like checkbooks, sales, salaries, or whatever other "day-to-day" uses there are for math. The Algebra/Geometry thing can be more difficult when they know they aren't headed for professions that focus on those things.

I think Geometry is pretty much something everyone does use, even if they don't call it that. Maybe the simplest and most common example of how we refer to Geometry in day-to-day conversation is when someone is telling someone else how to do something and says something like, "Hold it at a 45 degree angle". It isn't exactly using Geometry, but I wonder if kids are told something like, "Geometry, besides actual applications, is another type of language that is in used by everyone in life; so, if nothing else, just learning what these terms mean will give you the knowledge that most other people have," whether that would punch holes in the "I-don't-need-to-know-this" argument/belief.

My personal use of Algebra (in a day-to-day, non-math-job-related, way) is in being able to form a picture of, or see the process by which, I can approach (or get a reading on) any life problem that is not particularly math-related or not math-related at all.

One example might be this: If I'm going to have a party and invite x number of vegetarians, and x number of non-vegetarians; I may to need adjust the ingredients of dishes according to how many of each group are going to come. There may be several dishes planned, with several different combinations of ingredients in each. If I don't yet know how many people of each group are coming, but I still want to plan a shopping list; I may use Algebra to create basic equations that will give me a "framework" for the meal planning, even if it does not - at the immediate point in planning - give me exact amounts of each ingredient. It's more complex than there's room to detail here, of course; but suppose there were ingredients that would be going in several dishes, but not necessarily all dish; while there would also be ingredients going only in individual dishes. That "framework" could offer a way to plan, even without the exact numbers of different people in each group.

Equations could also be used to know my minimum grocery bill and maximum grocery bill, while painting a clear picture of approximate expenses based on very simple variations in numbers of guests.

Another even "less math-y" use might be in deciding whether to take a vacation in June or July, and turning things like the "pros", "cons", and/or other factors that would influence the decision into an equation. Assigning "non-number" factors letters, and turning the problem into an equation can give that reading/framework that would show something like how much the weather or the amount of money to spend at any given time would impact the vacation. Again, I know I'm not giving details; but it's 3:30 a.m., and there's only so much space here. You must know what I mean, though. I guess my approach to trying to explain to kids would be telling that that there are ways to approach problems/decisions through logic, and that Algebra will give them the language/tools they need to use that logic. We can't perform ballet if we haven't learned the "moves", and we can't play a song on a musical instrument if we haven't learned the "move" - Algebra is a matter of "learning the moves" in solving problems with logic. It can put any problem, not just a math problem, into some order that allows us to see that "picture of the problem" and "process by which the whole picture may change" . Besides all that, Algebra, too, is a language that most people use. If nothing else, kids need to realize that a lot of references get made in day-to-day life; and it doesn't hurt to know what people are talking about. How often do we hear someone say something like, "The problem of heart disease incidents among women increases exponentially when.....". Someone who had not learned that one, simple, little, thing would not have a real picture of what the person meant by saying that one, simple, thing.

WeddingConsultant profile image

WeddingConsultant  says:
8 months ago

Math was absolutely my favorite subject growing up, despite all my friends hating it. Math is quite important, as you said in the above comment, for everyday use- checkbooks, calculating calories, salaries, etc.

EMILY  says:
3 months ago

I HATE IT WHO EVER WROTE IT BUT I LIKE MATH

Lisa HW profile image

Lisa HW  says:
3 months ago

EMILY, GOOD TO KNOW.

lani  says:
2 months ago

what a nice answers 2 my very own questions

Lisa HW profile image

Lisa HW  says:
2 months ago

lani, thanks.

empeen  says:
2 months ago

It is good post.It really explains importance of math and its difficulties in lower class. thank you

Lisa HW profile image

Lisa HW  says:
2 months ago

empeen, thanks.

meha  says:
2 months ago

that was friggin stu[id

Lisa HW profile image

Lisa HW  says:
2 months ago

meha, lots of things and people are stupid; and what/who any of us thinks is stupid just depends on our own definition of what "stupid" is.

I'm sure there are others who will share the opinion you've expressed in somewhat less than eloquent, less than well typed, remark. By the way, I believe the word is spelled, "frigging" - not "friggin". It's an easy spelling mistake, though, if you travel in circles where people don't pronounce their words correctly.

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