Common Core math problem with easy solution

[Pete]

Yep - common sense trumps common core.

So you are saying common sense = common core method? In your perfect SAT score gettin' exceling at math in grad school days they would have said the ONLY way to calculate the tip on a bill would be to: Ascertain the percentage of gratuity you wish to give (20). This becomes the dividend (20) with 100 the divisor. Ascertain the result as a decimal (.20). Multiply the sum of the bill $56.17 (multiplicand) by the result .20(Multiplier). 0000 ofset the next rowto the left. 4 with a 1 carry, 3, 2 with a 1 carry, 11. Add the 2 columns together maintaining column discipline. 112340 Count the number of positions to the right of the decimal point in the multiplier and multiplicand and apply a decimal point in the product counting from the right. 11.2340 Drop the zero as it has no value. $11.23

or

10% of $56.17 is 5.617 double it to get $11.23

 

[Pete]

So replacing one "one size fits all" with another one is the solution? How will the education business rationalize buying the next scheme?

No, I would say that is illogical, but I believe common core is flexible allowing several alternat paths to the solution instead of strict memorization.

 

[intertidal]

I suppose a large part of my skepticism is how these new schemes are sold to make massive profits for education consulting firms. In my world, when I publish a scientific paper (using statistical analyses to illustrate significant differences), that information becomes part of the public domain. Other researchers cite the work. Eventually, some of the most significant landmark papers (those cited over 500 times) make it to textbooks. My point is that I don't make a cent from it. If education is "for the kids", why is it so necessary for limited funds to be spent on the latest expensive schemes pushed by political appointees every few years when there is very little money left to trickle down to the level of the classroom?

 

[Pete]

I suppose a large part of my skepticism is how these new schemes are sold to make massive profits for education consulting firms. In my world, when I publish a scientific paper (using statistical analyses to illustrate significant differences), that information becomes part of the public domain. Other researchers cite the work. Eventually, some of the most significant landmark papers (those cited over 500 times) make it to textbooks. My point is that I don't make a cent from it. If education is "for the kids", why is it so necessary for limited funds to be spent on the latest expensive schemes pushed by political appointees every few years when there is very little money left to trickle down to the level of the classroom?

I agree totally, the Educational Indistrial Complex is full of those who are bantering to get their new "system" adapted. The EIC has as its #1 weapon emotion. All yu have to do is say "Don't you want the best for your kids?" and people would sign up for any retarded thing out of faux guilt that if they don't they don't love their kids. I happen to think that common core is not a bad thing.

 

[SG_Player1974]

Chicks dig smart guys, so I'd guess that displaying a knowledge of higher math is probably the only way some guys get laid. Women, alas, have to show skin and buy good beauty products in order to get laid. Not fair.

This has got to be one of the WORST generalizations I have heard in a month! I really hope you do NOT believe any of this and were drinking heavily when you posted it.

You win the internetz today for sure!

 

[vraiblonde]

This has got to be one of the WORST generalizations I have heard in a month! I really hope you do NOT believe any of this and were drinking heavily when you posted it.

You win the internetz today for sure!

Congratulations on finding Jesus

 

[intertidal]

I agree totally, the Educational Indistrial Complex is full of those who are bantering to get their new "system" adapted. The EIC has as its #1 weapon emotion. All yu have to do is say "Don't you want the best for your kids?" and people would sign up for any retarded thing out of faux guilt that if they don't they don't love their kids. I happen to think that common core is not a bad thing.

I hope the results prove you right.

 

[itsbob]

Kids seem to be having a hard enough time mastering 8+5=13. I'm not sure at what age they're introducing creative math and it's hard to tell based on the kid's handwriting since they no longer teach penmanship - that kid could be 27 - but it seems to me they should worry about the basics before they start getting into the abstract.

Regardless, mAlice is correct that parents need to be raising hell about this nonsense. I mean, they're not going to but they should.

Then the concept is lost on you.

There are people very good at math, and some that aren't. Those that are have taught themselves cheats, shortcuts and concepts OTHER than ROTE memorization. Common Core is trying to instill into kids at a VERY young age that there is more than one way to come to an answer, and there are many ways to solve a problem... like using addition to solve a subtraction problem.

The hope is most of the kids will find a concept, a cheat, or a shortcut that works for them and the type of brain and their style of thinking (not everyone thinks the same way, why should everyone be taught the same way) and in the end can use one of MANY concepts to solve a complex problem or even use a self developed concept to come to the correct answer.

Common core is confusing to parents, as parents aren't taught it, and don't get it. Can you solve a subtraction problem by using ONLY addition?

 

[itsbob]

I'd suggest the current method of teaching gives us MAYBE 10% of adults (my experience in college as an adult student says the number is WAAAAY lower) with a good or great math ability. I'm thinking with Common Core, and their methodolgy that number would easily double.

 

[Pete]

Then the concept is lost on you.

There are people very good at math, and some that aren't. Those that are have taught themselves cheats, shortcuts and concepts OTHER than ROTE memorization. Common Core is trying to instill into kids at a VERY young age that there is more than one way to come to an answer, and there are many ways to solve a problem... like using addition to solve a subtraction problem.

The hope is most of the kids will find a concept, a cheat, or a shortcut that works for them and the type of brain and their style of thinking (not everyone thinks the same way, why should everyone be taught the same way) and in the end can use one of MANY concepts to solve a complex problem or even use a self developed concept to come to the correct answer.

Common core is confusing to parents, as parents aren't taught it, and don't get it. Can you solve a subtraction problem by using ONLY addition?

Well said Doctor!

 

[vraiblonde]

Can you solve a subtraction problem by using ONLY addition?

Why would anyone want to do that?

That's a real question.

The US, with it's clearly inferior math abilities and lack of metric system, is a world technology leader and innovator. We have some of the most brilliant minds in the world right in this country, inventing things that benefit people and make a positive impact around the globe. So tell me why the method in which they learned is inferior?

You're right - that concept is lost on me.

 

[itsbob]

Why would anyone want to do that?

That's a real question.

The US, with it's clearly inferior math abilities and lack of metric system, is a world technology leader and innovator. We have some of the most brilliant minds in the world right in this country, inventing things that benefit people and make a positive impact around the globe. So tell me why the method in which they learned is inferior?

You're right - that concept is lost on me.

Like I said above.. those brilliant minds formulated their own problem solving skills.. their rote math memorization pretty much did absolutely nothing for them.. and those that didn't teach themselves those concepts, or formulated their own problem solving skills AREN'T leading the world in innovation, or solving world problems. Common core is trying to instill those thought processes, and those abilities into all of our kids.

Teaching simple math is the time to learn the concepts, and the problem solving skills.. and it's painful, but the benefits of it won't be seen until high school or college when they see an Algebra problem or a calculus problem as "HEY, we worked this concept out in 3rd grade!" Knowing 5 x 5 = 25 doesn't help at all when talking abstract values, and variables, besides that, who NEEDS to know 5 X 5 = 25?

Everyone has cell phones that have calulators, computers, laptops, and iPads.. ANYONE can access a computer to find 5X5... but try to solve a complex problem without knowing the HOW? Who cares what 5X5 is, I can find that on my phone.. Einstein even made a comment once. “Why should I memorize something when I know where to find it?”

 

[vraiblonde]

Common core is trying to instill those thought processes, and those abilities into all of our kids.

So is it your opinion that ALL kids can be math geniuses and technology innovators? That ALL children have equal ability and strengths, and all it takes is someone to teach them properly?

 

[Larry Gude]

I'd suggest the current method of teaching gives us MAYBE 10% of adults (my experience in college as an adult student says the number is WAAAAY lower) with a good or great math ability. I'm thinking with Common Core, and their methodolgy that number would easily double.

 

[Pete]

Like I said above.. those brilliant minds formulated their own problem solving skills.. their rote math memorization pretty much did absolutely nothing for them.. and those that didn't teach themselves those concepts, or formulated their own problem solving skills AREN'T leading the world in innovation, or solving world problems. Common core is trying to instill those thought processes, and those abilities into all of our kids.

Teaching simple math is the time to learn the concepts, and the problem solving skills.. and it's painful, but the benefits of it won't be seen until high school or college when they see an Algebra problem or a calculus problem as "HEY, we worked this concept out in 3rd grade!" Knowing 5 x 5 = 25 doesn't help at all when talking abstract values, and variables, besides that, who NEEDS to know 5 X 5 = 25?

Everyone has cell phones that have calulators, computers, laptops, and iPads.. ANYONE can access a computer to find 5X5... but try to solve a complex problem without knowing the HOW? Who cares what 5X5 is, I can find that on my phone.. Einstein even made a comment once. “Why should I memorize something when I know where to find it?”

Bill Gates wrote the code for DOS then Windows before anyone taught code writing. He used his own cognative thoughts to do it. Steve Jobs invented then revitalized Apple by thinking outside the box. If Warren Buffet followed the ROTE method for investing he would be #4,576,731 on the list of wealthiest investors.

Memorizing the same thing that guy over there is memorizing in the end will make it so both of you have the same answer......maybe. The crux of the failure is that the one who got the right answer will get 100%, the one who got the wrong answer will get 97% because the emphasis is in the method, not the correct answer which is ......retarded

 

[vraiblonde]

So is Common Core just about math, or are they going to start teaching English, History, Geography, and Science different as well?

 

[itsbob]

So is it your opinion that ALL kids can be math geniuses and technology innovators? That ALL children have equal ability and strengths, and all it takes is someone to teach them properly?

No, that's not what I said.. what I said is MAYBE 10% of our population is proficient at math now, BUT our number of highly proficiient, and "experts" will double from what it is now.. some people are just genetically stupid and no method is going to work for them.. but doubling the amount of Americans that can be considered proficient at high level math, or high level problem solving will be HUGE..

Our lack of proficient adults, or lack of proficient math students, is why our engineering schools, and math labs are FULL of foreign studenst.. we (the US) can't supply enough of our own students that are proficient enough to fill the college classrooms NOR fill the industries needs..

What we've been doing the last 200 years (as far as teaching math) isn't working.. so should we just keep doing it, and let the Middle Easterns and Far Easterners take all the high paying tech jobs, and the "Americans" will all take the living wage at McDonalds?

 

[Larry Gude]

So is Common Core just about math, or are they going to start teaching English, History, Geography, and Science different as well?

It is understanding from mind mine that results approach consider possible banana hybrid electric tickle encyclopedia orbit.

But, don't quote me on that...

 

[vraiblonde]

What we've been doing the last 200 years (as far as teaching math) isn't working..

How do you define "working"?

Again, we are crazy tech advanced in this country, far above most other countries. Japan probably has us beat but that's about it. What more do you want?

 

[DoWhat]

What more do you want?

Think outside the box.