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[quote=Anonymous][quote=Anonymous][quote=Anonymous]

I hate to think of them as old and new math.   [b]Think of the "new math" 2.0 as the "explanation in English of how problems are solved".[/b]

So, do the normal traditional math.  In most of the textbooks, you will see that they explain the same concept in multiple ways -  Pictures, diagrams, word problems, step by step process.  After you are done with a lesson or unit, ask your child to write a two line explanation of how they arrived at the solution of the problem.  All the tests, MAP, SAT, higher level Math, Math competitions - every thing is based on the old way of doing Math.   Besides, if your kid is doing old Math and acing the tests, the teachers don't care.  They are only worried about the kids who are failing.

I used Houghton Mifflin - https://www.amazon.com/gp/offer-listing/0618590919/ref=tmm_pap_used_olp_sr?ie=UTF8&condition=used&qid=1523032497&sr=1-4  for the elementary grades, but I remember buying them second hand for less then $5 each.  In fact they were so awesome, that I even used to buy them for my relative's kids in another country and mail them.

Take a textbook. Do all the exercises.  Read all the explanation all the texts with your child. Go in the sequence as it is written, because there is logic that the authors follow in writing textbooks and knowledge is built upon mastery of previous concepts.

[/quote]

That's incorrect and misleading.[/quote]

Not really. It may be very simplistic and a very rudimentary explanation, and it may not capture the nuance, intent and the scope of 2.0 Math - but in reality, there were not many teachers who were able to do more than this in their classroom.  I say this as a classroom parent volunteer for Math throughout elementary school.  Maybe teachers were not trained to teach, maybe they were themselves confused.  But now, since they are abandoning 2.0, it is more important than ever to actually know how to do Math.

This is an example of 2.0 Math for grade 1.

https://www.mathworksheetsland.com/1/addanssubwordproblems/lesson.pdf

But if kids were not proficient with counting, then they cannot do this addition.  So, someone needed to teach them how to count.

Having kids learn Math the traditional way ( or any other way) so that they are able to solve mathematical problems, understand how and why numbers are being manipulated, how to use Math to solve real world problem, in an efficient and mathematical way is key to success.  In other words, people need to know why, how and when to add, and they need to know the steps of doing so too (paper, abacus, calculator). [/quote]

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