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Posted By: amazedmom Subtraction concept at 2.5? - 10/22/09 09:31 PM
Ok, so now I don't know whats normal for a 2 and 1/2 year old and what's not since realizing DD is most likely HG+....

Today she decided to play Iguana....she does this by putting socks on her feet and then a sock on each hand to create claws....
She had a group of white socks out (5) and put two on her feet. then picke up one sock, turned around and put it back in the sock bin, then proceded to put on the remainig to socks on her hand.

I asked her why she put that sock back before putting on the last two and she responded "because I already had enough socks for 2 hands. I didn't need 3"

It kind of felt like a math concept to me, that she just didn't even realize that she was doing subtraction. She has been doing similar things with snacks....saying "I have 4 crackers" then eating one and saying "How many crackers do I have now?" and then answering herself "3".

Is this normal for a 2 and 1/2 year old. She has always been extreamly advanced verbally, over 3 years ahead....but I never thought she was much in math even though she was counting early, but since she has been doing a ton of enumeration, and took off counting by 10's the other day....now I am wondering what is normal math for a 2.5 year old to be doing?
Posted By: traceyqns Re: Subtraction concept at 2.5? - 10/22/09 10:01 PM
Well not my 2.6 year old who can't count to 3 yet.
Posted By: Dazed&Confuzed Re: Subtraction concept at 2.5? - 10/22/09 10:27 PM
My 6yr old did similar things when he had just turned 2 or a few months before. He's not been tested yet but I didn't think it was "average" at the time. I was changing his diaper, about 20months old, maybe 22months, and he had a cookie in his hand. He asked for another cookie. I asked him if I gave him another, how many would he have. He said, "2." I asked, what if I gave you two more cookies, how many would you have? He said 3. I said, what if I then gave you two more cookies, how many would you have and he said 5. I then said if you eat 1 cookie, how many would you have? He said 4. I asked if he then ate 2 of his cookies, how many would he have and he said 2. It was all done in his head w/out manipulatives.

Dazey
Posted By: HoosierMommy Re: Subtraction concept at 2.5? - 10/22/09 11:17 PM
DD3.5 did something similar to this at that age. She would say, "Daddy went to work. There's only one car left (in the garage)." Since I discovered DD was not typical intellectually, I figured this was not "normal." But I'm not sure what is normal!
Posted By: Jamie B Re: Subtraction concept at 2.5? - 10/22/09 11:18 PM
My HG son did this at 2 and I in no way think that it's normal. My very normal 5 year old step-son still has trouble counting to 20 if that puts it into any perspective.
Posted By: amazedmom Re: Subtraction concept at 2.5? - 10/23/09 12:55 AM
Thank you all. She has been was counting to 15 by 2, but I thought that was normal at the time LOL. This felt like just one of those wow things....guess it is. Need to go write it down in her book smile Thank you all so much.

As DH just said to me. It would be nice to spend sometime with some ND 2 year olds and see how much what she is doing really differs. She and I do once a week at homeschool co-op with 2 and 3 year olds and there is definitly a huge gap knowledge wise, with DD knowing all her colors, shapes, numbers, letters, counting, and in her sentence structure. Which has definitly woken me up to her developmental speed which I was in denial of even when I was told by 2 peds that she was cognitively on a 5 year old level. But Anyway, denial is starting to fade....now I am wow, and freaked a bit LOL
Posted By: Wyldkat Re: Subtraction concept at 2.5? - 10/23/09 02:21 AM
Bear and Wolf both do/did things like that. Wolf was doing math on his own (addition and subtraction up to 10) when he was three and four years old. That's what made me realize we might be dealing with something beyond the norm...

To put it in perspective:

Kindergarten students in our area are expected to be able to count to 20 by the end of K, possibly some VERY basic addition.

Most children by the age of 3 are supposed to be able to COUNT to 5 or possibly 10 (generally this means rote counting, possibly numerical understanding.) Math doesn't enter into the equation at all.

Oh and the feeling freaked seems to be pretty normal. I went through it and I know a lot of other people on this board have talked about it.
Posted By: amazedmom Re: Subtraction concept at 2.5? - 10/25/09 02:57 AM
Originally Posted by Wyldkat
Bear and Wolf both do/did things like that. Wolf was doing math on his own (addition and subtraction up to 10) when he was three and four years old. That's what made me realize we might be dealing with something beyond the norm...

To put it in perspective:

Kindergarten students in our area are expected to be able to count to 20 by the end of K, possibly some VERY basic addition.

Most children by the age of 3 are supposed to be able to COUNT to 5 or possibly 10 (generally this means rote counting, possibly numerical understanding.) Math doesn't enter into the equation at all.

Oh and the feeling freaked seems to be pretty normal. I went through it and I know a lot of other people on this board have talked about it.

Wow, it is hard to wrap my head around that although it is pretty much wht I eep hearing and why DH and I have decided she will be homeschooled for at least K if we are living here still as there is no early enterence and she would be 5.6 before she could enter and they have no gifted program and will not accelerate frown Still hard to wrap my head around

Today dad and I bought her a set of dinosours (which she is really into, that and anything space) well this evening Dad asked her "Didn't you have 5 dinos?" She had 3 she was playing with at the moment. She said "yes, and then walked over and picked up one that was on the floor thus having 4 and said "where's my other one" Knowing that she had 3+1=4 and she needed one more to equal 5. DH was relly surprised that she grasped that.
Posted By: Katelyn'sM om Re: Subtraction concept at 2.5? - 10/25/09 03:45 AM
I have been in your shoes with the guessing game of what is normal range. When my DD was 2 weeks old and had completed the milestones of a 3 month old I concluded that the milestones were set so low for children that are borderline. I never considered it was my child that was off the charts. :P It wasn't until DD was turning 2 yrs that I came out of my denial.

Also in reference to the verbal strength and all of a sudden focusing in on numbers and math concepts... JMHO but I see pockets of interests and intensity. They get focused on something and that skill soars, be it math or science or whatever. We have had days of only interested in math with adding and subtraction, as well as fractions. When she is in this mode she hardly opens a book. Reading falls to the side. But she refocuses and is back into reading and words. I also have seen sliding in areas that are not of great interest at the moment. DD has known her letters since 9 mths and the sounds each letter makes since 15 months but when she is in math mode she can forget the sounds or just doesn't really care to answer the question. But when in her reading mode she is intense. If that makes sense. Just wanted to share that as you progress in case your DD slides ... I find it normal and further shows the intensity these kids have when something interests them.
Posted By: Polly Re: Subtraction concept at 2.5? - 10/25/09 04:12 AM
I think it may have been someone on this website who recommended looking at the pbs website to see detailed lists of what's "normal" math skills.
http://www.pbs.org/parents/childdevelopmenttracker/two/mathematics.html

Sure doesn't seem "normal" to me but what do I know.

My DS2.4 is not doing much mathy stuff yet though rote counting under 100 seems easy for him and reading/recognizing numbers below 1000 also. Can add by ones under 10, but not subtract, and thinking about plus 2 or 3 seems to turn on his guessomator. Is able to one to one count but doesn't seem to have the patience for it, likes to guess.

Polly
Posted By: Skylersmommy Re: Subtraction concept at 2.5? - 10/25/09 05:27 AM
When DD6 was 18 months old we were playing with some crayons on the floor , I asked her how many crayons did she have in her hand she said "8" I looked at her hand, she had 9 so I asked her again "how many crayons do you have"? she hid one behind her back and said "8". Good thing I was sitting on the floor, because I was about 8 or 9 months pregnant at the time smile She also was rote counting to 100 before 2yrs.
Posted By: Mam Re: Subtraction concept at 2.5? - 10/25/09 02:43 PM
Amanda. Those are fun things your Dd is doing! What I want to say, from my perspective of a math person, is that I don't see the socks/eating examples on the first post as subtraction. What I see is that she has the one-on-one correspondence very well mastered. She probably could mentally match the socks with her limbs and see that she had an extra one. I don't think it shows that she did 5-4. In any case, that very strong concept of correspondence does show to me strong math abilities.

Both my dds were not early counters, but my oldest always showed very clear understanding of concepts. She could add/subtract numbers to 10 (when she could count to 10), and higher when she got the rote counting down. FWIW, the oldest dd was just tested (IQ/achievement) and she did really well in math (99.8 percentile, just one point shy of YSP requirements, which she got in the other areas).

Anyway, what I learned from her is that those strong comprehension of math concepts and ability to manipulate the numbers were what was different. Kids that could count higher than she did when she was younger turned out not to be smarter or further ahead in math than she is. Oh, and just to clarify, it could have been that the early counters we know IRL would have been HG but they were not, some are MG and some are not.


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