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Re: 教寶寶數學-圓點卡, pls. help!!!
I think teaching maths is useful therefore I also read the book 如何教寶寶數學.
I agree that we can show some dot cards to them and teach them the formula "+" & "-". It can be understood.
However, I disagree with their suggested method of teaching "x" & "/".
According to their method, we only need to show them cards and read aloud, for example:
(2 dots) x (3 dots) = (6 dots)
(8 dots) / (2 dots) = (4 dots)
The problem is only by showing cards, there's no explanation at all. So how can the child understand the concept (or logic) behind, which is:
2 dots exist 3 times therefore equal to 6
8 dots divided into 2 parts therefore each group is 4.
If we don't explain, how can baby know.
As a result, I think it will only confuse my baby on the very first concept on maths:
(2 dots) + (3 dots) = (5 dots) - this is easy to be understood
but not
(2 dots) x (3 dots) = (6 dots)
Furthermore, if we show them 2 cards, 1 & 79, and we ask babies to choose which one is 79, they will of couse pick the 79 dots under comparison.
But if we just give them only a card 79 dots. I don't think they will tell you correctly that is 79 as it claimed that babies can tell in a glance but not adults.
According to Glenn Doman, we shouldn't test them.
I don't worry of teaching my baby less, but I worry if I teach my baby "wrong".
If I teach wrong, it will take long time to rectify their very first concept on maths.
Therefore, I think I will try to show the card 1- 100 dots and only "+" & "-" at the very first stage.
But definitely not "x" & "/" in a formula way.
Welcome for more discussion.
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