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newangelic
newangelic asks:
Q:

how can I help my fifth grader with beginning algebra

my fifth grader is having trouble understanding beginning algebra, I am trying to help her but I'm not understanding some of the problems is there a site that will teach me the break down of understanding the x of solving problem's
In Topics: Helping my child with math
> 60 days ago

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Aquarians
Aquarians writes:
You can help your fifth grader in beginning algebra by discussing it slowly and properly so that he can understand
> 60 days ago

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Apocolyptus
Apocolyptus , Teacher writes:
Take the example that 5 = 5

Understanding beginning algebra is that whatever you do to One side, you MUST do to the other. Notice that this is a TRUE statement, because 5 does equal 5. It must always stay true.

So if I add 3 to the right side (5 = 5 + 3) now the equation reads
(5 = 8)

But for this to stay true, the left side needs to also add 3.

(3 + 5 = 8)

Is now

(8 = 8) Which is true.



Now. With variables:

X - 4 = 10. What is X?

You want to get X by itself. So you add 4 to each side, to make that -4 a zero.

X - 4 + 4 = 10 + 4

X = 14

This is using inverse operations.

Please make sure to always check your answer. Checking consists of taking your X = 14 and plugging in 14 to your original question above:
14 - 4 = 10
14 - 4 = 10
10 = 10 True! This statement is true!

Please note that this would NOT be X + 0 = 14. X + 0 will always = X. Here we have to pretend that X is not an alphabetical letter, it's a variable, which is related to a number.



Let's try this. X = 7.
X - 10 + 5 = 1

Here, you just plug-in What is X.

So: X = 7
7 - 10 + 5 = 1
7 - 10 = -3
-3 + 5 = 2
2 = 1?

False! This statement is not true!




Google is your friend here.

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