How to improve at mathematical word problems
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How to improve at mathematical word problems

[From: ] [author: ] [Date: 12-06-17] [Hit: ]
I cant survive math class without knowing how to do them. How can I not get distracted by all of the details and focus on the important things?-Name your variables first. Then look for sentences that describe how those variables are related.For a simple example: Amy, Bruce and Carla buy 28 books,......
Does anyone have any advice for approaching word problems in math? Some word problems I can handle, but others, I have no clue. I need to improve my word problems skills, because the SAT and ACT are killing me with them; moreover, I can't survive math class without knowing how to do them. How can I not get distracted by all of the details and focus on the important things?

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Name your variables first. Then look for sentences that describe how those variables are related.

For a simple example: Amy, Bruce and Carla buy 28 books,.

You'd write the equation like this:

A + B + C = 28

If Amy bought twice as many as Bruce did, add a second equation:

A = 2B

If Carla bought the same number as Bruce did, add a third equation:

C = B

You need to get these three equation with three variables down to one equation that has only one variable. Use the second and third equations to replace A and C in the first equation:

A + B + C = 28

becomes

2B + B + B = 28

Simplify:

4B = 28

Divide by 4:

B = 7

Bruce and Carla bought 7 books each. Amy bought 14.
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