KittyNoir:
A student solved this problem and said the answer was hours. Tom worked on his history project for hours. He then worked on his math homework for hours. How long did Tom work altogether? Is the student's answer reasonable? A. Yes, the answer is reasonable. B. No, the answer is not reasonable. It should be about 3 hours. C. No, the answer is not reasonable. It should be about 5 hours. D. No, the answer is not reasonable. It should be about 10 hours.
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KittyNoir:
@callielovesyhuu
KittyNoir:
@rootbeer003
KittyNoir:
@Ultrilliam
KittyNoir:
@Hero
KittyNoir:
@Aeon
KittyNoir:
@Pandora
Hero:
There seems to be some numbers missing from the problem.
KittyNoir:
|dw:1494029845365:dw|
KittyNoir:
hold on
KittyNoir:
A student solved this problem and said the answer was 1 1/2 hours. Tom worked on his history project for 3 1/3 hours. He then worked on his math homework for 1 5/6 hours. How long did Tom work altogether? Is the student's answer reasonable? A. Yes, the answer is reasonable. B. No, the answer is not reasonable. It should be about 3 hours. C. No, the answer is not reasonable. It should be about 5 hours. D. No, the answer is not reasonable. It should be about 10 hours.
KittyNoir:
Here
Hero:
Do you have any thoughts about this particular problem?
KittyNoir:
|dw:1494030224863:dw| Think so I think it is a or d
Hero:
Ultimately, what is the question asking us to do from a computational standpoint?
KittyNoir:
It's asking us to see if Tom's answer is reasonable
Hero:
And how would one know if Tom's answer is reasonable or not?
KittyNoir:
Do the math, I am just confused which math to do Divide subtract add or multiply
Hero:
Suppose you worked in a garden for 2 hours, then worked in a store for 3 hours. How many hours did you work altogether?
KittyNoir:
5 hours
Hero:
Exactly.
KittyNoir:
So what word tells me it would be multiplacation
Hero:
I just gave you a huge hint on what operation to use for this.
KittyNoir:
ALTOGETHER!!!!! ADD right
Hero:
Exactly
KittyNoir:
ok one moment
Hero:
But what two numbers will you be adding?
KittyNoir:
3 1/3 and 1 5/6
Hero:
Very good. BTW, It's better to write those numbers as 3 + 1/3 and 1 + 5/6 In this way, it is easy to know that we must add the whole numbers first then the fractions: 3 + 1/3 + 1 + 5/6 Which equals 3 + 1 + 1/3 + 5/6 I'll let you continue adding from here.
KittyNoir:
ok one moment
KittyNoir:
is the answer 5 1/6
KittyNoir:
?
Hero:
Yes, so which of the answer choices closely represents that answer?
KittyNoir:
one sec
KittyNoir:
C?
Hero:
Yes correct. Good thing you did not "over-think" this one.
KittyNoir:
lol yeah thx
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