Please choose a slide from today's class and leave a comment behind explaining why a fraction is larger than another.
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6 comments:
Ill comment on slide 2. 1/2 - 7/12
I say that 7/12 would be bigger because if you would find half of 12 would be 6 so HALF would be 6/12 so 6/12 = 1/2 but since its 7/12 theres 1/12 left over. Thats why 7/12 is bigger.
I guess no one really knew about this one o_o only natheniel commented so far . . .
well i chooooose slide 7 i think
7/8 and 9/10
Well, I say 9/10 is larger becuase it has a smaller amount left over. Like, both numbers a 1 piece away from becoming whole, but since the denominator on 9/10 is larger, it makes the pieces smaller. So thats why i think 9/10 is larger!
I hope other people recognize this is here or they might not get it done . . .
SeeYa tomorrow.
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デイヴィッドのhuynh は:3 退屈する
ill comment on the first slide (the 4/7 vs. 6/7 one)
The denominator shows that each from is split up into equal pieces. Because we know that, we can just compare the numerator. 6/7>4/7 becasue there are more equal pieces
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IKAW AY ITLOG (you are an egg)
Imma comment on slide 9, 1/2 and 2/5
There are 2 ways why 1/2 is bigger than 2/5.
The simplest way is that half of 5 is 2.5 and half of 2 is 1. but for 2/5 the numerator is 2, not 2.5 so it isn't at the half but below it making 1/2 bigger.
The second way you can calculate which one of the fractions are bigger is if you multiplied them to a common multiple, like 10.
So for 1/2 you would go :
1 x 5 = 5
---------------
2 x 5 = 10
*Note* What multiplication u do to da numerator or denominator, u do to the opposite one. In this case for the denominator, so you do the same multiplication to the numerator.
For the second fraction, 2/5, you must multiply by 2 to get to 10 - like so :
2 x 2 = 4
-----------------
5 x 2 = 10
The rule is if the denominator is the same, you compare the numerators, and vice versa.
5/10 (1/2) and 4/10 (2/5)
2 easy ways to compare numbers less than 10 is 1. to go back to kindergarten and 2. To subtract the 2 numbers and if the difference is a positive number (higher than 0) then it is larger. If it is lower, then the opposite number is larger :P.
5 - 4 = 1
--------------------
10 10 10
5/10 (1/2) is larger than 4/10 (2/5) by 1/10.
Whoa I thought this was the one for Thursday.
I'll do slide 5(5/6 and 6/5)
6/5> 5/6
6/5 is bigger since it's a higher number than the denominator which makes it more than a whole or more than 1. Since it's more than 1 it automatically makes it more than 5/6 since 5/6 isn't a whole yet it's still part of a whole. You can also tell it's bigger because when you have an improper fraction it is more likely to be bigger than a proper fraction.
Another way you can find out chich ones bigger is by dividing the numerator by the denominator.
5 divided by 6= 0.83(3 repeating)
6 divided by 5= 1.2
See what I mean when you have an inproper fraction it will be over 1.
Whoa good thing I didn't make a book again. That's too much for one day.
Peace Out!
&
Happy Thanksgiving!
Again
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