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pintosmom pintosmom is offline
 
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Fractions
Old 12-13-2009, 11:33 AM
 
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I just graded my kids fractions test and half of my class failed!!! They have done very well in math this year, so obviously something wrong. My kids seem to always have a tough time with fractions every year. They are expected to find equivalent fractions, simplest form, mixed number improper fractions, etc.

Are any of you experiencing the same problem?

Does anyone have any tips?

I use EnVision math by the way.


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DoxieTeacher DoxieTeacher is offline
 
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Old 12-13-2009, 04:55 PM
 
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I use Envision also, and hate it. It does not teach in-depth enough. I just reviewed with my old Scott Foresman text. Finding common denominators and simplifying isn't really a 4th grade standard. I took my high group, showed them, and left it for next year for the rest. I also let them use the fraction manipulatives for equivalent fractions (aside from my high group). I think it is important that they understand mixed to improper and improper to mixed, so I stressed that.
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vanishmael vanishmael is offline
 
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Fractions
Old 12-13-2009, 05:06 PM
 
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I found that Hands on Math is a very good book to use to teach most math. kl
Good Luck!!!
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gingerg49 gingerg49 is offline
 
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Old 12-13-2009, 06:22 PM
 
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I am using EnVision for the first time this year. We haven't gotten to fractions yet, but this is probably the most difficult unit we encounter all year. Good luck.
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teach4life2 teach4life2 is offline
 
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cross multiplying
Old 12-14-2009, 04:44 PM
 
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Have you taught them how to cross multiply to check if two fractions are equivalent? We call it the "butterfly method." After teaching equivalent fractions with fractions strips, we move to cross multiplying. My students generally always grasp this way pretty easily. You can also use cross multiplying to compare and order fractions.

For mixed number and improper fractions, I used pattern blocks with the yellow hexagon representing one whole. I ask them how many red trapezoids would it take to make a whole? (2) Then I asked themt to take 3 red trapezoids and see what fraction they came up with. Then I could point out that with 4 trapezoids they had 1 1/2 and 3/2. We did this several times with the blue rhombuses and the green triangles. Each student had their own set of blocks and a dry erase board to work on. I also tell my students that mixed # and improper fracitions are just two names to give a fraction that represent the same amount. Just like some people call me *Jennifer* and some people call me *Mrs. Smith* they are both referring to the same person, just with a different name.

Hope this helps some.


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greenapples greenapples is offline
 
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renaming fractions
Old 12-15-2009, 05:53 AM
 
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what a great analogy. Thanks, I'm going to use it when I get to that concept
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Old 12-16-2009, 10:06 AM
 
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If you don't mind, what state do you teach in?

I teach middle school and still have students that have a hard time with these concepts.

I live in Texas and my students are coming to me without the knowledge of these concepts.

I was just checking on why my students are not????????
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teach4life2 teach4life2 is offline
 
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I'm also in TX
Old 12-16-2009, 04:03 PM
 
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I'm also in TX.
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greenapples greenapples is offline
 
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fractions
Old 12-17-2009, 09:09 PM
 
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I'm in CA and we use Harcourt Math. I use Marylin Burns' book for teaching fractions. The kids really get a great foundation with her method. Once they get it we play lots of games using decks of cards and double dice to practice simplifying, finding equivalents, etc.
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tchr45th tchr45th is offline
 
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also envision 5th gr
Old 12-19-2009, 10:09 AM
 
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I gave test yesterday--8/22 failed--I have 9 days to teach mastery of equivalent, simplifying, decimal conversion, fraction conversion, mixed to improper--imprper to mixed. It is a lot of concepts for proficiency mastery in two weeks!!!!!! I do hands on also, fraction tiles--drawing--etc. Still it is HARD for those kids who do NOT know mult tables, and confuse GCF and LCM. It is like they are working in slo motion.

I expected the scores I got--when we go back I will review for two more days--I sort of feel it is unrealistic to expect mastery in 10 days---it will come in time and with experience.


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