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#1 2009-11-03 13:44:10
- jess-jess09
- Guest
4th grade math
this sounds really dumb my daughter has math home work that i have no idea what it is or how to do it the teacher has written a number on top like 25 then a square blocked off into 4 sections with two diagnial lines and then 28 on th left side does ne one now what this is or how it is done 
#2 2009-11-03 13:51:26
- MathsIsFun
- Administrator
- Registered: 2005-01-21
- Posts: 7,713
Re: 4th grade math
It may be "Lattice Multiplication" ... try searching that on google
"The physicists defer only to mathematicians, and the mathematicians defer only to God ..." - Leon M. Lederman
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#3 2009-11-03 14:03:26
- jess-jess09
- Guest
Re: 4th grade math
that is what it is thank you very much I have never seen this kinda way to do math in my life you are a life saver thank you thank you thank you
#4 2009-11-06 06:39:24
- Sarah12
- Guest
Re: 4th grade math
You can look it up on the Computer.
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