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kimmarie kimmarie is offline
 
Joined: Jun 2011
Posts: 277
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kimmarie
 
Joined: Jun 2011
Posts: 277
Full Member
Estimating fractions help
Old 02-25-2013, 06:09 PM
 
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Usually i tell my students to use benchmark fractions (1/2, 1/3, 1/4, 1/10) to do estimation problems but i am a little confused at how they arrived at the estimation for the problem given. Please help!!


Problem: 1 - 4/9 - 1/5 - 1/4

Estimation: 1 - 2/5 - 1/5 - 1/5

Another one

Problem: 5 and 23/32 - 3 and 7/16

Estimation: 5 and 3/4 - 3 and 1/2


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