5TH grade math
posted by Alyssa .
estimate each sum or differnce.
7.4 + 3.1+ 9.8
How do I do this?

5TH grade math 
Writeacher
Is 7.4 closer to 7.0 or 8.0?
Is 3.1 closer to 3.0 or 4.0?
Is 9.8 closer to 9.0 or 10.0?
Once you decide, then add. 
5TH grade math 
Aaliayh
7.0 3.0 10.0

5TH grade math 
Anonymous
20

5TH grade math 
Anonymous
19

5TH grade math 
mackenzie
3.0+9.0+10.0=20.0

5TH grade math 
Anonymous
11.11

5TH grade math 
s
egw

5TH grade math 
brandon
is it 17.5 ms

5TH grade math 
ailyn
7.0+3.0+10.0
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