Homework Help: 5TH grade math

Posted by Alyssa on Thursday, August 25, 2011 at 7:24pm.

estimate each sum or differnce.
7.4 + 3.1+ 9.8
How do I do this?

5TH grade math - Writeacher, Thursday, August 25, 2011 at 7:27pm
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, Saturday, August 27, 2011 at 8:50pm
7.0 3.0 10.0
5TH grade math - Anonymous, Wednesday, September 19, 2012 at 10:56pm
20
5TH grade math - Anonymous, Wednesday, September 19, 2012 at 10:57pm
20

Related Questions

3rd grade math - front end estimation to estimate the sum...like..436+517...
5th grade Math - Find the product. Estimate to check. 0.12 X 04 _______ O.108 ...
math - find the sum of2 3/4 and 2 4/5.find the differnce between this sum and 6
5th grade math - Find The Product. Estimate to check. 0.12 X 0.9 = 10.8 or is it...
trig - 8 sin 9x cos3x Rewrite the xpression as a sum or differnce using one of ...
Math- 5th grade - Estimate the product of $4.67 and 43.
3rd grade math - i need help!! if the estimate is greater than or equal or 1,500...
Math - Melvin estimate 645 + 322 by adding 600 + 300. Is his estimate sum an ...
6th grade Math - Two number cubes rolled 150 times.Estimate how often the ...
Math-3rd grade - Round to estimate the sum of all the numbers in 14.

For Further Reading

First Name:
School Subject:
Answer: