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April 18, 2014

April 18, 2014

Posted by **cindy** on Wednesday, December 1, 2010 at 5:24pm.

- 5th grade -
**Ms. Sue**, Wednesday, December 1, 2010 at 5:26pmNo.

Add the 4 prices and subtract from $15.

You can estimate by rounding to the nearest dollar and then adding.

- 5th grade -
**bobpursley**, Wednesday, December 1, 2010 at 5:27pmadd the costs, and subtract from 15.

Estimating 2.5+1+1+1.5=6

15-6 is not a ten dollar bill in change.

- 5th grade -
**bobpursley**, Wednesday, December 1, 2010 at 5:29pmOf course, a few years ago I bought gasoline walked into the store to pay, got also a cup of coffee, offered the clerk $50.00 bill, he told me my change was $512.00, and he couldn't give it to me as he did not have that much in the register. I told him he did it wrong, he pointed to the electronic display, and told me to look! $512.00. I noticed the next week he was gone.

Estimating is a very valuable tool, it allows you to check the register.

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