Wednesday

April 16, 2014

April 16, 2014

Posted by **deja** on Monday, December 1, 2008 at 10:18pm.

- math -
**Ms. Sue**, Monday, December 1, 2008 at 10:22pmIf you round the numbers and then add them, you'll be estimating.

Example: 27 + 51 is about 30 + 50. Since 3 + 5 = 8, then 30 + 50 is about 80.

**Related Questions**

math - how can estimating help you add two-digit numbers?

math - How can estimating help you add two-digit numbers?

math - how can estimating help you add two- digit numbers?

estimating - how does estimating help add 2 digit numbers

math - Writing in math, how can estimating help you add two-digit numbers?

3rd grade Math - Writing in Math - How can estimating help you add two-digit ...

MATH Trouble - I have no idea what this problem means: For how many two-digit ...

3rd grade - How can estimating help you add two-digits numbers?

math - How can I add a two digit number and two three digit numbers in my head. ...

math - The number uses every number 0-9 the numbers are used only once the ...