Estimating Sums and Differences - YourTeacher.com - Math Help

For a complete lesson on estimating sums and differences, go to http://www.yourteacher.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn to estimate a sum or difference by first rounding each number to the place specified in the problem. For example, to estimate 4,909 + 3,217 by rounding each number to the nearest thousand, first round 4,909 up to 5,000, and round 3,217 down to 3,000, then add 5,000 + 3,000 to get 8,000.

Category:

Education

Tags:

• Estimating
• Sums
• and
• Differences
• estimate
• the
• sum
• pre
• algebra
• estimation
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[deethecat5]

I love the look she gives us at the end. I think she wants to do a subway shooting.

[LadyRyuga]

Y I no estimate?! -_=;



[bleekas145]

THAT TEACHER HAS A TRUE ZEAL 2 MAKE YOU EXCELL!!! GOD BLESS HER!

[greymilton]

Wow... this looks like a really fun lesson.  The teacher is so engaging and dynamic! Excuse me while I stab myself with my pencil...

[Th3J0hnny]

ty it helped mah

[FutureGamerzZ]

thanks u helped me do my homework :)

[AfricoDiva]

@mustafaklngn

thx dat was helpful

[aliraslan]

your teaching method is too scary :O

[BeerCanBeachKitty]

Im sorry to say but THIS CONFUSES PPL INCLUDING ME WHEN I ALL THOUGHT THAT IT WAS DECIMALS.

[rosario3gomez]

@ehud2712