1 / 6

Lesson 2-3

Lesson 2-3. Estimating Sums and Differences. Rounding. The process of replacing a number by another number that is close to the same value. What’s Our Rule for the Boss?. Using Rounding to Estimate Sums. 1,436+422= 1,436 rounds to 422 rounds to Now Estimate:.

lucius
Download Presentation

Lesson 2-3

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lesson 2-3 Estimating Sums and Differences

  2. Rounding The process of replacing a number by another number that is close to the same value. What’s Our Rule for the Boss?

  3. UsingRounding to Estimate Sums 1,436+422= 1,436 rounds to 422 rounds to Now Estimate:

  4. UsingRounding to Estimate Sums Estimate the sum using rounding 265 1,329 + 426 + 5,345 ______ _______

  5. UsingRounding to Estimate Differences 3,635-1,498= 3,635 rounds to 1,498 rounds to Now Estimate:

  6. UsingRounding to Estimate Differences Estimate the difference using rounding 562 9,245 - 223 - 4,033 ______ _______

More Related