1 / 5

Adding and Subtracting Decimals

Adding and Subtracting Decimals. Textbook page 102. How do I add or subtract decimals?. You can add or subtract decimals the same way you would whole numbers – only you must line up the decimals !. Example 1 : Adding Decimals. 9.8 + 9.7 + 9.425 + 9.85 9 . 8 00 * line up 9 . 7 00 decimals

amos
Download Presentation

Adding and Subtracting Decimals

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. Adding and Subtracting Decimals Textbook page 102

  2. How do I add or subtract decimals? You can add or subtract decimals the same way you would whole numbers – only you must line up the decimals!

  3. Example 1:Adding Decimals 9.8 + 9.7 + 9.425 + 9.85 9.800* line up 9.700decimals 9.425 * use zeros as + 9.850placeholders 38.775 ADD, remembering the decimal

  4. Example 2:Subtracting Decimals 10 – 9.85 * line up decimals 10.00* use zeros as - 9.85placeholders 0.15 SUBTRACT, remembering the decimal

  5. Example 3:Evaluate 7.52 – s for each value of s. (A) s = 2.9 7.52 – 2.9 * line up 7.52 decimals - 2.90* use zeros as 4.62 placeholders (B) s = 4.5367 7.52 – 4.5367 * line up 7.5200decimals - 4.5367* use zeros as 2.9833 placeholders

More Related