1 / 5

Multiplying Decimals

Multiplying Decimals. Textbook page 120. How do we multiply by decimals?. To multiply by a decimal we: multiply like we do with whole numbers then we place the decimal by counting decimal units.

vivien
Download Presentation

Multiplying 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. Multiplying Decimals Textbook page 120

  2. How do we multiply by decimals? To multiply by a decimal we: • multiply like we do with whole numbers • then we place the decimal by counting decimal units

  3. Example 1:Something that is 1 lb on Earth weighs 0.17 lb on the Moon. How much does a 3 lb flag weigh on the Moon? 3 x 0.17 0.17 *multiply x 3 * count places 0.51We put two digits behind the decimal because the question had a total of two places behind the decimal.

  4. Example 2:Find each product • 0.2 x 0.6 0.2 1 unit x 0.61 unit 0.12 2 units (B) 0.05 x 0.9 0.05 2 units x 0.91 unit 0.045 3 units

  5. Example 3:Evaluate 3x for each value of x • x = 4.047 4.047 3 units x 3 12.141 3 units (B) x = 2.95 2.95 2 units x 3 8.852 units

More Related