Units of Measurement | MathHelp.com - By MathHelp.com
Transcript
| 00:0-1 | in this example we're asked to convert five ounces into | |
| 00:04 | grams . So we start with our conversion factor for | |
| 00:07 | ounces and grams which is one ounce Is approximately equal | |
| 00:14 | to 28.4 g . Next notice that we're converting from | |
| 00:21 | a larger unit ounces to a smaller unit grams . | |
| 00:35 | Since we're converting from a larger unit to a smaller | |
| 00:38 | unit , we multiply by the conversion factor . Mhm | |
| 00:44 | . So we multiply five times the conversion factor 28.4 | |
| 00:51 | . When multiplying five times 28.4 I would put the | |
| 00:55 | larger number on top . So we have 28.4 times | |
| 01:02 | five . Now we begin multiplying as if we were | |
| 01:07 | multiplying two whole numbers Five times four is 20 . | |
| 01:12 | So we bring down the zero and carry the two | |
| 01:16 | , five times eight is 40 plus two is 42 | |
| 01:19 | . So we bring down the two and carry the | |
| 01:22 | four and five times two is 10 plus four is | |
| 01:26 | 14 . Now , since we have a total of | |
| 01:31 | one digit to the right of the decimal point in | |
| 01:34 | our original numbers are answer will have one digit to | |
| 01:38 | the right of the decimal point , so our answer | |
| 01:41 | is 142.0 Or 142 , So five oz is approximately | |
| 01:50 | equal to 142 g . |
Summarizer
DESCRIPTION:
This lesson covers vertical angles. Students learn the definition of vertical angles and the vertical angle theorem, and are asked to find the measures of vertical angles using Algebra. Students also solve two-column proofs involving vertical angles.
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