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Other Fraction Stuff
GCF, LCM, and Sieve of Erathosenes
| Term | Definition |
|---|---|
| Sieve Of Erathosenes | At 2:35, I went to the 7-11 and bought 13 slurpies $17.19 |
| GCF Tips | Look for all numbers that have a number in common |
| LCM Tips | For LCM write down every number that makes the number |
| Divisibility Rule for 2 | The number in the ones place must be even |
| Divisibility Rule for 3 | The sum of the digits must be divisible by 3 |
| Divisibility Rule for 6 | The number must be divisible by 2 AND 3 |
| Divisibility Rule for 9 | The sum of the digits must be divisible by 9 |
| Divisibility Rule for 5 | The number in the ones place must be a 5 or 0 |
| Divisibility Rule for 10 | The number in the ones place must be a 0 |
| Steps For Prime Ladder | Start with numbers, find smallest prime number, divide, repeat, when you get to a number that is only 1 and itself you end, the numbers on the left side from least to greatest are the Prime Factorization. |
| LCM Prime Ladder Steps | Smallest Prime numbers both numbers have, divide numbers by 2, make L for LCM |
| Strategies for 2 numbers | List, tree, and ladder |
| Strategies for 3 numbers | List and Tree |
| GCF Strategies | For 2 numbers: List, Ladder, and Tree. For 3 numbers: List and Tree |
Created by:
WolvarineMorgan13
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