lesson 5-7 pages 224-226
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Lesson 5-7 Pages 224-226. Least Common Multiple. What you will learn!. How to find the least common multiple of two or more numbers. Vocabulary. What you really need to know!. - PowerPoint PPT PresentationTRANSCRIPT
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Lesson 5-7 Pages 224-226
Least Common Multiple
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What you will learn!
How to find the least common multiple of two or
more numbers.
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MultipleMultiple
Least common multiple (LCM)Least common multiple (LCM)
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What you really need to know!
A multiple of a number is the product of that number and any whole number. The least nonzero multiple of two or more numbers is the least common multiple (LCM) of the numbers.
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Example 1: Method 1
Find the LCM of 4 and 6.
Multiples Multiples of 4of 4 44 88 1212 1616 2020 2424
Multiples Multiples of 6of 6 66 1212 1818 2424 3030 3636
Multiples Multiples of 4of 4 44 88 1212 1616 2020 2424
Multiples Multiples of 6of 6 66 1212 1818 2424 3030 3636
The LCM is 12
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Example 1: Method 2
Find the LCM of 4 and 6.
224 326
12322 LCM
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Example 2:
Find the LCM of 4 and 15.4 44 88 1212 1616 2020 2424 2828 3232 3636 4040 4444 4848 5252 5656 6060 6464
15 1515 3030 4545 6060 7575 9090 105105 120120 135135 150150 165165 180180 195195 210210 225225 240240
224 5315
605322 LCM
4 44 88 1212 1616 2020 2424 2828 3232 3636 4040 4444 4848 5252 5656 6060 6464
15 1515 3030 4545 6060 7575 9090 105105 120120 135135 150150 165165 180180 195195 210210 225225 240240
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3222248
Example 3:
Find the LCM of 18, 24, 48
33218 322224
144332222
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Page 225
Guided Practice
#’s 4-7
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Pages 224-225 with someone at home and study
examples!
Read:
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Homework: Page 226
#’s 8-22 even
#’s 26-35
Lesson Check 5-7
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Page
576
Lesson 5-7
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Lesson Check 5-7