[PPT]No Slide Title - Mayfield City School District Multiples... · Web viewTemplate by Modified by...
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Template by Modified byBill Arcuri, WCSD Chad Vance, CCISD
Click Once to BeginJEOPARDY!
Factors & Multiples Review
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JEOPARDY!
100 100 100 100 100 100
200 200 200 200 200 200
300 300 300 300 300 300
400 400 400 400 400 400
500 500 500 500 500 500
Prime & Composite Factors Multiples GCF LCM Word
Problems
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This type of number has ONLY two factors
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Prime
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This type of number has MORE than two factors
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Composite
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Give an example of an ODD composite number
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9, 15, 21, 25, 27, 33, 35, 39….51……
(answers may vary)
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This type of number has an odd number of factors
because two factors are exactly the same.
(number multiplied by itself results in this kind of number)
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Square Number
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Why is 2 the only even prime number?
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All other even numbers have more than two factors.
They are divisible by one and themselves, and then
two and its factor pair.
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Find all the factors of 30
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30
1 302 153 105 6
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Find all the factors of 64
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641 642 324 168 8
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Find all the factors of 51
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51 1 51 3 17
Go through those
divisibility rules so 3
doesn’t trick you!
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Find all the factors of 72
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72 1 72
2 36 3 24 4 18 6 12
8 9
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Find all the factors of 120
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1201 1202 603 40
4 305 246 208 15
10 12(16 factors)
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List the first five multiples of 7
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7: 7, 14, 21, 28, 35
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List the first five multiples of 15
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15: 15, 30, 45, 60, 75
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List the first 5 multiples of 80
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80: 80, 160, 240, 320, 400
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How do you find multiples?
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Multiply the given number by any other
whole number(Multiples we multiply- they go
on forever!)
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List the first 5 multiples of 14
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14: 14, 28, 42, 56, 70
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What is the GCF of 30 and 25?
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30 251 30 1 252 15 5 53 105 6
GCF=5
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What is the GCF of 36 and 45?
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36 451 30 1 252 18 3 153 12 5 94 96 6
GCF=9
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What is the GCF of 100 and 72?
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100 721 100 1 722 50 2 36
4 25 3 24
5 20 4 18 10 10 6 12
8 9GCF=4
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What is the GCF of 63 and 84?
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63 841 63 1 843 21 2 42
7 9 3 28 4 21
6 14 7 12
GCF= 21
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Find the GCF of 18, 24, 54
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18: 1, 2, 3, 6, 9, 1824: 1, 2, 3, 4, 6, 8, 12, 2454: 1, 2, 3, 6, 9, 18, 27, 54
GCF= 6
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What is the LCM of 4 and 20?
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4: 4, 8, 12, 16, 20, 24 20: 20
LCM= 20
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What is the LCM of 7 and 13?
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7: 7, 14, 21, 28, 35, 42, 56, 63, 70, 77, 84, 91
13: 13, 26, 39, 52, 65, 78, 91
LCM= 91
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What is the LCM of 11 and 4?
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11: 11, 22, 33, 44, 55, 66, 774: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44
LCM= 44
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Find the LCM of 15 and 25
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15: 15, 30, 45, 60, 75, 9025: 25, 50, 75
LCM= 75
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What is the LCM of 8, 32, and 48?
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8: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96 32: 32, 64, 9648: 48, 96
LCM= 96
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Photography Club plans to provide food at their first meeting.
They have 20 cookies and 40 slices of pizza to be shared equally. Each student who
attended had the same number of whole cookies and slices of pizza, with nothing left over. What is the greatest number of students who
can attend?
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GCF= 20 students
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Sam can speed walk a mile in 16 minutes, and Dan can
speed walk a mile in 14 minutes. If they start at the
same time on the track, how long will it take before they meet at the starting point
again?
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LCM= 112 minutes
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Mrs. Mayer has 27 students in her fifth period class and Miss
Vinborg has 18 in her fifth period class. If they plan to
combine the classes to make the greatest number of groups
by equally dividing up each teacher’s students, how many
groups can they make?
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GCF= 9 groups
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Lisa is making activity baskets to donate to charity. She has
12 coloring books, 28 markers, and 36 crayons. What is the greatest number of baskets she can make if each type of
toy is equally distributed among the baskets?
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GCF= 4 baskets
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Bottled water comes in cases of 24. Cups come in packs of 30. If Jim wants to hand out
cups of water during a 5k race, what is the smallest quantity of both water and cups he needs
to buy in order to serve the same amount of each to the
runners?
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24: 24, 48, 72, 96, 12030: 30, 60, 90, 120
120 of each item is needed; 5 cases of water4 packs of cups