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PRIME TIME JEOPARDYPrime
FactorizationGCF/LCM Factors
and Multiples
Prime and Composite Numbers
???
100 100 100 100 100
200 200 200 200 200
300 300 300 300 300
400 400 400 400 400
500 500 500 500 500
600 600 600 600 600
700 700 700 700 700
Prime and Composite for 700
Tell the mystery number.
Clues: The number is prime. The number is less than 19. The sum of the digits of the
number is greater than 7.
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Prime and Composite for 600
List all the prime numbers less than 20.
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Prime and Composite for 500
• Tell whether each number is prime or composite.
• 86 95 31 51
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Prime and Composite for 400
Tell whether the number is prime or composite.
4564052
Back
Prime or Composite for 300
• What is the definition of a prime number?
Back
Prime and Composite for 200
What is the definition of a composite number?
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Prime and Composite for 100
True or False.
1 is prime.
All odd numbers are prime.
Only even numbers are composite.
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Prime Factorization for 700
Write the prime factorization using exponents.
200
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Prime Factorization for 600
Write the prime factorization using exponents.
140
• Back
Prime Factorization for 500
Write the prime factorization using exponents.
85
• Back
Prime Factorization for 300
Write the prime factorization using exponents.
360
• Back
Prime Factorization for 200
Write the prime factorization using exponents.
60
Back
Prime Factorization for 400
Write the prime factorization using exponents.
155
Back
Prime Factorization for 100
Write the prime factorization using exponents.
80
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GCF/LCM for 100
Find the LCM for the following numbers
• 9 and 15
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GCF/LCM for 200
Find the GCF for the following numbers
32 24 and 40
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GCF/LCM for 300
• Boxes that are 12 inches tall are being stacked next to boxes that are 14 inches tall. What is the shortest height at which the two stacks will be the same height?
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GCF/LCM for 400
Ming has 15 quarters, 30 dimes and 48 nickels. He wants to group his money so that each group has the same number of each coin. What is the greatest number of groups he can make?
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GCF/LCM for 500
• a. What is the greatest common factor of 30 and 42?
• b. Give a different common factor of 30 and 42.
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GCF/LCM for 600• Jack plays on a basketball team after school
(or on the weekend) every third day of the month. He babysits his younger brother after school every seventh day of the month. How many times during a 30-day month, if any, will Jack have a conflict between basketball and babysitting?
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GCF/LCM for 700
• Neena has 54 smiley-face stickers, 36 glittery stickers, and 81 heart stickers. She wants to divide the stickers evenly among her friends. Find the greatest number that Neena can use to divide the stickers evenly.
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Factors and Multiples for 100
• List all the factors of 30.• List all the divisors of 30.
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Factors and Multiples for 200
List the first five mutliples of 9.
Back
Factors and Multiples for 300
Which of the following numbers has the most factors: 6, 17, 25, 31 or 40?
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Factors and Multiples for 400
Which number is a common multiple of 7 and 4: 11, 24, 48, or 56?
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Factors and Multiples for 500Find the missing number and the 3 factors
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9 12 16
18 ? 36
Factors and Multiples for 600
Create a Venn Diagram with the first five multiples of 15 and 12. What number(s) are in the intersection?
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Factors and Multiples for 700Which list shows the prime common factors of
18 and 45?
A. 1,2,3,5,6,9,15
B. 3,9
C. 1,3,9
D. 3
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???? for 700
• List the first 7 square numbers.
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???? for 600
• Why is 1 not prime or composite?
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???? for 500
Which of the following numbers are not square numbers:
1, 9, 16, 25, 36, 55, 100, 144, 169• Back
???? for 400
List the first 10 composite numbers.
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???? for 300
Name all the factor pairs of 12.
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???? for 200
List all the factors and the first three multiples for 20.
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???? for 100
What is the divisibility rule for 3?
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