Prime/ Composite Numbers and Divisibility
Greatest Common Factors (GCF)
Least Common Multiple (LCM)
Compare and Order Fractions
Converting Fractions
100
Which number on the list is prime? 42, 51, 19
What is 19
100
Find the GCF of the set of number: 24 and 36
What is 12
100
Give the definition for the Least Common Multiple (LCM).
What is the LCM of 2 or more numbers is the least multiple that is common to all of the numbers.
100
Compare: 3/5 _____ 5/8
What is <
100
Write in simplest form: 25/150
What is 1/6
200
Give the definition and example of a composite number.
What is any number that has more than 2 factors. An example is 12 --> Factors are 1, 2, 3, 4, 6, and 12.
200
Find the GCF of the set of numbers: 11, 66, and 72
What is 1
200
Find the LCM of the following numbers: 7 and 12
What is 84
200
Compare: 5 4/6 _______ 5 5/7
What is <
200
Write as a mixed number in simplest form: 21/14
What is 1 1/2
300
Is the number divisible by 2, 3, 5, 6, 9, and/or 10? 405
What is 3, 5 and 9
300
Find the GCF of the set of numbers: 20, 25, and 30
What is 5
300
Find the LCM of the following numbers: 60 and 100
What is 300
300
Compare: 9/24 ______ 3/8
What is =
300
Write as an improper fraction: 19 1/3
What is 232/12
400
Is the number divisible by 2, 3, 5, 6, 9, and/or 10? 72
What is 2, 3, 6, and 9
400
Find the GCF of the set of numbers: 300 and 450
What is 150
400
Find the LCM of the following numbers: 6, 8, and 16
What is 48
400
Order from least to greatest: 2/3, 5/6, 3/4
What is 2/3, 3/4, 5/6
400
Write as a fraction in simplest form: 5.075
What is 5 3/40
500
Find the prime factorization for 120.
What is 2 to the 3rd power x 3 x 5. 2 x 2 x 2 x 3 x 5
500
Find the GCF of the set of numbers: 234 and 260
What is 26
500
Find the LCM of the following numbers: 18 and 108
What is 108
500
Order from least to greatest: 6 7/12, 6 2/3, 6 1/5
What is 6 1/5, 6 7/12, 6 2/3
500
Write in decimal form: 11/8
What is 1.375
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