Vocabulary
What is a prime number?
A whole number greater than 1 whose only whole number fractions are 1 and itself.
Find the GCF of 14 and 21.
GCF = 7
Write the fraction in simplest form
24/32
3/4
Divide by 8
Find the LCM by listing the multiples
9 and 24
72
Complete the statement using <, > or =
17/34 ____ 9/18
=
What is a composite number?
A whole number greater than 1 that has whole number factors other than 1 and itself.
Find the GCF of 45 and 76.
GCF = 1
Write the fraction in simplest form
15/21
5/7
Divide by 3
Find the LCM by listing the multiples
12 and 18
LCM = 36
Order the fractions from least to greatest
1/3, 2/5, 3/10, 11/30
3/10, 1/3, 11/30, 2/5
What is a relatively prime number?
When the greatest common factor of two or more nonzero whole numbers is 1.
Find the GCF of 11 and 33.
GCF = 11
Write the fraction in simplest form
22/27
22/27
Find the LCM by listing the multiples
5, 8 and 12
120
Write the mixed number as an improper fraction
11 3/8
91/8
What are equivalent fractions?
Fractions that represent the same part-to-whole relationship.
Find the GCF of 18, 30 and 60.
GCF = 6
Write the fraction in simplest form
32/72
4/9
Divide by 8
Find the LCM by prime factorization
39, 52 and 169
LCM = 2028
Write the improper fraction as a mixed number
67/8
8 3/8
What is a mixed number?
What is a proper fraction?
What is an improper fraction?
A mixed number has a whole number part and a fraction part.
A proper fraction has a numerator that is less than its denominator.
An improper fraction has a numerator that is greater than or equal to its denominator.
Find the GCF of 75, 90 and 105.
GCF = 15
Write the fraction in simplest form
49/105
7/15
Divide by 7
Find the LCM by prime factorization
16, 25 and 27
LCM = 10,800
Write the decimal as a fraction
0.475
19/40