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Prime Factorization
Greatest Common Factor
Equivalent Fractions and Order/Compare Fractions
Least Common Multiple
Mixed numbers, improper fractions, and decimals
100
List all of the factors of 60
1 60 2 30 3 20 4 15 5 12 6 10
100
What 2 things do you need to find the GCF? The same question I always ask, give the exact answer. _________ ___________, ____________ ____________
common base, lowest exponent
100
In the fraction a/b....a is known as the _______________ and b as the ______________
numerator, denominator
100
What 2 things do you need when finding the LCM? Same question I always ask.... __________ __________, __________ ___________
all bases, highest exponent
100
Write 32/7 as a mixed number
4 and 4/7
200
Is 243 a prime or composite number? Explain reasoning
Composite; divisible by 3
200
Find the GCF of 180 and 126 using prime factorization.
180 = 2^2 * 3^2 *5 126 = 2 * 3^2 * 7 GCF = 2*3^2 = 18
200
Rewrite fractions using a common denominator, then tell which fraction is greater? 11/15 or 2/3
11/15 and 10/15 11/15 is greater
200
Find the LCM of 28 and 46 using prime factorization.
28 = 2^2 * 7 46 = 2 * 23 LCM = 2^2 * 7 * 23 644
200
Write 12 and 9/13 as an improper fraction.
165/13
300
Use a factor tree to write prime factorization of 68.
2^2 * 17
300
If the GCF of 2 numbers is one, the numbers are said to be ____________ _____________.
relatively prime
300
Simplify the fraction 24/32.
3/4
300
Find the LCM of 90 and 165 using prime factorization
90 = 2 * 3^2 * 5 165 = 3*5*11 LCM = 2 * 3^2 * 5 * 11 990
300
Order the following mixed numbers and fractions. 40/40, 49/42, 22/20, 1 and 1/9
40/40 = 1, 49/42 = 1 7/42 22/20 = 1 1/10 1 1/9 40/40, 22/20, 1 1/9, 49/42
400
Use a factor tree to write the prime factorization of 864.
2^5 * 3^3
400
Using prime factorization, find the GCF of 75 and 285.
75= 3 * 5^2 285 = 3 * 5 * 19 GCF = 3 * 5 = 15
400
Find common denominator for fractions, then write in order from least to greatest. 17/81, 5/9, 13/27, 2/3
81 is LCD 17/81, 45/81, 39/81, 52/81 in order with originals: 17/81, 13/27, 5/9, 2/3
400
Find the GCF and LCM OF 36 and 60
36 = 2^2 * 3^2 60 = 2^2 * 3 * 5 LCM = 2^2 * 3^2 * 5 = 180 GCF = 2^2 * 3 = 12
400
Write 4.175 as a simplified fraction.
4 and 7/40
500
Use a factor tree to write the prime factorization of 1089.
3^2 * 11^2
500
Find the GCF of 168, 210, 238.
168 = 2^3 *3*7 210 = 2*3*5*7 238 = 2*7*17 GCF = 2*7 = 14
500
Write the following fractions in simplest form then tell if equivalent. 45/54 and 8/18
5/6 and 4/9 not equivalent
500
Find the GCF and LCM of 28, 52, and 74
28 = 2^2 * 7 52 = 2^2 * 13 74 = 2 * 37 GCF = 2 LCM = 2^2 * 7 * 13 * 37 = 13,468
500
Write 7/12 as a decimal and tell if it terminates or repeats.
.583(bar above 3) repeating decimal