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Math Course 1

Ch. 5 Review

QuestionAnswer
Tell whether the number 41 is prime or composite. prime
At one time, 36 out of 50 regions in a country had lighthouses. This can be written as the fraction 36/50. How do you write this fraction as a decimal? 0.72
Write the decimal 7.04 as a fraction or mixed number in simplest form. 7 1/25
Write 38/7 as a mixed number. 5 3/7
Write 7 15/17 as an improper fraction. 134/17
Find the LCM of 9 and 6. LCM is 18
List the first three multiples of the number. 31 31, 62, 93
List the first three multiples of the number. 12 12, 24, 36
Find the LCM of 9 and 5. LCM 45
Find the LCM of 42 and 54 using prime factorization. LCM 378
A store gives every 30th customer a $30 gift certificate. Every 42nd customer gets a $42 gift certificate. What number customer will be the first to receive both types of gift certificates? 210th Customer
What does GCF stand for? Greatest Common Factor
What is a Greatest Common Fractor (GCF? The greatest of the common factors of two or more numbers.
What is the product of a whole number and any nonzero whole number? A multiple
The ______ multiple is the smallest of the common multiples of two or more nonzero whole numbers. least common
An ______ fraction is any fraction in which the numerator is greater than or equal to the denominator. improper
When a number has another number as a factor, it is ______ by the other number. divisible
6 is a ______ number because its factors are 1, 2, 3, and 6. composite
Fractions that represent the same number are ______ fractions. equivalent
The least of the non-zero common multiples of two or more numbers. Least Common Multiple (LCM)
A whole number greater than 1 that has exactly 2 factors, 1 and itself. Prime Number
Created by: swinsoa
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