Comparing and Ordering Rational Numbers

What is a common multiple of the denominators of two or more fractions called?

• Prime factor

• Least common multiple

• Greatest common divisor

• Common denominator

What is the least common multiple of the denominators called?

• Least common denominator

• Prime multiple

• Common factor

• Greatest common divisor

Which of the following is a number that can be expressed as a ratio of two integers where the denominator is not zero?

• Irrational number

• Whole number

• Rational number

• Natural number

Which number is closer to zero: -5/6 or -1 1/6?

• Cannot be determined

• They are equal

• -1 1/6

• -5/6

What is the least common denominator of 7/12 and 8/18?

• 18

• 24

• 36

• 48

Which class has a greater fraction of students owning roller shoes: Mr. Holmes' class (20%) or Mrs. Trevino's class (5 out of 29)?

• Mrs. Trevino's class

• Mr. Holmes' class

• They are equal

• Cannot be determined

Order the following from least to greatest: 3.44, π, 3.14, 3.4 repeating.

• 3.14, π, 3.4 repeating, 3.44

• 3.14, π, 3.44, 3.4 repeating

• 3.14, 3.44, π, 3.4 repeating

• π, 3.14, 3.44, 3.4 repeating

Which of the following is a natural number?

• 1.5

• 0

• -2

• 3

Which of the following is an integer?

• 1/2

• 3.14

• 0

• 1.5

Which of the following is an irrational number?

• 3.14

• π

• 10

• 1/2