Key Mathematical Concepts Quiz

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Questions and Answers

What is the least common denominator?

  • The largest common factor between two numbers
  • A number with one or more digits to the right of the decimal point
  • A ratio comparing a number to 100
  • The least common multiple of the denominators of two or more fractions (correct)

What does percent mean?

A ratio comparing a number to 100

What is a rational number?

Any number that can be a fraction

What is a decimal?

<p>A number with one or more digits to the right of the decimal point</p> Signup and view all the answers

What is a fraction?

<p>A number that consists of a numerator and denominator</p> Signup and view all the answers

What is the greatest common factor?

<p>The largest common factor between two numbers</p> Signup and view all the answers

What is the least common multiple?

<p>The smallest multiple that is exactly divisible by every member of a set of numbers</p> Signup and view all the answers

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Study Notes

Key Mathematical Concepts

  • Least Common Denominator (LCD)

    • Represents the least common multiple (LCM) of the denominators of multiple fractions, facilitating addition or subtraction of those fractions.

  • Percent

    • Refers to a ratio that expresses how much out of 100, often used to illustrate proportions in a comprehensible manner.

  • Rational Number

    • Encompasses all numbers that can be expressed as fractions, including integers and terminating or repeating decimals.

  • Decimal

    • Describes numbers that feature digits to the right of a decimal point, used to represent fractions in a base-10 system.

  • Fraction

    • Composed of a numerator (top part) and a denominator (bottom part), indicating a division of quantities.

  • Greatest Common Factor (GCF)

    • The highest number that can evenly divide two or more numbers, useful for simplifying fractions.

  • Least Common Multiple (LCM)

    • The smallest positive integer that is divisible by each number in a given set, important for finding common denominators.

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