Number

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123456789
Across
  1. 2. Integers are the set of whole numbers, both positive and negative, including zero. They include -3, -2, -1, 0, 1, 2, 3, and so on.
  2. 4. Numbers: The set of all rational and irrational numbers combined. This includes all numbers that can be found on the number line.
  3. 5. Numbers: These are numbers that can be expressed as fractions, where the numerator and denominator are integers. Rational numbers include integers as well as fractions like 1/2, -3/4, 7/5, etc.
  4. 7. Numbers: These are numbers that involve the imaginary unit "i," where i^2 = -1. Imaginary numbers are written in the form a + bi, where "a" and "b" are real numbers.
  5. 8. Numbers: Odd numbers are integers that are not divisible by 2. They leave a remainder of 1 when divided by 2.
  6. 9. Numbers: Even numbers are integers that are divisible by 2 without leaving a remainder.
Down
  1. 1. Numbers: Prime numbers are positive integers greater than 1 that have no divisors other than 1 and themselves. Examples include 2, 3, 5, 7, 11, and so on.
  2. 3. Numbers: These are the positive integers (whole numbers greater than zero) that are used for counting and ordering. They include 1, 2, 3, 4, and so on.
  3. 6. Numbers: Numbers that cannot be expressed as fractions and have non-repeating, non-terminating decimal expansions. Examples are the square root of 2 (√2) and pi (π).