Chapter 1 Vocabulary

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Across
  1. 3. The opposite of a number is its additive inverse.
  2. 5. A number, a variable, or a combination of numbers and variables using operation symbols.
  3. 8. The product of prime numbers that equals the number.
  4. 11. In a fraction, written a/b, where b≠0, B is the number of equal parts the whole has been divided into.
  5. 13. The whole numbers and their opposites.
  6. 16. A number that cannot be written as the ratio of two integers. Its decimal form does not stop and does not repeat.
  7. 17. The absolute value of a number is its distance from 0 on the number line.
  8. 19. A number less than 0 is _____.
  9. 20. The reciprocal of a number.
  10. 22. A number of the form /pq, where p and q are integers and q≠0. Its decimal form stops or repeats.
  11. 23. A constant, or the product of a constant and one or more variables.
  12. 24. A counting number greater than 1 whose only factors are 1 and the number itself.
  13. 26. The number 0 is the additive identity because adding 0 to any number does not change its value.
  14. 28. A fraction in which the numerator and/or the denominator is a fraction.
  15. 30. A ratio whose denominator is 100.
  16. 31. The coefficient of a term is the constant that multiplies the variable in a term.
Down
  1. 1. The number 1 is this because multiplying 1 by any number does not change its value.
  2. 2. Means to do all the math possible.
  3. 4. Found by inverting the fraction, placing the numerator in the denominator and the denominator in the numerator.
  4. 6. A composite number is a counting number that is not prime. It has factors other than 1 and the number itself.
  5. 7. Fractions that have the same value.
  6. 9. If a⋅b=m, then a and b are factors of m.
  7. 10. A letter that represents a number whose value may change.
  8. 12. A number that is either rational or irrational.
  9. 14. Two expressions connected by an equal sign.
  10. 15. Established guidelines for simplifying an expression.
  11. 18. Is the number that is the same distance from zero on the number line but on the opposite side of zero.
  12. 21. A number whose value always stays the same.
  13. 25. Means to find the value of the expression when the variables are replaced by given numbers.
  14. 27. Terms that are either constants or have the same variables raised to the same powers.
  15. 29. Is written a/b, where b≠0, and a is the numerator and b is the denominator; represents parts of a whole.