Module 2 Vocabulary- 8th Grade

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Across
  1. 3. A number that cannot be expressed as the ratio, a/b where a and b are integers and b ≠ 0
  2. 6. Pairs of operations that undo each other. Addition and subtraction are inverse operations. Multiplication and division are inverse operations.
  3. 8. The set of numbers used for counting.
  4. 9. One of the two equal factors of a number.
  5. 12. The set of numbers used for counting and zero.
  6. 13. The set of rational numbers together with the set of irrational numbers.
  7. 15. A number whose square root is a whole number.
  8. 17. Decimal form of a rational number.
  9. 18. A process of approximating a decimal number by eliminating all decimal places past a certain point without rounding.
Down
  1. 1. One of three equal factors of a number.
  2. 2. A repeating decimal where the repeating digit is zero.
  3. 4. Numbers that can be written as the ratio of two integers in which the denominator is not zero. All integers, fractions, mixed numbers, and percents are rational numbers.
  4. 5. The positive square root of a number.
  5. 7. The symbol used to indicate a positive square root, .
  6. 10. A statement or example that shows a conjecture is false.
  7. 11. The set of whole numbers and their opposites.
  8. 14. In repeating decimals, the line or bar placed over the digits that repeat.
  9. 16. A number whose cube root is an integer.