7th grade unit 1

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Across
  1. 2. A number with the same absolute value as a given number, but with a different sign.
  2. 4. Any number greater than zero. Positive numbers can be natural, rational, or irrational numbers but they will always be to the right of 0 on a number line.
  3. 5. A number whose value is always less than zero and has a minus sign (-)
  4. 7. Two numbers whose sum is 0; two numbers that are equidistant from zero on a number line
  5. 8. Numbers that are used for counting and are a part of real numbers.
  6. 9. A decimal with a finite number of digits. If a decimal repeating digit is zero, the decimal is called a terminating decimal.
  7. 10. The set of whole numbers and their opposites and zero. Also a number expressible in the form a or -a for some whole number a
Down
  1. 1. Two numbers whose product is 1
  2. 3. A number whose decimal representation eventually becomes periodic (same digits repeat indefinitely). The repeating portion of a decimal expansion is denoted with a vinculum ( ¯ )
  3. 6. A number expressible in the form a/b or -a/b for some fraction a/b. The rational numbers include integers.