Expressions and Operations

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Across
  1. 1. A number that is multiplied by a variable.
  2. 4. A fixed number.
  3. 6. The distance a number is from zero.
  4. 8. The set of whole numbers and their opposites.
  5. 9. The sum and/or difference of algebraic
Down
  1. 2. The amount of times to multiply a number by itself.
  2. 3. Find the value to an expression when the variables are replaced with numbers.
  3. 5. An unknown amount represented by a letter like x.
  4. 7. A constant, a variable, or the product of a number and a variable.