Expressions Vocabulary

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Across
  1. 3. Addition, subtraction, multiplication, and division signs.
  2. 4. A symbol that represents an unknown number.
  3. 6. Replacing the variables (letters) in an expression with their number values.
  4. 8. A number that multiplies a variable.
Down
  1. 1. A shortened way to write repeated multiplication.
  2. 2. A mathematical phrase that contains numbers and variables but no equal sign.
  3. 5. A number by itself
  4. 7. A member of a math sentence. They represent known and unknown values.