Algebraic expressions

123456
Across
  1. 3. value.
  2. 5. a letter or symbol that represents an
  3. 6. a variable combined by multiplication or division.
Down
  1. 1. a number that cannot change its value.
  2. 2. number multiplied by a variable in an expression
  3. 4. name given to a number, a variable, or a number