Mathematics activity 1

123456
Across
  1. 1. if something decreases the other decreases to at the same time
  2. 5. an alphabet used to represent an unknown value
  3. 6. writing down very large and very small numbers
Down
  1. 2. a number multiplied by a variable
  2. 3. a fixed number which remains the same
  3. 4. if one decreases the other increases