CROSSWORD PUZZLE

123456
Across
  1. 2. A fraction whose numerator is greater than the denominator. (12 letters)
  2. 4. Number that divides exactly by only 1 and itself. (5 letters)
  3. 5. Value obtained when a number is multiplied by itself. (6 letters)
  4. 6. 1000 millilitres make one ____. (5 letters)
Down
  1. 1. Distance around a circle. (13 letters)
  2. 3. The longest side in a right-angled triangle. (11 letters)
  3. 4. The result of multiplication. (7 letters)