KP/math crossword

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Across
  1. 3. Opposite to subtraction
  2. 4. Has 6 square faces
  3. 5. The answer to a sum (divided)
  4. 6. Temperature
  5. 7. Bigger than a right angle but smaller than a straight angle
  6. 9. Two straight lines telling you what the answer is
Down
  1. 1. A round 2d shape
  2. 2. The top number in a fraction
  3. 6. A type of fraction with a comma
  4. 8. Drawing something that is the same on each side