Math HHW - Crossword

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Across
  1. 1. Type of fraction where numerator is less than denominator
  2. 4. √2 is a example of
  3. 5. Result of multiplication
  4. 7. A triangle with 3 sides
  5. 9. Numbers from 1 to infinite
Down
  1. 2. Algebraic expression using (=) sign
  2. 3. Space inside a 2D shape
  3. 5. A closed figure
  4. 6. The number after 2
  5. 8. Distance between centre of circle and boundary