Math crossword

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Across
  1. 4. 2%, 25%, 85%
  2. 5. centimeters, meters, inches, millimeters
  3. 7. dollars and pounds, notes and coins
  4. 9. 1,000 grams = 1 ----------.
Down
  1. 1. one, three, 5, 28, 100
  2. 2. circle, square, rectangle, triangle
  3. 3. 1.89 = 2
  4. 6. a triangle has -------- sides
  5. 7. 6:00am is in the ----------.
  6. 8. six o'clock, 10.15, midnight, 6.30am