My first Numbers Crossword :)

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1234567891011
Across
  1. 2. I am a shape with three sides
  2. 4. My month of Birth
  3. 6. What is 25 - 25?
  4. 8. What is nineteen times three
  5. 10. First odd number
  6. 11. 47 is it odd or even?
Down
  1. 1. My Birth date
  2. 3. I am bigger than 89 but smaller than 91
  3. 5. You use me to draw a line and measure it
  4. 7. smallest two digit number
  5. 9. Place value of 1 in 1000