Math Crossword

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Across
  1. 3. Round off 7644 to nearest 10
  2. 6. 400-139
  3. 7. Smallest 4-digit number - 50
  4. 8. Predecessor of 1100
  5. 9. 2000+40+5
Down
  1. 1. 45 × 100
  2. 2. The smallest 4 digit number with three 1's
  3. 4. Sum of 45 hundreds and 60 ones
  4. 5. The difference between the place value of 5 in 5329 and 451
  5. 6. Round off 196 to nearest 100.