Grace's crossword puzzle

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Across
  1. 3. The inside of a shape
  2. 4. The top number of a fraction
  3. 5. The outside around the shape
  4. 6. Crossing out numbers in a fraction
  5. 7. Numbers that are in a fact family with the other number
Down
  1. 1. The bottom number in a fraction
  2. 2. How to get a smaller fraction
  3. 5. The answer to multiplication