Abacus crossword

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Across
  1. 7. An instrument for viewing very small objects.
  2. 8. A traditional counting frame used for basic arithmetic.
  3. 9. A tool used for cutting paper or fabric.
  4. 10. A tool used to measure length or draw straight lines.
Down
  1. 1. A tool used to measure temperature.
  2. 2. A tool used for drawing circles or directions.
  3. 3. A flexible ruler used to measure size or distance.
  4. 4. A device used for performing mathematical calculations.
  5. 5. An instrument for measuring angles.
  6. 6. A lens used to make objects appear larger.