Mathematics

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Across
  1. 2. It is repeated subtraction
  2. 3. When we minus some number from other number
  3. 5. A unit of measurement for weight
  4. 6. A device used to hold the pencil steady in a compass
  5. 10. It represents the multiplication set of a number
  6. 12. An instrument used to measure and draw angles
  7. 13. A shape with four equal sides
Down
  1. 1. A shape with five sides
  2. 4. A device for measuring temperature, sometimes used in math problems
  3. 7. The process of finding the sum of two numbers
  4. 8. A flat, straight tool used for drawing straight lines
  5. 9. It is repeated addition
  6. 10. A shape with three sides
  7. 11. A shape with no straight sides