Math

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Across
  1. 2. The ratio of the circumference of a circle to its diameter
  2. 5. Parts per 100
  3. 6. x in the expression ax.
  4. 8. The numbers 0, 1, 2, 3, 4, 5, etc.
  5. 9. A term that describes the base–10 number system, probably the most commonly used number system. A number that shows the value smaller than one
  6. 10. Any number that is the square of a rational number.
  7. 15. The size of a surface. The amount of space inside the boundary of a flat object such as a triangle or circle.
  8. 16. The distance around the outside of a plane figure. It is the sum of the lengths of the sides.
  9. 17. A ratio of numbers or variables. Fractions may not have the denominator 0
  10. 19. Any of the symbols 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 used to write numbers
Down
  1. 1. Numbers we can multiply together to get another number.
  2. 3. All positive and negative whole numbers
  3. 4. The likelihood of the occurrence of an event
  4. 5. An equation relating the lengths of the sides of a right triangle. The sum of the squares of the legs of a right triangle is equal to the hypotenuse.
  5. 7. The result of dividing two numbers or expressions.
  6. 11. Having the same value
  7. 12. A mathematical sentence built from expressions using one or more equal signs
  8. 13. The four sections into which the x-y plane is divided by the x-axis and y-axis
  9. 14. A corner point of a geometric figure. For a polygon, vertices are where adjacent sides meet.
  10. 18. Two rays sharing a common endpoint. They are typically measured in degrees or radians