Math terms

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Across
  1. 3. A letter or symbol used to represent an unknown number.
  2. 5. The distance from the center of a circle to any point on its edge.
  3. 6. Two angles whose measures have a sum of
  4. 7. Two angles whose measures have a sum of
  5. 8. angles that share a common vertex and side but do not overlap.
  6. 10. The amount of space inside a 2D shape, measured in square units.
  7. 12. The numerical factor of a term that contains a variable.
  8. 14. Having the same size and shape.
  9. 15. The number that indicates how many times the base is used as a factor.
  10. 18. The distance across a circle through its center.
  11. 19. A mathematical sentence that contains an equals sign.
Down
  1. 1. A mathematical sentence that contains symbols like
  2. 2. A value that does not change
  3. 4. The distance of a number from zero on a number line.
  4. 9. Any number that can be written as a fraction.
  5. 11. the figure formed by two lines (sides) intersecting at a common point, called the vertex
  6. 12. A whole number greater than 1 that has more than two factors.
  7. 13. All whole numbers, their opposites, and zero.
  8. 16. Relationships between variables that can be described by equivalent fractions.
  9. 17. The ratio of a circle's circumference to its diameter, roughly