basic math

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Across
  1. 2. The process of putting numbers together.
  2. 7. The opposite of addition.
  3. 8. A part of a whole.
  4. 11. A sign showing one value is bigger.
  5. 12. The ratio of a circle’s circumference to its diameter.
  6. 14. A number written above to show power.
  7. 15. A symbol used to show not the same.
  8. 17. The number that tells how many times to multiply a number by itself. (
  9. 19. The distance from zero on the number line.
Down
  1. 1. The opposite of multiplication.
  2. 3. A number less than zero.
  3. 4. The process of repeated addition.
  4. 5. The result of adding numbers.
  5. 6. A number that goes on forever without end.
  6. 9. A symbol used to group numbers.
  7. 10. The number that divides another.
  8. 13. A dot used in decimal numbers.
  9. 14. A sign that shows two values are the same.
  10. 16. A sign showing one value is smaller.
  11. 18. A part out of one hundred.