Math Crossword Puzzle

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Across
  1. 2. a point or dot used to separate the whole part of a number from the fractional part of a number.
  2. 4. the size, number, or amount of one thing or group of things as compared to that of another thing or group of things
  3. 5. a line with positive and negative numbers
  4. 8. the amount of space the object takes up
  5. 9. a kind of mathematics that deals with shapes and figures.
  6. 10. positive numbers, negative numbers and zero.
  7. 12. are drawings that show mathematical information with lines, shapes, and colors.
  8. 14. to take away from a group or a number of things
  9. 17. when you take one number and add it together a number of times.
  10. 19. a way to show a relationship or compare two numbers of the same kind
Down
  1. 1. Finding the total, or sum, by combining two or more numbers.
  2. 3. stays the same and does not change
  3. 6. the number used to multiply one object by to get another object that looks the same but is a different size
  4. 7. is a method used for dividing large numbers into groups or parts
  5. 11. A part of a whole number.
  6. 13. How much a retailer increases the price over what they paid for it
  7. 15. a reduction in the normal price.
  8. 16. an amount of money that is given to a worker such as a waiter or waitress who performs a service for you.
  9. 18. is added to the price of particular goods and services, usually as a percentage of the purchase price.