1st 9 Weeks Vocabulary - 7th Grade

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Across
  1. 4. a rate that compares a quantity to one unit of another quantity
  2. 6. a proportional, three-dimensional model of an object
  3. 8. the distance between a number and zero on a number line; can be written as |x|
  4. 9. the result of subtracting one number from another
  5. 10. an amount of money borrowed or deposited
  6. 13. money paid or earned for the use of money
  7. 15. a fraction that has at least one fraction in the numerator, the denominator, or both
  8. 18. can be written in different forms , but are equal in value, function, or meaning
  9. 19. the percent of change when the original amount increases
  10. 22. a percentage of the bill that gets added on to the cost; extra money given to someone who provides services such as a waitress
  11. 24. reducing the expression, fraction, or problem in a simpler form
  12. 25. "out of 100" another way to show a part of a whole
  13. 26. numbers that are greater than zero
  14. 29. a particular digit or sequence of digits repeats itself indefinitely
  15. 32. a percentage of money taken off the original price
  16. 33. the result of an addition problem
  17. 34. the set of whole numbers and their opposites
  18. 35. the result of two or more numbers when multiplied together
  19. 37. a number that cannot be written as the ratio of two integers such as pi
  20. 41. a percentage of the total sales amount
  21. 42. two quantities that form a proportion
  22. 43. anything that is similar, but not exactly equal to, such as rounding
  23. 44. the value of a scale when the units are the same
  24. 45. a percentage of the price or income that gets added on
  25. 46. a comparison of two quantities; can be written as a:b
  26. 49. a decrease in the original price of an item
  27. 50. a proportional, two-dimensional drawing of an object
  28. 52. a relationship between two variables where when one variable changes, increases, or decreases the other will change at a constant rate
  29. 53. a letter or symbol that stands for an unknown number
  30. 54. money paid or earned only on the principal
  31. 55. the result of dividing one quantity by another
Down
  1. 1. an approximate value close enough to the correct value
  2. 2. a table used to find and organize equivalent ratios
  3. 3. two ratios that describe the same relationship
  4. 5. the increase from what a store pays to the selling price
  5. 7. flipping the numerator and denominator
  6. 11. the percent of change when the original amount decreases
  7. 12. a ratio that compares the measurements of a drawing or model with the actual measurements
  8. 14. Form a decimal number that contains a decimal point
  9. 16. an equation stating that the values of two ratios are equivalent
  10. 17. numerical value that is part of a whole, divided by a numerator and denominator
  11. 19. the percent that a quantity changes from the original amount
  12. 20. the number k in the equation y=kx; the multiplicative relationship between two quantities
  13. 21. the number a/b associated with the ratio a:b
  14. 23. to solve or find the value of an expression or problem
  15. 27. amount of money you pay for a service or privilege
  16. 28. a decimal that has an end digit or a stopping point
  17. 30. rates that have the same unit rate
  18. 31. a function which takes one or more inputs and produces an output such as adding, subtracting, multiplying, and dividing
  19. 36. the opposite of a number
  20. 38. a number that can be written as a/b where a and b are integers and b does not equal zero
  21. 39. the percent that an estimated amount differs from the actual amount
  22. 40. a number that consists of a whole and fractional part, separated by a point
  23. 47. in the proportion a/b=c/d, the products a*d and b*c are called this when multiplying
  24. 48. a ratio of two quantities using different units
  25. 51. numbers whose value is always less than zero