6th Grade Vocabulary - 1st Semester

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Across
  1. 1. the result of multiplying a factor by a whole number
  2. 4. the process of using a factor tree to find the prime factors of a composite number (2 words, no space)
  3. 5. decimals that repeat the same set of numbers
  4. 6. a number whose numerator is bigger than its denominator (2 words, no space)
  5. 8. the result of a division expression that has a denominator of zero (2 words, no space)
  6. 9. to reduce a fraction to its lowest terms by removing all common factors from the numerator and denominator
  7. 13. shortcut used to divide fractions (3 words, no spaces)
  8. 18. reciprocal (2 words, no space)
  9. 22. the result of a division problem
  10. 23. the direction a decimal moves when a number is multiplied by a positive power of 10
  11. 24. the result of multiplying an odd number of negative numbers
  12. 26. the result of multiplication
  13. 27. multiplicative inverse
  14. 28. a number that has more than 2 factors
  15. 35. the counting numbers; these are the first numbers learned, and they introduce positive numbers (2 words, no space)
  16. 36. a horizontal line drawn over a group of numbers in a mathematical expression to indicate they are to be operated on as a single number; it is a grouping symbol (challenge)
  17. 38. numbers that are multiplied together to get a product
  18. 39. ab = ba; a + b = b + a (2 words, no space)
  19. 40. a shortcut used to add and subtract fractions (2 words, no space)
  20. 41. numbers that are the same distance from zero, but in different directions; change the sign
  21. 42. the result of a division expression that has a numerator of zero
Down
  1. 2. decimals that end without repeating
  2. 3. the bottom part of a fraction
  3. 7. the top part of a fraction
  4. 10. used to find the gcf for 2 or more numbers (2 words, no space)
  5. 11. the bottom part of a fraction
  6. 12. the result of multiplying an even number of negative numbers
  7. 14. a number that includes a whole number and a fraction (2 words, no space)
  8. 15. adding zeros as place holders in a decimal expression
  9. 16. the direction a decimal moves when a number is divided by a positive power of 10
  10. 17. a number that has only 2 factors, 1 and itself
  11. 19. natural numbers, their opposites, and zero; these are the numbers on the number line, and they introduce negative numbers
  12. 20. having the same value
  13. 21. the result of multiplying/dividing the numerator AND the denominator by the same number (2 words, no space)
  14. 25. doing math operations to whole number estimates of numbers to see if your answer makes sense
  15. 26. when converting fractions to decimals, the denominator must be a _____ of 10
  16. 29. multiplication in disguise
  17. 30. when adding and subtracting fractions, the fractions must have a _____ (2 words, no space)
  18. 31. natural numbers and zero; they introduce zero (2 words, no space)
  19. 32. ratios that compare two integers; they are written as fractions and include terminating and repeating decimals (2 words, no space)
  20. 33. the top part of a fraction
  21. 34. rate of change; it is calculated as change in y over change in x (challenge)
  22. 37. shortcut used to find both the gcf AND the lcm for 2 or more numbers (2 words, no space)