Unit 1 Vocabulary

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Across
  1. 1. a fraction where the numerator (top) is larger than the denominator (bottom number)
  2. 3. fractions that have the same denominator
  3. 8. dividing both the numerator (top) and denominator (bottom) of a fraction by a common factor until there are no common factors that will divide into both
  4. 9. a number with no fractional or decimal parts
  5. 10. the answer to division
  6. 12. fractions with different denominators
  7. 14. opposite of negative; the part of a number line right of zero
  8. 16. – The distance a number is from zero (positive version of a number)
  9. 17. the top number of a fraction
  10. 19. positive to negative or negative to positive
  11. 21. the smallest common denominator (like the least common multiple)
  12. 22. a number that has a whole number and a fractional part
  13. 23. the answer to a subtraction problem
Down
  1. 2. a number representing part of a whole; looks like a number on top of another number
  2. 4. technique used when dividing fractions. Keep the first fraction the same; change the division symbol to multiplication; flip the second fraction (use the reciprocal)
  3. 5. opposite of positive; the part of a number line left of zero
  4. 6. technique that allows subtraction problems to be changed to addition; the first number stays the same; the minus sign changes to an addition sign; the second number changes to its opposite (positive/negative)
  5. 7. graphic representation of numbers with positive numbers to the right (or above) zero and negative number to the left (or below) zero
  6. 11. the bottom number of a fraction
  7. 13. tools used to make sense of adding and subtracting integers; often using 1’s or +’s or Yellow circles for positives and O’s, –‘s or Red circles for negatives
  8. 15. the answer to addition
  9. 18. a positive or negative whole number (no fractions or decimals)
  10. 20. the answer to multiplication