Unit 1 Vocabulary

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Across
  1. 3. fractions that have the same denominator
  2. 5. the answer to a subtraction problem
  3. 6. the answer to division
  4. 8. the smallest common denominator (like the least common multiple)
  5. 11. a positive or negative whole number (no fractions or decimals)
  6. 12. the bottom number of a fraction
  7. 13. opposite of positive; the part of a number line left of zero
  8. 14. 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)
  9. 18. – The distance a number is from zero (positive version of a number)
  10. 19. fractions with different denominators
  11. 20. the top number of a fraction
  12. 21. 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
  13. 22. a number that has a whole number and a fractional part
Down
  1. 1. opposite of negative; the part of a number line right of zero
  2. 2. graphic representation of numbers with positive numbers to the right (or above) zero and negative number to the left (or below) zero
  3. 4. a fraction where the numerator (top) is larger than the denominator (bottom number)
  4. 7. a number representing part of a whole; looks like a number on top of another number
  5. 9. the answer to multiplication
  6. 10. technique used when dividing fractions. Keep the first fraction the same; change the division symbol to multiplication; flip the second fraction (use the reciprocal)
  7. 15. 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. 16. a number with no fractional or decimal parts
  9. 17. positive to negative or negative to positive
  10. 21. the answer to addition