Rational numbers

Practice sheet

Fresh questions from the whole chapter, to do on paper.

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  1. Which number is greater: −5-5 or −12-12?
    1. −5-5
    2. −12-12
    3. They are equal
  2. Compute ∣−4∣+∣10∣|-4| + |10|.
  3. How far apart are −7-7 and 66 on the number line?
  4. What is the distance between (9,1)(9, 1) and (9,−5)(9, -5)?
  5. What is the distance between (−2,1)(-2, 1) and (9,1)(9, 1)?
  6. In which quadrant is the point (−9,5)(-9, 5)?
    1. Quadrant II (left, up)
    2. Quadrant I (right, up)
    3. Quadrant IV (right, down)
  7. What is the greatest common factor of 12 and 30?
  8. What is the least common multiple of 18 and 30?
  9. Juice boxes come in packs of 5 and straws in packs of 7. What is the smallest number of each you can buy so that the numbers match?