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Round to nearest 10 or 100 on the number line

Problem

What is A rounded to the nearest ten?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
What is A rounded to the nearest hundred?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi
A vertical number line labeled 600 to 700 with tick marks at every 5 units. The tick marks at 600, 610, 620, 630, 640, 650, 660, 670, 680, 690, and 700 are labeled. A red circle labeled A is between 630 tick mark and 640 tick mark.
Stuck?
Stuck?