michellewin4599 michellewin4599
  • 14-09-2017
  • Mathematics
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How to use a number line to solve 235+123

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HD0304 HD0304
  • 14-09-2017
plot the point 123 on the line and go to the right 235 units.
because there is the big number, just draw the line begin with 123 to 400.
each unit might increase by 10.
123, 133, 143, etc
you can increase bigger if you want
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