MrsTinson MrsTinson
  • 04-10-2016
  • Mathematics
contestada

how do I use a number line to multiply a two digit number by 20

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JessicaGhibliLover
JessicaGhibliLover JessicaGhibliLover
  • 04-10-2016
just multiply the two digit number by two and add a zero at the end. using a numberline, just go twice as much and then add a zero, starting from zero.
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