squinchy squinchy
  • 20-05-2016
  • Mathematics
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show a way to count from 170 to 410 using tens and hundreds. circle at least 1 benchmark number

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VenusRetrograde
VenusRetrograde VenusRetrograde
  • 20-05-2016
Okay, so we start at 170

170

then we add 30 to reach the number 200

170+30=200

then we add 200 to reach the number 400

200+200=400

then we add 10 to reach 410

400+10=410

The benchmark numbers are bolded...
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