kids123 kids123
  • 14-09-2016
  • Mathematics
contestada

estimate than use the break apart strategy for 495+254

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ZeynepOzdemir
ZeynepOzdemir ZeynepOzdemir
  • 14-09-2016
Estimating 495 would be 500 and estimating 254 would be 300. Then just add them and you'll get 800.  
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