nana909
nana909 nana909
  • 10-11-2015
  • Mathematics
contestada

Rick says to find 2 x 5, he can use counting by 5's: 5, 10, 15, 20, 25. Explain what he did wrong.

Respuesta :

CF0109 CF0109
  • 10-11-2015
Technically what he did could work, because 2 * 5 can be changed to 5 + 5 which you can get to by counting 5's.
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Аноним Аноним
  • 10-11-2015
2x5 can be changed to 5 plus 5
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