Seudónimo Seudónimo
  • 30-09-2016
  • Mathematics
contestada

use mental math strategy to find 4,290+3,602. explain how to check your answer using a different strategy

Respuesta :

josiah168
josiah168 josiah168
  • 30-09-2016
When you add them together its 7,892. to check your answer subtract 4,290 (or 3,602) from 7,892 to get one of the addends
Answer Link
Аноним Аноним
  • 30-09-2016
The answer is 7,892. To use a different strategy to see if you are right you can use the sum of the problem and let's say subtract 4,290 you should get 3,602
Answer Link

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