ericaramirez988 ericaramirez988

26-10-2020
Mathematics

contestada

Which strategy can you use to find the sum?
9 + 6 =

Respuesta :

26katser 26katser

26-10-2020

Step-by-step explanation:

Make a 10 strategy?

Answer Link

blueberry392 blueberry392

26-10-2020

Make a 10 strategy

So,

9+6=9+(3+3)
=(9+3)+3
=12+3
=15

I think that’s how it works.

Answer Link

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