Jean adds 35 and 9. How can she solve using only equations to model her thinking?

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asked May 11, 2019 225k views

1 Answer

Tomasz Janek · Answer 1 · 2019-05-16T19:56:56+0000

since she only has a two digit number and a one digit number she will be able to create one or two equations.

35+9=44
Or she may want to break up the two digit number into two or more parts, for example: (5×6) + (1×5) + 9 = 44 or (7×5) + 9 = 44

Jean adds 35 and 9. How can she solve using only equations to model her thinking?

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