Keisy9cgeldinoelle Keisy9cgeldinoelle

29-12-2016
Mathematics

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Jack broke apart 5 times 216 as 5 times 200 plus 5 times 16 to times mentally with stragety did jack use

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Joshtray Joshtray

29-12-2016

he expanded 216 into 200 + 16 and used 5 to multiply both 200 and 16 and then added them. This is expansion.
[tex]5*216=5*(200+16)=(5*200)+(5*16)[/tex]

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