Seudónimo Seudónimo

01-09-2015
Mathematics

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explain how you could use the distribute property and mental math to find 5 times 198

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padawancaleb padawancaleb

01-09-2015

Multiply 100 times 5 in your head to get 500,

100 * 5 = 500
90 * 5 = 450
8 * 5 = 40
Put those 3 together into one equation, \/
(100 * 5) + (90 * 5) + (8 * 5) = 990 OR (100 * 5) + (98 * 5) = 990
depends on how distributed the teacher wants it to be.

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Mi nombre es Juana y trabajo en mi oficina desde las ocho de la mañana a las cinco de la tarde con una calculadora. También uso una computadora. Me gusta mucho