Show how to multiply 6 x 298 using friendly numbers and then use properties and mental math.

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24-10-2017
Mathematics

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Show how to multiply 6 x 298 using friendly numbers and then use properties and mental math.

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Kalahira Kalahira · Answer 1 · 2017-11-04T13:47:00+01:00

Kalahira Kalahira

04-11-2017

6 x 298 is the same as (6 x 300) - (6 x 2) (6 x 300) is the same as (6 x 3 x 100) So (6 x 3) = 18 (6 x 3 x 100) = (18 x 100) = 1,800 (6 x 2) = 12 So 6 x 298 = 1,800 - 12 = 17,88

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