Question

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

Answer 1

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