Mental Multiplication of a number  5 Given an unknown number, N What is N  5 = ? Let N = 2 6 8 2 6 8  5 0 4 41 3 3.

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Presentation transcript:

Mental Multiplication of a number  5 Given an unknown number, N What is N  5 = ? Let N = 

Mental Multiplication of a number   Paper & PencilMental Math  5 = (10  2)

Mental Multiplication of a number   Paper & PencilMental Math  5 = (10  2)  10 2

Mental Multiplication of a number   Paper & PencilMental Math  5 = (10  2)  10 2 =

Mental Multiplication of a number  5 Mental Math N  5 = N   5 =  5 =  5 = 2 5  5 =  5 =  5 =