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Published byRylan Nailor Modified over 2 years ago

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a b 0 Let a b be an unknown two digit number. a is in 10’s position and b is in 1’s position a b 1 1 a b a a+b b Multiplication of a two-digit number 11 +

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+ a b 0 a b 1 1 a b a a+b b a b ba+ba Paper & pencilMental math

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Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 6 8 2

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Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 11 =

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Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 11 =

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Multiplication of a two-digit number 11 a b ba+ba Mental math 6 2 11 = 11 = 429

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