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Traditional Multiplication. Step-by-Step Review. Traditional method 21 x 13 = ?. 3 x 1 = 3 write down the 3. 6. 3. 3 x 2 = 6 write down the 6. 10 x 1 = 10 write down the 10. 2. 1. 0. 1 x 2 = 2 write down the 2. 3. 7. 2. Add the numbers. Traditional method 45 x 34 = ?. 1. 2.
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Traditional Multiplication Step-by-Step Review
Traditional method 21 x 13 = ? 3 x 1 = 3 write down the 3. 6 3 3 x 2 = 6 write down the 6 10 x 1 = 10 write down the 10 2 1 0 1 x 2 = 2 write down the 2 3 7 2 Add the numbers
Traditional method 45 x 34 = ? 1 2 4 x 5 = 20 write down the 0, carry the 2. 1 8 0 4 x 4 = 16, add 2 write down the 18 30 x 5 = 150 write down the 50, carry the one 1 3 5 0 3 x 4 =12, add the 1, write down the 13 3 3 5 1 Add the numbers