4 digit multiplication into 4 digit multiplication math trick
nikhil129:
I cold not under stand your question
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the criss-cross multiplication technique to multiply any 4 digit numbers. As you know, the number of steps when multiplying any 4-digit numbers is 7.
Let us consider a simple example 3215 x 4231.
The step-by-step procedure can be explained with the following figure:

Notice the carry-forward in each stage of the multiplication. I hope, The steps are self – explanatory. Notice the additional steps compared to 2 x 2 and 3 x 3 multiplication.
Let us consider a simple example 3215 x 4231.
The step-by-step procedure can be explained with the following figure:

Notice the carry-forward in each stage of the multiplication. I hope, The steps are self – explanatory. Notice the additional steps compared to 2 x 2 and 3 x 3 multiplication.
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Answer:
10,900 ten thousand nine hundred multiplication
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