You can multiply any two digit number by eleven in your head within seconds. This classic mental math shortcut removes the need for a calculator or written work.
To use this method, take your two digit number and separate the two digits. Next, add those two individual numbers together to get a new single sum. Finally, place that new sum directly between your original two digits to find your final answer.
For example, if you want to calculate eleven times thirty five, split three and five apart. Add three and five together to get eight. Place eight in the middle, giving you three hundred eighty five.
If the middle sum equals ten or more, simply carry the one over to the left digit. It is a quick and reliable trick that makes basic arithmetic feel like magic.
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Disclaimer: This video is for information and entertainment purposes, created using public educational sources, with visuals serving illustrative purposes.
