Answered

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Do you have good methods to calculate double digit multiplication quickly and mentally? Plzzz give me some good tips. WILL GIVE BRAINLIEST!!!!!

Sagot :

salukhalid

To multiply two 2-digit numbers without showing work, first multiply the ones digits together, then 'cross-multiply,' and finally multiply the tens digits together. Make sure to carry whenever a product exceeds 9. As you will see in the examples below, you must work your way from right to left to perform this trick.

HOPE IT HELPS !!!

Prohor

Answer:

You can use grid method.

That is easy.

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