![]() ![]() Write the problem, like 4 x 9, on the front and the answer, 36, on the back. Have your child make a set of flash cards.Spice it up for the both of you with games and contests. By this point, you both may be wondering what those squiggles in each number really are. Add the double digit number together and put it in the middle: 187. Take the double digit number and split it up. If your child is a math genius, teach them this trick to multiply 11's by double digit numbers.The answer is in the question, just twice. To multiply anything by 11, just duplicate the number.Use this to make the answer become automatic. Just double the number and double it again! Take 6x4. If your child can double a number, the x4's will be easy.This works all the way up to 9x9 (8 and 1. For 9x2, put your second finger down (the left ring finger). Spread them all in front of you, palms down. To memorize the 9's tables, use your fingers. ![]() Teach your child these tricks and they'll be impressed and, hopefully, quite thankful. ![]()
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