Multiplication tricks
Answers
Answer:
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Tricks by Number
#add the number to itself (in other words, double it) Example 2×9 = 9+9 = 18.
#double. then double again..
#Cut in half, then times 10. ...
#when you multiply 6 by an even number, they both end in the same digit. ...
#7×8. ...
#Double, double, double! ...
#is 10× the number minus the number. ...
#put a zero after it.