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Home / Maths Tricks  

Maths Tricks

 Multiply any two numbers from 11 to 20 in your head.  Multiply any two digit number with 11.
 Multiply any number from 1 to 10 by 9  Square a two digit number ending in five
 Square any two digit number  Multiply any number by 11 .
 Square a 2 Digit Number, for this example 37:  Finding 5 percent of any number
 Squaring numbers in the hundreds.  Squaring a number in the two hundreds.
 Squaring a number in the three hundreds  Squaring numbers in the four hundreds
 Squaring numbers in the five hundreds