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* 12 First 2*4, write an 8 below the 2. Now 2*8, see where I am going with this? Write the 6 below the 1. Carry the one above the 2. 2*2+1. Write the 5 below the *. Now x out the bottom 2 and the 1 that you carried. Always add a zero in the ones place, do this now. Now do 1*4 and put the 4 below the last eight that you wrote. Now 1*8, then 1*2. Now you have made 2 numbers. Add both of the numbers, if you did it right, the sum is the answer.