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Find 32 x 46, multiplying from Right to Left
Find 36 x 42, mentally from left to right
What is the total obtained in the crosswise step in finding 38 x 57?
Use the vertical/crosswise pattern to find (3x + 4)(2x + 3)
Given 34 x 56 = 1904 what will be the corresponding digit sum check?
Divide 3431 by 73 by reversing the vertical/crosswise pattern
Use the vertical/crosswise pattern to find the remainder when 3819 is divided by 53.
Divide (8x^2 + 30x + 27) by (4x + 9) by using the vertical/crosswise pattern in reverse
Use the base method to find 89 x 92 mentally
Use the base method to find 132 x 104 mentally 
Use the base method to find 107 x 97
In using a base of 100 to find 78 x 79 what is the value of the carry figure from the right side to the left side? 
Find 206 x 109 using a base of 100, and doubling & halving 
Find 306 x 309 using a base of 300
Which of these can be used to find 45 x 48 (more than one answer here):
Which equation corresponds to: “I think of a number, and double it and add 5 and get 19” 
Solve 7x – 8 = 34 mentally 
Solve 5x – 8 = 2x + 4 mentally 