Multiply by 29 No Calculator Shortcut

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we start at the top and write 2 and add 3 for every line we go down:
29 * 1 = 2
29 * 2 = 5
29 * 3 = 8
29 * 4 = 11
29 * 5 = 14
29 * 6 = 17
29 * 7 = 20
29 * 8 = 23
29 * 9 = 26
29 * 10 = 29

Next, we start the bottom of the list. add on a 0 at the end, and for each line we go up, we add 1 more from the previous line
29 * 1 = 29
29 * 2 = 58
29 * 3 = 87
29 * 4 = 116
29 * 5 = 145
29 * 6 = 174
29 * 7 = 203
29 * 8 = 232
29 * 9 = 261
29 * 10 = 290