Now, HOW TO DIVIDE INTO EQUAL PIECES WITHOUT A CALCULATOR
For example this green paper is 5 1/2" square & you want to divide it into 3 equal strips.
Hold the beginning of the ruler (0") against the top left corner of the paper. Find a number larger than the length of the paper that is divisible by 3; that's 6.
#1. Slide the right side of the ruler down until the 6" mark is flush with the paper edge.
6 % 3 is 2, so make a dot on the paper every 2"; at the 2" & the 4" spot.
#2. Slide the…