They are the origins of the names of each day of the week.
Sunday – Sun day. Monday – Moon day. Tuesday – Tiw’s or Týr’s day, the god of single combat, son of Odin. Wednesday – Woden’s or Odin’s day, god of poetry and of the dead. Thursday – Thor’s day, god of thunder, son of Odin. Friday – Frigg’s day, goddess of the clouds, wife of Odin. Saturday – Saturn’s day, god of fertility and agriculture.
Mrs. Shine was having a rough day and wanted a break. So she asked her class to calculate the sum of the first 50 odd numbers. In a few moments, Winifred was at her desk with the correct answer of 2,500. Stunned, Mrs. Shine figured she must have gotten lucky, and sent precocious Winifred back to her seat with the task of finding the sum of the first 75 odd numbers. Again, Winifred returned in seconds with the correct answer (5,625).
A traffic light. It has three “eyes” (the red, orange and green lights) and the leg is the pole holding it up. Many people beg the light to stay green as they’re approaching.