Copy and complete each sequence below. Using words, not numbers, describe how the patterns work. (for example, write, “Double the previous number.”)
a. 1,3,6,10, __ , __
b. 1, 1/2, 1/4, 1/8, __ , __
c.1, 3, 9, 27, __ , __
d. 8, 7, 5, 2, 15, 21, __ , __
e. 49, 47, 52, 50, 55, __ ,__