You have to figure out a rule. That rule is to add by 0.125, 0.125 + 0.125 = 0.25 where 0.25 is the next number. 0.25 + 0.125 = 0.375 where 0.375 is after 0.25 in the pattern. 0.375 + 0.125 = 0.5. 0.5 is the number that goes next in the number pattern.
