Home > Math > Counting > Count the Numbers Advance > Finding Missing Number — 1-100 > Find The Missing Number - MondayFind The Missing Number – Monday ■Count the Numbers Advance■Finding Missing Number — 1-100 Want more content like this? Access over 6,000 exclusive items. Members only. $4.16/month when paid annually $8.99/month Mar 20, 20140 comments Find the missing numbers in the balloons in this octopus worksheet! Get it now!