Are you looking for a way to have raise your students' understanding of subtraction through higher level thinking? Well look no more! This is a set of daily number riddles all based in addition that can be used every day of the calendar because the answers for each riddle are equal to that day's date (i.e. 42 - 11= the 31st of the month). There are so many variations on this math ideas so check out this full packet! Have fun!