Increase engagement and have some fun with these monster task cards! Easily differentiate with 2 levels of work ~ double digit and triple digit addition. Use the black and white version as a worksheet, print it in color and post around the room, or push it out to kids on their mobile devices. Kids can use the base-10 chart to solve using digits, tallies, base-10 pictures, or dots. This product also includes open ended task cards! These task cards allow for multiple solutions and a variety of strategies - great for fast finishers and to assess kids' depth of knowledge! The task cards are great for stations, independent work, bell ringers, and problem of the day activities.