Boom™ Cards are a great way for teachers to save time and energy! No longer need to prep printed materials with the new digital task cards! The best part is that these digital task cards are self-correcting! The student will get immediate feedback and you can also track student progress and take data!This product includes two levels for reading a ruler in length to use on Boom™ Learning. This product does include pre-recorded sound for directions and to help with identification. Take your Boom™