Montessori teaches concepts to children in a hands-on and practical way and these task cards are the perfect way for your upper elementary child to practice converting times between the 12-hour and 24-hour clocks. This resource includes 28 printable working task cards and 28 printable control/answer cards. The control/answer cards can be glued to the back of the working task cards to make an easy Control of Error for the child to check their own work. This allows the child to practice and ch