Free word family readers - these phonics books are great for kids just learning to sound out words!
Free spelling mats for short o -- use the printable milk cap letter patterns or just write on the milk caps with a Sharpie
picture perfect writing. Students find a picture from a magazine and then write the different types of sentences about the picture. I would take this up a notch for my fourth graders by having them write declarative, exclamatory, ect. sentences or even a paragraph.