Our Second workbooks use a phonics-based approach to teach five to seven-year olds familiar letter/sound combinations as well as simple sight words. Young learners can practice writing skills and write the alphabet in upper and lowercase letters as they are introduced to more useful vocabulary like (Up. Down. In, out. Big, small, tall, short, fat, thinCat, mouse, dog, zebra, rabbit, horse, cow, camel. apple, bananas, orange, lemon, mango, strawberry, grapes). It also includes fun, full-color activities teach children to write numbers 0-10 and recognize numbers 11-20.