Keep a vocabulary record. Write the word in Spanish, its translation, and a sentence using the word. It is easier to learn new vocabulary within a given context. Complete ALL the activities in the manual before your weekly quiz. Repeat, repeat, repeat.
Repetition is how children learn a language.
Get a friend with whom you can practice daily what you are learning in class. Do NOT be afraid to make mistakes. Take advantage of your classmates' input. Participate and encourage others to do so.