The colour nouns, which is what you use for "the red one" — the adjective forms are on the い-adjectives sheet — and the basic shapes. Read each word aloud with its reading, then write it once on the line — in kana if you cannot yet write the kanji.
Cover page 1. Write the Japanese for each meaning (kana is fine), then write what each word in part 2 means. Page 1 is the answer key.