Hip Hip Hooray! 4 Activity Book is a supplementary practice resource for young English learners at elementary level (CEFR A1–A2). It accompanies the Hip Hip Hooray! 4 course and provides additional activities to reinforce the vocabulary, grammar, and language skills presented in the Student's Book. The book uses engaging exercises, puzzles, matching tasks, and review activities to help children consolidate their learning while developing basic reading, writing, listening, and speaking skills.