Move the acorns to find the missing part. Type the number to check your answer.Like this Boom Deck? Check out this forest and acorn themed Boom Deck Bundle!Official Information from Boom Learningâ„ To use Boom Cards, you must be connected to the Internet. Boom Cards play on modern browsers (Chrome, Safari, Firefox, and Edge). Apps are available for Android, iPads, iPhones, and Kindle Fires. For security and privacy, adults must have a Boom Learning account to use and assign Boom Cards. You will be