Build number sense, addition fluency and autonomy with these TEN FRAME SUBITIZE TASK CARDS! Choose the correct number. 50 cards that get increasingly more difficult as they go. Each color is a different level.CLICK HERE TO PLAY A PREVIEW OF THE BOOM CARDSTo 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