Digital Escape Rooms, Number and Operations in Base Ten - 3rd Grade: These 3 no-prep math escape rooms are fantastic ways to review all NBT standards in 3rd grade! Students love working together to solve the clues in these escape activities. The escape rooms are digitally controlled and are perfect for laptops, desktops, iPads, Chromebooks, and tablets of all brands and operating systems! No add-ons, extensions, or extra preparation is required: only the internet browser included on your device.