4th grade study guides with QR codes! This foldable bundle of 32 Social Studies, Science, ELA, and Math QR code study guides is awesome for test prep and review! Each of the 4th grade study guides has 10 vocabulary words with definitions & descriptions. With an iPad or Smartphone, the QR codes link each Science, ELA, Math, or Social Studies vocabulary word to a labeled image of the described term. Perfect for visual learners, ELLs, and engaging 21st Century learners! The QR codes link studen