Dajani Consulting conducted quantitative and qualitative data collection from 80 public schools in Amman, Zarqa, Irbid and Karak as part of Numeracy at scale study implemented by RTI, and funded by Bill and Melinda Gates Foundation. More than 25 quantitative enumerators and 3 qualitative researchers were trained and deployed to collect data from teachers and students in the early grades, using instruments uploaded to tablet devices as “Tangerine” application and platform designed for the study.