Socrative: http://www.socrative.com/
Online and mobile student response program that allows the teacher to create assessments on the fly or use pre-set assessments and students provide answers on their mobile device.
STEP 2: Create a free account
STEP 3: Create Quizzes or use a paper quiz and simply create the room.
STEP 4: Share the room number with students.
STEP 5: Students login at m.socrative.com by entering the “virtual room number” provided by the teacher. Students will then see “Waiting for teacher to start an activity…”
STEP 6: Initiate the Quiz
STEP 7: As students respond you will see the results on your screen