Expanded Form

{"questions":[{"content":"What is the value of the digit 7 in 3,742?<br>[[input-1]]","widgets":{"input-1":{"type":"input","answer":"700"}},"hints":["The 7 is in the hundreds place."],"explanation":"Seven hundreds have a value of 700."},{"content":"Which is the expanded form of 508?<br>[[choice-2]]","widgets":{"choice-2":{"type":"choice","options":["500 + 8","50 + 8","500 + 80","5 + 8"],"answer":[0],"explanations":["508 contains 5 hundreds, 0 tens, and 8 ones.","","",""]}},"hints":["The zero shows there are no tens."],"explanation":"508 contains 5 hundreds, 0 tens, and 8 ones."},{"content":"What number is 6,000 + 300 + 40 + 2?<br>[[input-3]]","widgets":{"input-3":{"type":"input","answer":"6342"}},"hints":["Combine the thousands, hundreds, tens, and ones."],"explanation":"6,000 + 300 + 40 + 2 = 6,342."},{"content":"What is the value of the digit 2 in 2,915?<br>[[input-4]]","widgets":{"input-4":{"type":"input","answer":"2000"}},"hints":["The 2 is in the thousands place."],"explanation":"Two thousands have a value of 2,000."}],"mix":1}