A complete unit about elapsed time for grades 3 and 4 with direct instruction to the student, ample practice problems and word problems. Common Core aligned. Great for independent practice/homework. The first two lessons, How Many Minutes Pass and More on Elapsed Time, provide lots of visual aids (clock faces) for the children to be able to figure out how much time passes.Next, in the lesson Elapsed Time in Minutes, we continue to practice the concept of elapsed time, only now the starting/end