Today we talked about proportions and percentages. We did this workshop in class:
If you want more practice, take a look at the sections on Percents and Proportions in the online textbook. There are exercises at the end of the chapter.
Today we talked about factors and units. With did this workshop in class:
Our textbook uses the name dimensional analysis for what we called factor-label method in class, but it is the same thing. You can see more examples in the Problem Solving and Estimating section of the online textbook.
Today we talked about orders of magnitude and a little about scientific notation. We did the following workshop in class.