How do we know if a graph represents either direct or inverse proportionality? We look for certain features of the graph and perform some test calculations to help us decide. Look at this graph: The ...

Connections are made to student understandings of proportion, ratio, and equal parts. Journal Information Mathematics Teaching in the Middle School (MTMS) is an official peer-reviewed journal of the ...

More decorators working on a job would reduce the time to complete the task. They are inversely proportional. If two quantities are inversely proportional, one increases as the other decreases at the ...