When it comes to rating educational calculators, this calculator is always near the top of this list. Now it's available as an app. There is a lot of calculator power wrapped up in this app. Not only is this a fully functioning...

Statistics is all about making inferences! A lesson guide explains the meaning of inferences and how to use statistics to make them. The resource provides instruction as well as information about the topic on the AP® Statistics exam. 

English learners practice using the past tense by participating in a time description activity. They identify the differences between verbs when they are used to describe current events or past events. Students answer questions using...