Let's find a way to determine how many there are. Given a diagram of trees on a plantation, pupils devise a way to estimate the number of old and new trees. Using their methods, learners create estimates for the number of the two types...

Ask your algebra learners to write an equation that has unit constraints. This commentary talks about the constraints, but does not show them in the equation. It is important that your mathematicians understand that the units apply to...

In this verb forms worksheet, students complete a 10 question multiple choice on-line interactive verb exercise. Students choose the best verb to complete each sentence.

[Free Registration/Login Required] Students examine a photograph of former slave quarters in Georgia and answer questions about the living conditions of slaves. They will also observe how the fact that the photograph was taken decades...