Direct and to the point (the slope at a point that is) describes this one-page proof of the derivative of the sin(x). The definition of a derivative using a limit is the first step in this sequential, algebraic, explanation of how...

As learners build the "girders" of conversation by staying consistent on a particular topic, they avoid the "wrecking ball" of an off-topic comment. To help students develop this important conversation skill, this resource provides...

Learners practice remaining on topic during a conversation using printouts of chains as visual models for their work. Chains are placed in sequence while students stay on a shared topic of conversation, and a broken chain is used as...

You'll feel prepared and ready to begin your school week when you've considered the progression of your lessons on an hourly and day-to-day basis.