iCivics
Drafting Board: Interest Groups
Does the influence of interest groups harm a political system? Your class members will analyze the role of interest groups in American politics, as well as consider the effect of perspective, bias, loyalty, and the...
EngageNY
Informal Proofs of Properties of Dilations
Challenge the class to prove that the dilation properties always hold. The lesson develops an informal proof of the properties of dilations through a discussion. Two of the proofs are verified with each class member performing the...