Concord Consortium
Sine Solution
How many times can eager mathematicians catch the waves? Pupils find the solutions of three different trigonometric equations. They then determine the effect of the slope of a line that intersects a trigonometric function and the number...
Humanities Texas
Primary Source Worksheet: Abraham Lincoln, Second Inaugural Address
Your young historians will be intrigued to read and analyze Abraham Lincoln's second inaugural address, which discusses the president's take on the causes of the Civil War and connections between the North and the South.