Learners find the identity o sine, cosine and tangent. In this precalculus lesson, students solve and identify the different parts of a right triangle. They use the ratios of the Pythagorean Theorem to find the missing side or angle.

Students study the law of sine and cosine. For this pre-calculus lesson, students create a triangle and identify the different ratios of a non-right triangle. They use the properties of sine and cosine to solve.

Students solve equations containing variables on both side of the equal sign. In this algebra lesson, students combine like terms using opposite signs to get them on one side of the equal sign. They model the equations using bar models...

The Crusades sounds like a glamorous time period in the Middle Ages full of glory—but was it? Scholars find and review the truth of the Crusades' influence on the world through the resource. The study guides, separated individually by...

Have your English language learners review basic house-related vocabulary. This section focuses mainly on the different pronunciation between the letter v and b. Clear audio clips are provided, and many fun, interactive exercises are...

Trigonometry, art, and Valentine's Day come together in a creative activity about parametric equations. Learners calculate several equations before graphing them either by hand, on a graphic calculator, or Excel spreadsheet to curve...

A lesson challenges scholars to create a cinquain poem. Writers begin by choosing a topic and brainstorm details, then compose their original poem making sure to count syllables. 

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.

Positive and negative may be opposites, but what does that have to do with the words clean and filthy? Ask your pupils to consider word relationships as they complete the 10 analogies presented here. Note that the exercise gradually...

Accompany a Nativity lesson with a coloring book that details the birth of Jesus Christ through short readings, kid-friendly images, and Bible scripture. 

Bone-crusher. Troll-wife. Battle-sweat. Blood-worm. What study of Beowulf would be complete without offering readers of this Old English epic poem an opportunity to craft their own kennings and epithets? Provide individuals with a copy...

Many people think Cinco de Mayo is the celebration Mexican independence, but they're incorrect. Learn about the battle of Puebla and the victory of General Zaragoza with a short reading passage that includes comprehension and vocabulary...

Harper Lee's classic tale of Scout Finch's experience with prejudice and racism, To Kill a Mockingbird, provides the text for a 23-clue crossword puzzle.

Learners examine other number systems, particularly the binary number system. They discover how to convert from decimal to other base systems. Students analyze the advantages and disadvantages of using the coded decimals.

Students define the laws of sine as it relates to a right triangle. For this trigonometry lesson, students identify the properties of sine to help then find mixing sides of a right triangle. They also solve for the missing angles.

Tenth graders solve for missing sides on a triangle using the Pythagorean Theorem. In this geometry lesson plan, 10th graders are introduced to basic trigonometry functions as they solve problems of right triangles. They discuss the...

Pupils graph Taylor polynomials in this calculus lesson. They observe the graphs for the expansion of Taylor polynomial functions and use the Ti calculator to help create visuals of the graphs.

For this Archmides' method instructional activity, students determine the area of a regular n-gon inscribed in a circle.  They use sine and cosine functions to solve problems.  This three-page instructional activity contains 4...

Students investigate angles converting them from radians to degrees. In this trigonometry lesson, students work with angles and the six different trig ratios. They graph the functions representing each trig functions and identify the...

Young scholars apply the properties of a right triangle. In this triangle lesson, students describe and compare radians to degrees. They solve problems using the properties and ratios of a right triangle.

Students identify positive and negative angles using the Unit Circle. In this pre-calculus lesson, students identify the different angles on a unit circle using the coordinate plane and the four different quadrants as a guide. They...

Students identify trigonometric functions. In this trigonometry lesson, students add and subtract trigonometric functions. They add sine and cosine waves and relate it to the real world.

High schoolers discuss and develop graphic writing webs, writing supporting ideas for a given topic.

Students use the equation to calculate the vertical distance an object fall during 1 second in 1/10 second increments. (The acceleration due to gravity on the Earth=a= 9.8 m/s2) Using a graphing calculator, students plot the path of a...