Triangles and Quadrilaterals
For this polygon worksheet, students classify triangles and quadrilaterals according to their characteristics. This one-page worksheet contains 5 multiple-choice problems.
7th - 9th Math 3 Views 14 Downloads
Criteria for Triangle Congruence
This is an excellent lesson plan for exploring the criteria for triangle congruence and teaching to the Common Core. After a review of the definition of congruent triangles, students work in small groups to rotate through six stations....
9th - 12th Math CCSS: Designed
New Review The Trigonometric Functions
This extensive chapter gives learners a new angle on that old geometry favorite, trigonometry. From the unit circle to right triangles, the role of trigonometric ratios is explored through explanation of theory and working application...
9th - 12th Math CCSS: Adaptable
New Review The Mathematical Secrets of Pascal’s Triangle
This modern animation and discussion of the ancient secrets of Pascal's triangle manages to be topical, engaging, and mathematically deep all at the same time. A great introduction to the power of number theory across multiple math...
5 mins 7th - 12th Math CCSS: Adaptable
Proofs into Practice: The Pythagorean Theorem in the Real World
As an introduction to the lesson, learners verify the Pythagorean theorem with a hands-on proof. Then, pupils use the theorem to determine whether three side lengths could form a right triangle and choose one of two real-life situations...
8th - 12th Math CCSS: Designed