Start a 10-Day Free Trial to Unlock the Full Review
Why Lesson Planet?
Find quality lesson planning resources, fast!
Share & remix collections to collaborate.
Organize your curriculum with collections. Easy!
Have time to be more creative & energetic with your students!
In this proofs worksheet, 10th graders solve and graph 8 different equations. First, they prove that each triangle is either congruent or similar. Then, students use the concept of corresponding parts of congruent triangles to solve each proof.
3 Views 0 Downloads
Accelerated Geometry Review Sheet
Your geometry learners use their knowledge of various geometric concepts to write proofs. Starting with givens containing parallel line segments with transversals and triangles and quadrilaterals, and the mid-point and distance formulas;...
8th - 10th Math CCSS: Adaptable
Congruence, Proof, and Constructions
This amazingly extensive unit covers a wealth of geometric ground, ranging from constructions to angle properties, triangle theorems, rigid transformations, and fundamentals of formal proofs. Each of the almost-forty lessons is broken...
8th - 10th Math CCSS: Designed
Comparing the Ratio Method with the Parallel Method
Can you prove it? Lead your class through the development of the Side Splitter Theorem through proofs. Individuals connect the ratio and parallel method of dilation through an exploration of two proofs. After completing the proofs,...
9th - 10th Math CCSS: Designed
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
Flippin' Proofs Parallel Lines Project
Learners will "flip" for this creative way to practice writing and explaining two-column proofs about parallel lines. As they create their masterpiece, young geometers are led to consider overall proof characteristics as well as...
10th - 12th Math CCSS: Adaptable
Proof of the Pythagorean Theorem Using Transformations
Middle and high schoolers construct a triangle using Cabri Jr. They construct squares on each of the legs and hypotenuse of the triangle. Pupils show that the area of the squares on the leg equal the area of the square on the hypotenuse.
9th - 12th Math CCSS: Designed