8 animated slides, including title slide. Opener slide includes algebra review using 180 degree angles and perpendicularity. Lecture includes the definition of undefined terms, definitions and theorems. It also includes complementary and
7 animated slides. Opening problem is an intro and very loose proof to the right angles theorem. Lecture slides include the definition of a perpendicular bisector, the perpendicular bisector theorem, and its converse (the equidistance theorem). It
Opening slide reviews the angles in right, obtuse, and acute triangles. Lecture includes and introduction to medians and altitudes. Last slide is for students to try try to draw their own medians and altitudes. Slides are animated.
6 animated slides. Lecture includes an intro vocabulary. Also, the 4 different ways to make planes and 2 postulate about the intersection of lines and planes. Lastly, this ppt includes an activity for students that I find very helpful. Each
7 animated slides. Opener slide includes review of ratios and cross multiplying. Lecture includes the definition of ratios, proportions, means, extremes, and the geometric mean. It also includes the means-extremes theorem (cross-multiplying) and
6 animated slides. Opener slide includes review of straight and right angles. Lecture includes the definition of undefined terms, postulates, definitions and theorems. It also includes the conditional statements (if-then) and converse statements.
7 animated slides, including title slide. Opener slide includes using algebra to solve a word problem referring to complements and supplements. Lecture includes the properties of adding and subtracting segments and angles. There is an opportunity
Opener to lesson includes review of angles in right, acute, and obtuse triangles. Also, a short, hands-on proof of the base angles theorem for students to try on their own. Lecture includes introduction to base angles theorem, the converse of the
8 slide introduction to angle bisectors, angle trisectors, segment bisectors and trisectors, and midpoints. There are example applications with algebra. Also includes a challenge problems at the end for students to work on with partners or small
Quiz is a half sheet, front and back. It prints two sided, then you can cut in half. Assesses student understanding of exterior angle theorem, the 3rd angle theorem, congruent figures, and how to write congruency statements.