Test Thurs-Fri, Oct 18-19, topics attached, 70 pts.
Except for 3rd period, a 4 pt grade was taken over the textbook work listed at the bottom of the previous investigation - HW #17. (This included your work on your investigation.) The investigation should be kept in the "in class" section of your notebook. Make sure you got your Geometric Truth caught up using instructions from the investigation (concurrent lines, circumscribed circle, C-9-11 (they are concurrent... copy sketches from bottom of investigation page).
Make-up issues from the quiz were addresses. 0B got to do their bonus.
We used the investigation to add the concept of inscribed circle (as shown in the attachment below). Also showing on this page are C-12 and C-13. The circumcenter is equidistant from the vertices of a triangle. The incenter is equidistant from the sides of the triangle. These conjectures allow us to construct the circumscribed and inscribed circles. We also defined and sketched "inscribed circle" (p 67 of new book).
We then did an investigation about the medians of a triangle intersecting at a point (called the centroid) and wrote up C-14-16 to go with the cardstock triangle as a sketch (pp 190-192). An example is attached below.
We went over homework. Templates were passed out for 1-3 on p 175-6. Questions answered.
After finishing the investigation and conjectures 14-16, students did p 179-180: 1-7 (old textbook). This means you have already done part of HW #18 for A day students.
HW #18 - p 163:13-14, p 183:13-17, p 186:1-6,10 (you probably did 1-6 in class), p 193:2-6.
For B day students: p 186:1-6 (if not done in class), p 193:2-6, pp 196-8: 1,5,8-25, 27, 28. (this is the unit review for everyone).
On p 186:1-4, you only need to answer with one word... either circumcenter or incenter.
As always, I suggest using mathopenref constructions. Link on my resources page if you cannot find it.
Except for 3rd period, a 4 pt grade was taken over the textbook work listed at the bottom of the previous investigation - HW #17. (This included your work on your investigation.) The investigation should be kept in the "in class" section of your notebook. Make sure you got your Geometric Truth caught up using instructions from the investigation (concurrent lines, circumscribed circle, C-9-11 (they are concurrent... copy sketches from bottom of investigation page).
Make-up issues from the quiz were addresses. 0B got to do their bonus.
We used the investigation to add the concept of inscribed circle (as shown in the attachment below). Also showing on this page are C-12 and C-13. The circumcenter is equidistant from the vertices of a triangle. The incenter is equidistant from the sides of the triangle. These conjectures allow us to construct the circumscribed and inscribed circles. We also defined and sketched "inscribed circle" (p 67 of new book).
We then did an investigation about the medians of a triangle intersecting at a point (called the centroid) and wrote up C-14-16 to go with the cardstock triangle as a sketch (pp 190-192). An example is attached below.
We went over homework. Templates were passed out for 1-3 on p 175-6. Questions answered.
After finishing the investigation and conjectures 14-16, students did p 179-180: 1-7 (old textbook). This means you have already done part of HW #18 for A day students.
HW #18 - p 163:13-14, p 183:13-17, p 186:1-6,10 (you probably did 1-6 in class), p 193:2-6.
For B day students: p 186:1-6 (if not done in class), p 193:2-6, pp 196-8: 1,5,8-25, 27, 28. (this is the unit review for everyone).
On p 186:1-4, you only need to answer with one word... either circumcenter or incenter.
As always, I suggest using mathopenref constructions. Link on my resources page if you cannot find it.
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