Thursday, May 23, 2013

Right Triangle Trigonometry

Our last unit of the year is about using the similarity of right triangles to find information.  It is the beginning of all you can do with the topic of Trigonometry (you would be amazed at how useful this topic is in all branches of math and science).  We don't have a lot of time for this unit so we are only covering selected sections of chapter 9.

5/27  Memorial Day

A:  5/28    F:  5/24    9.06  Getting Started
                                 CW p.737-738/1-4   HW p.739-740/5, 7-11, 13
                                 (note: on problems 9 & 10, use the fact that you could do it if it was
                                           30 degrees but 27 degrees is less steep)
A:  5/29    F:  5/29    9.07  Special Right Triangles
                                 CW p.742-743/1-5   HW p.744-745/2-14
A:  5/30    F:  5/30    9.08  Sine, Cosine, Tangent (and their inverses)
                                 CW/HW p.749-751/2-18
A:  6/03    F:  5/31    9.09  Area of non-right triangles
                                 CW p.756/1-5   HW p.757-759/6-9, 12-19
A:  6/04    F:  6/03    Review (download worksheet with answers)
                                 CW p.759/21 and p.760/1-6

6/05  Trig Quiz

Wednesday, May 8, 2013

Similarity

We will study Similarity - a branch of mathematics dealing with scaling.  (If I get a photograph enlarged, it will be similar, just bigger.  A scale model of a building is similar, just smaller.)  Most of the material will come from chapter 7 with a few pieces from chapter 8.  Due to MCAS, the schedule is laid out explicitly for both sections

A: 5/09    F: 5/10    7.08  Ratio and Parallel
                               HW p.568-570/4, 6, 8-13
A: 5/14    F: 5/13    7.08 & 7.14  Ratio and Similarity
                               HW p.598-599/2-10
A: 5/15    F: 5/15    8.05, 8.07, 8.09, 8.10  Circle and Sector Area, Arc Length, Inscribed Angles
                               HW p.646-648/1-4, 6, 10  and  p.658-660/1, 2, 8-10, 12, 13  and
                                      p.669-672/1-5, 7, 8, 12, 14  and  p.677/1, 3-5
A: 5/16    F: 5/16    7.15  Similarity Shortcuts (AA, SSS, SAS)
                               HW p.606-607/7-13
A: 5/20    F: 5/17    7.15  More Practice using Proofs
                               HW p.605,607/1-3, 5, 6, 15
A: 5/21    F: 5/20    7.16  Similar Area and Volume
                               CW/HW p.611-612/1-12
A: 5/22    F: 5/22    Review (answer key)
A: 5/23    F: 5/23    Similarity Quiz

5/13  Math MCAS Day 1  (C E F D B)  <-- Lost an A-Block!
5/14  Math MCAS Day 2  (A G H B)