Lexington High School Mathematics LHS Web Site 
Kevin Kelly Kelly Front Page  | Geometry | Calculus BC
e-mail: kkelly@sch.ci.lexington.ma.us 


Homework and announcements

Homework is generally posted on the day it is assigned. Assignments are due at the next class, unless otherwise stated. If an assignment is given in class but isn't posted here for whatever reason, you're still responsible for it.

Thursday, March 31, 2011

HW due Fri. 4/1

  • During class today: We did pp. 534-535 exercises 41-45 and 49-53.
  • Homework: On pp. 536-541, read Chapter 13 Lesson 2 "Cyclic Quadrilaterals" and do Exercise Sets I and II.
Tuesday, March 29, 2011

HW due Thu. 3/31

On pp. 530-534, read Chapter 13 Lesson 1 "Triangles and Circles" and do Exercise Set I.
Monday, March 28, 2011

Test Tue. 3/29

Test on Chapter 12: Circles.
Friday, March 25, 2011

HW due Mon. 3/28

  • In class, we proved two more theorems about secant and tangent lines. If you were absent, get the handout "More secant and tangent theorems" from FirstClass.
  • On pp. 523-526, do Chapter 12 review exercises 9-44 and 51-63.
Thursday, March 24, 2011

HW due Fri. 3/25

On pp. 516-521, read Chapter 12 Lesson 6 "Tangent Segments and Intersecting Chords" and do Exercise Sets I and II.

We have a Chapter 12 test upcoming on Tue. 3/29.
Monday, March 21, 2011

HW due Thu. 3/24

We'll have reduced homework for the next few days because most of you are taking the MCAS test. Both classes have this assignment due Thursday:
  • On pp. 510-515, read Chapter 12 Lesson 5 "Secant Angles" and complete Exercise Sets I and II.
B block class will have some time to begin the assignment in class on Monday, and must complete it at home before Thursday. G block class will have class time to work on the assignment both Monday and Tuesday; finish any remaining problems at home before Thursday.
Friday, March 18, 2011

HW due Mon. 3/21

On pp. 504-509, Chapter 12 Lesson 4 "Inscribed Angles":
  • During class, we did exercises 6-19, plus a proof of the 3rd case of the Inscribed Angle Theorem.
  • The homework is exercises 20-58.
Please remember to bring books to all classes next week. Because it's MCAS week, we'll be doing more exercises during class time.
Thursday, March 17, 2011

HW due Fri. 3/18

  • On pp. 491-496, Chapter 12 Lesson 2 "Tangents," do exercises 4-18, 24-34, and 46-53.
  • On pp. 497-503, Chapter 12 Lesson 3 "Central Angles and Arcs," do exercises 1-18, 23-29, 43-47.
Tuesday, March 15, 2011

HW due Thu. 3/17

On pp. 484-487, read Chapter 12 Lesson 1, and do Exercise Set I.
Monday, March 14, 2011

Test Tue. 3/15

In class Monday we worked on a set of review problems ("Trigonometry: practice and review" for B block, "Trigonometry: applications and review" for G block).

Tuesday there's a test on right triangles and trigonometry (Chapter 11 plus extra problems).
Friday, March 11, 2011

HW due Mon. 3/14

Homework:
  • B block: Handout problem set "More triangle solving and applications."
  • G block: Handout problem set "Circular trigonometry and triangle solving."
Both classes will have a test Tue. 3/15 on right triangles and trigonometry (Chapter 11 plus the extra problem sets).
Thursday, March 10, 2011

HW due Fri. 3/11 (B block only)

Handout problem set "Circular trigonometry."
Tuesday, March 8, 2011

HW due Thu. 3/10 (B block) or Fri. 3/11 (G block)

On pp. 468-474, read Chapter 11 Lesson 7 "The Laws of Sines and Cosines." Do exercises 12-50 and Set III.
Monday, March 7, 2011

HW due Tue. 3/8

Finish the handout problem set "Coordinate graphs and trigonometry."
Friday, March 4, 2011

HW due Mon. 3/7

On pp. 454-460, read Chapter 11 Lesson 5 "The Sine and Cosine Ratios" and do Exercise Sets I, II, and III.

(We will be skipping Chapter 11 Lesson 6 "Slope" as it's prerequisite knowledge, but review that lesson individually if you need to.)
Thursday, March 3, 2011

HW due Fri. 3/4

On pp. 448-453, read Chapter 11 Lesson 4 "The Tangent Ratio" and do Exercise Sets I, II, and III.
Tuesday, March 1, 2011

HW due Thu. 3/3

On pp. 441-447, read Chapter 11 Lesson 3 "Isosceles and 30-60 Right Triangles" and do Exercise Sets I, II, and III.