June 10, 2014

Answer Key for Final Exam Review Packet

1.       A

2.       C

3.       B

4.       C

5.       C

6.       A

7.       A

8.       B

9.       B

10.   B

11.   B

12.   D

13.   C

14.   B

15.   D

16.   B

17.   A

18.   C

19.   D

20.   A

21.   B

22.   A

23.   D

24.   A

25.   A

26.   A

27.   D

28.   B

29.   C

30.   A

31.   D

32.   B

33.   B

34.   B

35.   C

36.   D

37.   D

38.   D

39.   D

40.   B

41.   C

42.   A

43.   B

44.   B

45.   C

46.   D

47.   A

48.   A

49.   C

50.   B

51.   C

52.   D

53.   B

54.   A

Short Answer See Pictures below

June 9, 2014

Today in class I reviewed questions students had from the final exam review packet. I passed out 3x5 index cards which the students will be able to use on the day of the final exam.

There will be a final notebook check on the day of the final exam.

- packet p. 509 #8,9,11-14
- packet p.499-500 #1-5
- packet p. 489 - 490 #3-6 p. 491 #1-3

Each assignment is worth 10 points if stamped and 5 points if not stamped. I will be collecting notebooks and assigning credit to these assignments on the day of the final exam.

June 6, 2014

Students were taught how how to calculate what grade they will need to earn on the final exam to earn a specific letter grade for the semester.

I distributed the final exam review packet and students worked on it in class.

Homework: Complete as much of the final exam review packet as possible and come to class on Monday prepared with questions.

June 5, 2014

Today students took the final quiz for the statistics unit. I will be distributing the final exam review packet tomorrow and students will be spending time in class and at home preparing for this exam that will make up 20% of their overall grade.

No new homework tonight. Missing assignments can be turned in by tomorrow for half credit.

June 4, 2014

Today students learned how to use two - way frequency tables to organize and display categorical data. Students also analyzed two - way tables to determine if two categorical variables are associated or independent.

Classwork: p. 503 - 505 #1-6

Homework: p. 509 #8,9,11-14

June 3, 2014

Today in class students learned how to make paired comparisons using a five number summary of data sets. Students also used a box and whiskers plot to display data to be interpreted.

Homework: packet p. 499-500 #1-5 (use data from the 30 second timed exercise we did a couple of weeks ago)

May 30, 2014

Today students worked on developing their understanding of how different representations (frequency table, dot plot, histogram, etc.) affect how you interpret data.

Homework: p. 489-490 #3-6 p. 491 #1-3

May 29, 2014

Today students took a quiz.

Homework: p. 488 read and answer #1-2.

May 28, 2014

Homework: p. 486-487 #5-11 (skip 7 & 8)

You have a quiz tomorrow and must understand how to each of these problems. 

Answer Key for p. 484 – 487 #s 1 – 11 (skip 7 and 8)

1. Subtract the mean from each element in the data set, then add all the difference to get a sum of            zero. This verifies the mean of 74 is the balancing point. 

     a.    Answers may vary. Sample: Add 20 points to five different scores

     b.   Answers may vary. Sample: Change the top 11 scores to 100.

2. B

3. 3 x  

4. a. Subtract 1 from every element in the set. The mean and the median will also be 1 less. 

        b. Add 10 to every element in the set. The mean and the median will also be 10 more. 

5. a. 10, b. 5, c. -10, d. 289 

6. D

9. a. 0, 

        b. 0, 

        c. This exercise shows that if you take the differences of the mean of a  data set and each data     

point in the set, then add them all together, the sum is 0. 

   10. no

   11. D

May 27, 2014

Today in class students learned to determine how meaningful mean, median and mode are for a set of data. They also interpreted data lists and frequency tables.

Homework: p. 484-485 #1-4

To determine the "balancing point"you must subtract the mean from each number in the data set. You then add all those differences and should get zero to show that the mean is the "balancing point." I will post a picture of an example on Instagram. I am having difficulty posting it here to the blog today.

May 23, 2014

Today students did an in class activity where they were given a set of test scores and needed to determine the mean and median. Then students needed to adjust the numbers to have a higher mean while maintaining the old median. Then students needed to adjust the median of the original set of numbers while keeping the same mean. Students shared their different methods to the solution.

Homework: Answer the following questions in your Cornell Notebook. You may use the Internet or any other source to help you answer the following two questions:

1. What characteristics of a data set affect each measure (mean, median, mode)? For example, an outlier is a characteristic that affects the mean.
2. In what situations would one average (mean, median, mode) be more meaningful to use than the other average(s). (Remember the example I gave today in class about my boss wanting to know my class average and which average I would choose to tell him). Give an example of when it is best to use the mean, when it is best to use the median and when it best to use the mode. Be very specific.

May 22, 2014

Today students learned when it is most appropriate to use mean, median or mode to support a claim they are trying to make.

Students also determined how to change the median in a large data set to manipulate the median value.

Homework - p. 481 #1-2 (Period 6 needs to complete #7c)

May 21, 2014

Today in class students analyzed data to make conclusions to support a claim. (#2 from the packet).

Homework: p. 479-480 #3-8. Must show all work in your Cornell Notebook

May 20, 2014

Today students took a test on the Geometric Mean. I introduced the new unit on statistics. All students were given a packet that they will need for the remainder of the school year. We collected data for an experiment we will complete in class tomorrow.

Homework: packet p. 478 #2. Be sure to read the prompt at the bottom to complete the writing assignment.

May 19, 2014

Today students worked in groups to prepare for the test they will have tomorrow on Geometric Mean. Today I also conferenced with students about grades.

Homework: Complete "Worksheet on Geometric Mean" and be prepared for tomorrow's test. Below is the answer key for you to check your work.

 

PLEASE NOTE THERE IS A MISTAKE FOR #16 THE ANSWERS ARE X = 12, Y = 6 ROOT 5, Z = 3 ROOT 5

May 16, 2014

Today -

Periods 3 & 4 - Completed "Practice 7-4" and Textbook p. 394 # 1-24. You will have a test on Monday which will consist of similar problems from p. 394

Periods 6 & 7 - Completed "Practice 7-4" and got a second stamp when completed with 100% accuracy. You will be checking your answers for p. 394 #1-24 on Monday and getting a test review for your test on Tuesday.

May 14, 2014

Today in class students deconstructed the diagram we created on Monday. We used this to help us answer questions from last night's homework assignment and continued to develop our fluency of using the geometric mean.

Homework: Textbook p. 394 #1-24

May 13, 2014

Today in class I stamped the notes student took from the video on finding the Geometric Mean.

We continued with notes on finding the geometric mean using parts of a right triangle.

Homework: Workbook p. 385 "Practice 7-4" all problems.

Answer Key for Chapter 7.1-7.3 Review Packet

May 7, 2014

Today I distributed the Chapter 7 Test Review Packet and students worked on it all period. I will be on campus tomorrow in a professional devleopment and will have a sub. I will leave the answer key with the sub and Mrs. Maldanado will be available to help students.

I will post the answer key after school tomorrow here on my blog.

You can comment here with any questions you have form the review packet or email me with a question at mrsbrown.s@gmail.com

May 5, 2014

Today we reviewed the homework from the weekend. I returned quiz 7 and reviewed the answers. Students can retake the quiz until Wednesday after school. Students worked on the posters tomorrow. Groups will be given 15 minutes tomorrow to finish their posters in class, then turn them in.

Homework: Watch the video on phschool.com web code bce-0704 and take Cornell Notes. Prepare three questions on things you are not clear about from the video or three questions to write in the margin of your Cornell Notes under study questions.

Binder Check tomorrow:

Textbook p. 385 - 386 #1-9 (10 points)

Worksheet "Practice 7-3" #1-9 (10 points)

376 #17-18 (10 points)

Worksheet “Practice 7-2” all problems (10 points)

April 5, 2014

Today in class students continued to work on the task "Identifying Similar Triangles." We will be comparing our work against the work of other groups on Monday.

Homework: textbook p. 385 - 386 #1-9. Show all work

May 1, 2014

Today students in periods 4 and 6 were given a task called "Identifying Similar Triangles." No additional homework was assigned tonight and students will complete this task on Friday when we resume our classic schedule.

April 30, 2014

Today students in periods 3 and 7 were given a task called "Identifying Similar Triangles." No additional homework was assigned tonight and students will complete this task on Friday when we resume our classic schedule.

April 29, 2014

Today students took Quiz 7 on proportions and similarity. Students took notes on the three ways to prove Triangle Similarity. See below.

Homework: Worksheet "Practice 7-3" #1-9

 

Homework: p. 376 #17-18 Must show ALL work to get a stamp & know how to do all the problems from Practice 7-2.

April 23, 2014

Students applied given ratios to determine unknown lengths of figures. See Instagram for a picture of today's classwork assignment.

I distributed a new version of the roller coaster assignment.

Homework: Complete #1 of the roller coaster assignment.

April 22, 2014

Today in class students learned how to determine when figures are scaled copies of each other.

 

Homework: 

• Workbook p. 381 (all problems). 

• Binder Check - See pic from yesterday's post

April 21, 2014

Today students learned how to determine whether two figures are well scaled copies of each other by considering variant and invariant corresponding parts.

I posted the warm-up, class work and tonight's homework on our class Instagram account @keepingeometry100

Homework: Complete #4-6 on graph paper. This was a half sheet of paper that I handed out today.

April 15, 2014

Today students worked in groups to complete applied problems related to using and identifying a scale factor.

Homework: "Additional Problems" worksheet. p. 149 #11-12 and p.150 #1-12. If you do not have graph paper to complete #11-12 you can get graph paper in class tomorrow and complete by Thursday.

April 14, 2014

Today we worked on applying a scale factor to a given figure. Below is the activity students worked on in class today.

 

Homework: "Additional Practice" Worksheet p. 149 #1-10

April 12, 2013

On Friday, students took quiz 6 (ratios and proportions). No homework this weekend. If you did not complete any other homework assignments from last week be sure to do them over the weekend so that you can at least earn half credit.

I will be checking binders on Tuesday to award credit for homework, classwork and Cornell Notes study questions and summaries.

April 10, 2014

Today students completed the in class investigation on "Scaled Copies" and took new notes on vocabulary related to similarity.

Homework: Measure all length of the four figures passed out in class today using centimeters. Quiz tomorrow on all topics given for homework this week including the definition of ratio, proportion and proportional.

April 9, 2014

Today I passed back the Right Triangle Test and Quiz 5. You will see your most up to date grade on PowerSchool.

I reviewed answers to the homework for Monday and Tuesday. See below for answer key.

Homework: Workbook p. 379 all problems and memorize the definition of ration, proportion and proportional.

You will have a quiz on Friday!

April 8, 2014

Today students took notes on key vocabulary related to similarity and continued to work on the "scaled copies" investigation they started yesterday.

Homework: Textbook 368 #3-20. I will post answers to the homework for this assignment tomorrow so that you may check your work before the quiz this Friday.

See Instagram for today's notes and classwork

April 7, 2014

Welcome back! I hope you are all returning to school feeling energized, well rested and ready to put in some hard work in these last 10 weeks of school.

Today in class students were introduced to the new unit on similarity by using scales on a map and blueprint to calculate distances and lengths.

Homework: Textbook p. 369 #21-28 (Show all work) - Stamp

March 26, 2014

Today students took the Right Triangles Test today. If you were absent you will be taking this test when we return from Spring Break. I collected the practice test which is worth a homework grade.

I will be at a teacher training for the next two days and have left plans for my sub that cover the following topics:

• Thursday - Factoring Polynomials
• Friday - Solving and Writing Linear Equations

These are two very important prerequisite skills needed for Intermediate Algebra, which the course you will be taking next year.

March 25, 2014

Today we reviewed some problems from the "Additional Practice" Worksheet. I distributed the Right Triangle Practice Test. Below are the answers to this practice test:
1.c
2. b
3. b
4. c
5. d
6. d
7. d
8. b
9. c
10. a
11. b
12. b
13. c
14. d
15. a
16. a
17. d
18. d
19. b
20. a
21. 7,191.5 feet. You will not need to do a conversion on the test
22. b

There will be very few multiple choice answer options on the actually test so be sure you are able to clearly show all work for each answer on the practice test.

March 24, 2014

We will be having the Right Triangle Test this upcoming Wednesday 3/26. The following are the topics that will be on the test

• Know when and how to apply the Pythagorean Theorem
• Know when and how to apply trigonometry to find unknown sides and when to apply the inverse function to find unknown angles
• Know when and how to apply properties of Special Right Triangles
• Be able to apply all of the above mentioned skills to word problems
• Know how to multiple and divide radical numbers to keep answers in simplest radical form.

Today in class students worked in review groups in preparation for the test. The following are the assignments they worked on.

• Textbook p. 428 #17-22
• "Additional Practice" worksheet p. 166 (handout in class)

Homework Due 3/25: Complete Additional Practice Worksheet - skip #5 only. Show all work and answers will be reviewed in class tomorrow.

March 21, 2014

Today we had a guest speaker, Dr. Gorham epidemiologist from UCSD, share with us his research on vitamin D deficiency. Students learned how our bodies make vitamin D from the sun, what happens in the body when people do not get enough vitamin D, as well as the risks associated with over exposure to sun rays. He related this information to the trigonometry students are learning in geometry.

The next unit test will take place on Wednesday and students will receive a study guide on Monday.

March 19, 2014

Today students made sun shadow boxes and recorded the length of the gnomen at each hour and half hour of the school day. Students will be using this data tomorrow in class analyze and discuss their findings.

I am not assigning new homework tonight, but if you did not complete the assignment I gave yesterday related to questions about shadows be sure to complete those questions, even if they are for half credit.

3/18/14

If you were absent today because of the CAHSEE or for any other reason below is the agenda for what we did today in class.

 

Email me at mrsbrown.s@gmail.com to request a copy of tonight's homework assignment. I am unable to post a pic of it here. Or you can visit @keepinggeometry100 to see a picture of it.

March 17, 2014

Today students assembled into groups for quiz 5, then worked independently on the reflection problems found on the back of the quiz. I am using quiz 5 as a formative (learning in progress) assessment so that students can assess their own areas of need.

There will be a unit test next Wednesday March 26th. Many of the topics on quiz 5 will be on the upcoming test.

If you were absent today, it is important that you see me ASAP to make up quiz 5.

Workbook p. 399 Answer Key for (Homework Due 3/17)

March 14, 2014

Happy Pi Day! Congratulations to all the winners of today's contest!

Today in class students worked in groups on an in class assignment (textbook p. 428 #17-22). We will continue to work on this assignment on Monday. I postponed quiz 5 until Monday. To be prepared for the quiz be sure you know how to apply the rules of the 30-60-90 and 45-45-90 triangles.

Homework Due Monday 3/17 - Workbook p. 399

Answer Key: Will be available later this weekend. Check back this weekend.

March 13, 2014

Today in class students completed notes on Special Right Triangles and worked in groups to apply what they learned.

Tomorrow I will be checking binders to award points for the following assignments

Please make sure your binders are in order and ready to be checked at the beginning of class tomorrow.

You will also have a quiz on Special Right Triangles and Trigonometry.

Also I will be getting a yummy lunch for any student who can memorize the most numbers in the value of Pi. Here are a few to start you off 3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679    8214808651328230664709384460955058223172535940812848111745028410270193852110555964462294895493038196    4428810975665933446128475648233786783165271201909145648566923460348610454326648213393607260249141273    724587006606315588174881520920962829254091715364367892590360011330530548820466521384146951941511609...

March 12, 2014

Today in class we:

• Added the Standards to Mathematical Practice to our binder
• Renamed the "Exit Forms" tab in our binders to "resources"
• Passed out a half sheet of problems that involve dividing radical numbers. This is one of your homework assignments for today. The following are the answers. Please check your answers and be sure to show all your work on your paper.



The other homework assignment is Textbook page. 428 #s 1-9 Check your answers below:

March 10, 2014

Today students worked in pairs to complete an in class activity to explore the properties of two special right triangles. See instagram @keepinggeometry100 for today's notes and in class activity. Students recorded their answers in their Cornell Notebooks.

Homework: Page 428 #9-15. Show all work.

March 7, 2014

Today students took a quiz 4 on trigonometry. We added two more examples to our notes.

Retakes for quiz 3 are due on Wednesday after school and I will be at a professional development on Tuesday.

If you were absent be sure to see notes @keepinggeometry100

February 6, 2014

Today students received back Quiz 3. Retakes are available until March 12th. Note I will not be available on Tuesday March 11th.

I reviewed answers to last night's homework and completed notes from yesterday's lesson.

Homework:
Study the following for the quiz tomorrow. Know the ratios for Sine, Cosine and Tangent (SOH, CAH, TOA). Know how to use the trigonometric functions to find side lengths of a right triangle and how to find angles of a right triangle when knowing the side lengths.

Today students learned how to use the inverse of a trigonometric function to find the missing angle of a right triangle when only sides are given.

Homework: p. 435 #11-16 and p. 441 #11-16. Show all work

See notes @keepinggeometry100 on Instagram

March 4, 2014

Today we continued to practice using the trigonometric ratios to find unknown sides. We also worked on the Problem Solving worksheet.

Homework: Textbook page 434 #4-10 and page 441 #4-10. Draw diagrams for both #10s and show all work.

March 3, 2014

Today in class I introduced the three trigonometric ratios (sine, cosine and tangent). We worked out some examples on the whiteboards, then took Cornell Notes. See keepinggeometry100 on Instagram for a pic of today's notes.

Homework: Problem Solving Worksheet # 4-6. Show all work

February 28, 2014

Today students took quiz #3 which assessed their ability to construct right triangles to scale and determine the steepness of the ramp (hypotenuse) by comparing each ramps height to width ratio as well as it's angle of inclination.

I did not check homework today so be sure #1-3 from the problem solving worksheet is complete. I will be checking that assignment on Monday.

If you were absent for the quiz today you must take it on Monday during lunch. I will be at a meeting after school on Monday.

February 27, 2014

Today in class students took notes on simlar triangles and learned about proportions. Students were given problems to solve in groups. Homework tonight is complete problems #1-3.

Quiz 3 tomorrow review the following:

• how to calculate ratios
• know the two ways to determine the steepness of a ramp
• know how to construct a ramp when given the angle of inclination and ramp length (hypotenuse)
• You will need a protractor and calculator and I am not loaning out any of mine. 

February 26, 2014

Today in class we learned about the characteristics of an Isosceles Right Triangle (45-45-90) and right triangles which have a width twice the length of its height.

I went over the answers to the classwork we did yesterday and made the announcement that there is a quiz this Friday based on this same work.

Homework: Finish workbook pages 149-151.

February 25, 2014

Today in class students continued to work on the in-class experiment looking at the ratio of the height of a ramp in relation to its width. Students who did not complete this exercise are expected to finish for homework tonight in addition to the following assignment.

Workbook pages 149-151. Use textbook section 8-3 as a resource. Also, bring calculator and protractor.

February 24, 2014

Today in class I stamped the two homework assignments from Friday.

We began class by discussing how trigonometry is used in the real world. Students took notes on ratios. I demonstrated what happens to the ratio of the width and height of a ramp as the slope increases.

We ended class by getting an investigation that will be completed in class tomorrow.

Homework Due: Bring a protractor and scientific calculator to school tomorrow.

Februrary 21, 2014

Today in class I stamped h/w. Student got back into the same group as yesterday and completed the textbook assignment from yesterday.

Students who finished the textbook assignment, got the real world application (Golf Problem). We will complete this task in class on Monday.

Homework Due 2/24/2014:

• Using the Internet research 5 different ways trigonometry is used in the real world
• Select 5 problems from the 17 on the worksheet that was handed out today. If you were absent today see the class Instagram @KeepingGeometry100 for a picture of the homework assignment.

February 20, 2014

Today in class students worked in groups to complete the following problems:
Textbook page 421 #27-29 and page 422 #50-52

Each set of 3 questions required a stamp (total of 2 stamps) that is worth class participation points. If your group did not finish the 6 problems in class you are required to finish the remaining problems for homework tonight.

Homework Due 2/20/14: Workbook p. 142-145. Tear out and use 8-1 in the textbook to complete. This will be stamped at the beginning of class tomorrow.

February 19, 2014

Today students took the first exam of the semester on Proving the Pythagorean Theorem.

I checked binders. If you were absent today be sure to get your binder checked upon returning to school.

February 18, 2014

Today in class students were given a test review in preparation for the proof test tomorrow.

I will be checking binder's tomorrow for the following assignments:

• Pythagora's Proof (20 pts)
• Bhaskara's Proof (20 pts)
• Garfield's Proof (20 pts)
• Quiz 2 (will be returned to periods 6 and 7 tomorrow)
• Cornell Notes on Trapezoids (5)
• Homework Worksheet on Simplifying Radicals (10)

*If you do not have stamps on your assignment I highly recommend that you complete them for partial credit.

February 13, 2014

Period 3/4: Students finished writing up the formal pragraph proof for the Trapezoid method. will Students have a test this upcoming Tuesday where you will need to correct errors for a ficticious (fake/pretent) student and complete the entire proof for one out the the three we have been studying (Bhaskara, Pythagoras and Trapezoid)

Period 6/7: Students finished working out the proof for the Trapezoid method in clas and must write up a formal paragraph proof due Tuesday 2/17.

February 12, 2014

Homework Due 2/13/2014
Period 3: Write up the formal proof for proving the Pythagorean Theorem using the Trapezoid method we did in class today. Also, complete the worksheet on simplifying radicals

Period 4: Finish the proof of the Pythagorean Theorem using the Trapezoid Method we started in class today.

Period 6: Determine if the isosceles triangle in the trapezoid is a right triangle.

Period 7: Determine if the isosceles triangle in the trapezoid is a right triangle.

February 11, 2014

Today in class student submitted their revised version of the latest proof we completed in class.

Period 3: Started the Trapeziod proof and for homework tonight needs to determine if the third figure is a right triangle using a system of equations.

Period 4: Started the Trapeziod proof and for homework tonight needs to determine if the third figure is a right triangle using a system of equations. Also complete the worksheet on simplifying radicals.

Period 6: Students completed and explained Pythagora's proof and must write a formal paragraph proof for homework tonight. Also complete the worksheet on simplifying radicals.

Period 7: Students completed the formal paragraph proof for Pythagora's method and got their paper stamped if it was complete by the end of class. If you did not get a stamp be sure to do it for homework tonight and you can get a stamp and the beginning of class tomorrow. Also, complete the worksheet on simplifying radicals.

February 10, 2014

Today in class students critique other students proofs and worked in teams to complete Pythagora's proof

Homework Due 2/11/2014
Period 3 & 4 : Use the visual proof we completed in class and put into a formal paragraph proof using the "Guide to Writing in Mathematics."

Period 6 & 7: Make the necessary corrections to the proof that was returned to you in class today (Bhaskara's Proof #2)

February 6, 2014

Period 3: Student took quiz 2. Binder and calculator check today.

Period 4-7: Binder check, started Pythagora's Proof

Homework: Take notes on following:
- define a trapezoid and it's characteristics
- how to find the area of a trapezoid
- take down the examples from the textbook

February 5, 2014

Today in class period 3 finished their group project and will reconvene tomorrow to earn their stamps. Period 3 will have a quiz tomorrow related to the homework on page 420 in the textbook #1-20.

Periods 4-7 took Quiz #2 on using Bhaskara's method to proving the Pythagorean Theorem. They also received Quiz #1 and were told there is an opportunity to retake this quiz for a better grade. If a student is interested in retaking this quiz they must make corrections on the original paper and submit it to me no later than February 11th at 2:30 pm.

Homework Due for all periods:
Prepare binder to get checked
Workbook Page 397 #1-16 (use the textbook to help with #s 11-16)
Cornell Notes Study Questions and Summary (use Costa's Level of Questions to label the questions "L" for low level and "H" for high level questions. You must write a minimum of 3 questions.)

February 4, 2014

Today in class we continued to work on developing and solving geometric problems using a system of equations. We reviewed the Bhaskara Proof and I announced that the quiz will be delayed until tomorrow. All students (with the exception of period 3) are expected to be ready to take the quiz tomorrow at the start of class.

Period 3: Homework: Complete Proof #3 (Pythagora's Proof) using the Bhaskara Proof as your model. (Stamp)

February 3, 2014

Period 3: Students worked through a warm up problem involving system of equations. Then, worked in groups to revise their writing of their first draft proofs.

Period 4-7: Students worked through a warm up problem involving system of equations. Then were give a model of the way to prove the Pythagorean Theorem using Bhaskara's method.

Homework:
Period 3: Complete first draft of Pythagora's Proof (#3)

Period 4: Study for quiz tomorrow by memorizing the Proof for Bhaskara (#2)

Period 6: Study for a quiz on system of equations. I recommend to watch the video on Khan Academy. This can be found at http://www.khanacademy.org/math/cc-eighth-grade-math/cc-8th-systems-topic/cc-8th-systems-overview/v/practice-using-substitution-for-systems

Period 7: Study for quiz tomorrow by memorizing the Proof of Bhaskara (#2)

January 31, 2014

Period 3: Today students took a quiz to show how Bhaskara's Method can be used to prove the Pythagorean Theorem.

Periods 4-7: Today we took Quiz 1 for semester 2. We cut out 8 congruent triangles and constructed two squares using 4 congruent triangles to show what Bhaskara and Pythagora's used to prove the Pythagorean Theorem.

January 30, 2014

Today we continued to look at more ways to prove the Pythagorean Theorem.

Period 3: Study the Bhaskara Proof and be prepared to prove it for tomorrow's quiz.

Period 4 - 7: Study your Cornell Notes, review the homework from Monday and be prepared for a quiz on section 8.1

January 29, 2014

Today in class we worked on the first proof of the Pythagorean Theorem. We will continue exploring different proofs this week.

Homework Due 1/30

Due 1/30/14 Complete the "Investigating the Pythagorean Theorem" Assignment that was reviewed at the end of class today. Be sure to use the "Guide for Writing Responses in Mathematics" to help you with the written part of the assignment.

January 28, 2014

Today in class we reviewed homework. We took notes today on area formulas and proving if triangles have a right angle.

Period 3: Homework Due 1/29/14 - "Investigating the Pythagorean Theorem" complete the directions on graph paper use the "Guide for Writing Mathematics" to complete the explanation section (step 3).

Periods 4, 6, 7: Complete p. 420 #1-20 and be ready to get a stamp tomorrow.

January 27, 2014

Today we started semester 2 and Chapter 8. We started notes and examples of the Pythagorean Theorem in class today. Tomorrow we will be working on proving why the Pythagorean Theorem works.

Homework Due 1/28: Page 420 # 1-20 Must show all work and draw a diagram for #s 16 and 17. I will also be checking calculators tomorrow.

January 21, 2014

Below are the answers to the final exam review packet.

1.       A

2.        B

3.       C

4.       C

5.       B

6.       A

7.       D

8.       Skip this problem

9.       B

10.   A

11.   A

12.   C

13.   C

14.   C

15.   A

16.   C

17.   a.Y=(-3/4)x-2; b. y=(-4/3)x+2; c. y=(4/3)x-2; d. y=(-4/3)x-2

18.   a

19.   a

20.   d

21.   a

22.   b

23.   b

24.   c

25.   Skip this problem

26.   C

27.   A

28.   D

29.   B

30.   A

31.   Skip this problem

32.   C

33.   A

34.   A

35.   13x8,888,888=115,555,544

36.   Noncollinear

37.   Line VW; any three noncollinear points can be used to name the plane

38.   Skip this problem

39.   At week 7, May will have 13 customers

40.   Ray CD

41.   Ray ON or Ray OM

42.   LINE EA, LINE FB, LINE EG, LINE FH

43.   15 *Must use absolute value to solve

44.   X=8

45.   Point D

46.   58

47.   26

48.   Angle FEG = 68; angle HEG = 112

49.   Angle EOB

50.   180, 90

51.   Straight, adjacent

52.   52

53.   X = 42

54.   X= 60

55.   Skip this problem

56.   Angle 5 = 147

57.   X=2

58.   X=1

59.   X=17

60.   Y=59; x= 66

61.   Y=34; x=81

62.   Angle Q = 69

63.   Angle 1 = 90

64.   Angle k = 69

65.   Angle x = 75; y=61; z = 105

66.   X=77;z=103;y=64

67.   Scalene

68.   Acute

69.   Obtuse

70.   Right

71.   X=66

72.   X=11

73.   X=77

74.   X=53

75.   Hexagon

76.   10

77.   8

78.   Y=57;x=101

79.   X=36

80.   X=54

81.   84

82.   Angle A = 73

83.   106

84.   111