Archive for September, 2013

SL-Sept30

Posted on: September 30th, 2013 by Shelby Bryant

Dear Students,

Today we began Sequences and Series.

Please complete this practice before Wednesday:

Math-SL-arithmetic-sept30HW

Before Friday’s class (Oct.4) you are to complete the following 3 Khan Academy modules:

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/arithmetic_sequences_1

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/arithmetic_sequences_2

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/arithmetic_series

Mr. Bryant

 

HL-Sept25

Posted on: September 25th, 2013 by Shelby Bryant

Dear Students,

Today we finished some essential practice with sequences and series. Next we will practice some proofs by mathematical induction and some counting problems (permutations and combinations). I want for you to send me your scores (as percentages) on the practice from today. Also, for next class, complete 1J and 1K.

 

Mr. Bryant

HL-Sept23

Posted on: September 23rd, 2013 by Shelby Bryant

Dear Students,

You did well today. Our “pop” quiz actually did seem to be a surprise. It appears that we need to develop more speed in finding solutions. The memorization of some formulas is necessary in order to be quick with them.

You have Khan Academy practice modules to complete before Wednesday:

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/arithmetic_sequences_1

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/arithmetic_sequences_2

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/arithmetic_series

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/geometric_sequences_1

https://www.khanacademy.org/math/trigonometry/seq_induction/seq_and_series/e/geometric_sequences_2

Also, here are the answers for your last night’s homework:

Math-HL-HW-Sept23ans

Mr. Bryant

HL-Sept20

Posted on: September 21st, 2013 by Shelby Bryant

Dear Students,

Today was a fun class! We began Sequences and Series. Remember, for Monday you have the packet problems A-H. Please complete the entire packet. In order to do this, I advise that you break it into about 30 minutes per day.

On Monday, you might have a “POP” quiz to determine whether or not you have completed this practice.

Mr. Bryant

SL-Sept20

Posted on: September 21st, 2013 by Shelby Bryant

Dear Students,

Your first unit test will be Tuesday. During class I gave you a list of topics that will be covered. I hope you took adequate notes. If you did not, please check with a classmate and get that information.

We also did some practice problems in the test format. This was in hopes that you would become more comfortable with the style of presentation for your work that is required in order to earn points on the test.

Math SL – Practice Test1

I will be available on Monday morning if you need help as you prepare for the test (which is on Tuesday Sept. 24).

Mr. Bryant

SL-Sept18

Posted on: September 21st, 2013 by Shelby Bryant

Dear Students,

Today we reviewed your Quadratic Functions Practice work with the Mark Scheme grading. We also went through the radical function graphs. For those of you who make the necessary corrections by Friday, you will gain back the points missed. This is in hopes that you will become more aware of how your upcoming test will be marked.

We also practiced Rational Functions.

Friday we will review for Tuesday’s test.

Mr. Bryant

 

SL-Sept16

Posted on: September 16th, 2013 by Shelby Bryant

Dear Students,

As has been announced, our first test will be on Tuesday, Sept. 24. This test will cover all of what we have learned up to this point. Your notes will be useful.

Today we reviewed radical functions and their domain and range. We also graphed some of these functions. You can see these practice problems from class here:

radical functions – Sept16

radical function answers

 

For Wednesday’s class, you are finishing the work that I handed back to you. There were some word problems and others problems that most did not attempt. Please make an attempt to solve these problems.

On Wednesday, we will review rational functions and limits. Friday we will review.

Mr. Bryant

SL-Sept12

Posted on: September 12th, 2013 by Shelby Bryant

Dear Students,

Today we spent some time making sure you all understand how to do the modules in Khan Academy. You should log in with your ISD gmail account, and you need to have me added as a coach.

Your Khan Academy work must be up-to-date by Monday.

Today we also revisited quadratic functions, but this time we went into greater depth.

The following problems are due on Monday, and they will be graded according to the Markscheme:

SL-QuadraticPractice

Mr. Bryant

SL-Sept9

Posted on: September 11th, 2013 by Shelby Bryant

Dear Students,

I reviewed quadratic functions with you today, and we have spent a large portion of the period graphing them and also solving quadratic equations. You have also practiced completing the square, and you have applied the method to derive the quadratic formula.

For homework, please do the Khan Academy modules:

https://www.khanacademy.org/math/trigonometry/polynomial_and_rational/quad_formula_tutorial/e/completing_the_square_1

https://www.khanacademy.org/math/trigonometry/polynomial_and_rational/quad_formula_tutorial/e/completing_the_square_2

Mr. Bryant

SL-Sept6

Posted on: September 11th, 2013 by Shelby Bryant

Dear Students,

Today I was on the High School Retreat with the Grade 9s and 10s.

I see that you have worked on the graphing and problem solving I left for you to complete with Mr. Levers. I was pleased that most of you have mastered the notation for showing domain and range. There were some errors, though, and I feel we need more practice. On Monday we will take a slower approach, and I will try to fill in some gaps.

Mr. Bryant

HL-Sept11

Posted on: September 11th, 2013 by Shelby Bryant

Dear Students,

You have done excellent work today!  I was impressed by the different methods you used to build your functions.

Today we practiced building some functions in our graphers, and then using the graphs to determine maximum value. We also explored how domain and range can make a difference in solving a problem. By considering the domain and range, we are able to narrow the scope of our search for a solution. We used the possible x-values to set our X-min and X-max, and we used our possible y-values to set the Y-max and Y-min. This enabled us to see where the solution could be found.

On Friday’s test you will have some problems that will require graphical analysis and algebraic techniques. You can expect some composite function and inverse function questions. You can also expect to have a problem in which you will build a function and find its maximum or minimum. Know the various forms of the function types, especially the quadratics. Review intercept form for quadratics (y=p(xq)(xr)) from Algebra II. Also, know your vocabulary, and be able to interpret the potential questions. Look over common formulas for volumes and areas. IF you practice all of the questions I have given you and review your notes and the materials I have provided in these posts, you should be able to pass this first test.

No Math HL test will be easy.

Your class period is 90 minutes. When you take an IB Math HL exam, your time will be limited. You will need to work at a pace of about 1 point per minute. Tomorrow’s test is only a 25 point test, so you can afford to work more slowly (more than 3 minutes per point). Still, be efficient. Scan the problems and find what looks easiest, and do those first. Try to get as many points as possible.

Khan Academy practice with composite functions and inverse functions is recommended:

https://www.khanacademy.org/math/algebra/algebra-functions/eval-function-expressions/e/functions_3

https://www.khanacademy.org/math/algebra/algebra-functions/function_inverses/e/inverses_of_functions

Other practice is available at that site.

Study!

Mr. Bryant

HL-Sept9

Posted on: September 9th, 2013 by Shelby Bryant

Dear Students,

Our Chapter 1 test will be on Friday. We will review a little more on Wednesday. Before then, please read Chapter 1. Also included on this test will be some of the Background Material and some of the material regarding circles, semicircles, and the functions we have explored up to date.

We have a copy of Chapter 1 here:

chapter1

-And here is some practice:

Chapter 1 Practice

Mr. Bryant

HL-Sept3

Posted on: September 3rd, 2013 by Shelby Bryant

Dear Students,

Today we welcome a new student-  Grace Carter!  🙂

We reviewed some old, sort of familiar functions. We dusted some others off… and we explored graphing, domain and range. Please complete these exercises:

domain and range practice

Also, you must complete this review quiz of background material:

Background Quiz 1

If you would like to submit your solution of the Sam Loyd Cheese Problem, I will post it to the home page. -But you must write neatly.

Thanks!

Mr. Bryant

SL-Sept2

Posted on: September 2nd, 2013 by Shelby Bryant

Dear Students,

Fun day today. The balloons were a little crazy, but fun.

Now we have explored a variety of functions and relations. You are familiar with linear, absolute value, quadratic, rational, and radical functions. You also are familiar with circles and semicircles. Make sure you know standard form and general form for circles, just in case you have a POP QUIZ next class. A POP QUIZ. About circles, semicircles, and other relations/functions… Just in case you might have such a quiz, be ready.

Remember: When you are trying to determine the domain of a function, first consider values of x that might cause a zero in a denominator or a negative radicand. Those values need to be excluded.

For next class, please complete the practice problems:

domain and range practice

Also, there will be a requiz for the background material (A,B,C,&D) on Monday, Sept 9, 3:45-4:00.

Mr. Bryant

 

HL-Aug29

Posted on: September 1st, 2013 by Shelby Bryant

Dear Students,

Each of you have brought in some interesting problems, and it was a fun class solving the ones you brought. Also, we reviewed polynomial equations and some of the properties of circles.

Each of you has been assigned to become an expert in one of the special points:
Herman – orthocenter
Flemy – centroid
Priyanka – incenter
Jake – circumcenter

Please come to class with the necessary formulas and tricks to share with the group. It will be beneficial for us to know the properties of these common points as they relate to the coordinate geometry of lines, circles, and triangles.

You also have a practice set on the background material.

Background Quiz 1

Mr. Bryant

SL-Aug30

Posted on: September 1st, 2013 by Shelby Bryant

Dear Students,

The homework assignment that was due for today proved to be challenging for most. I request that you attempt all problems, even if you are not sure how to proceed. Generally, there will be something about the problem that you can write, even if it is only the given information.

We have learned some important formulas and forms of equations and functions. You need to keep track of these by taking notes during class. It will be expected that you memorize all new formulas and forms of equations and/or functions. These will be applied frequently, and this knowledge should be readily available in your memory.

For Monday you have 6 practice problems. Please show that you have made an honest attempt with each problem.

It might help you to view these links:

For circles:
http://www.mathwarehouse.com/geometry/circle/equation-of-a-circle.php

For semicircles:
http://sites.csn.edu/istewart/mathweb/Math126/circles/circles.htm

From time to time, you will be expected to utilize Internet resources to learn about topics, even if these topics are relatively new. We will then explore these new topics in greater detail during class, and there we will develop strategies for flexible problem-solving.

Mr. Bryant

SL-Aug28

Posted on: September 1st, 2013 by Shelby Bryant

Dear Students,

You have taken your quiz on the first 4 sections of the background material, and the results are good.

Also, we began our exploration of functions. You have graphed absolute value functions, linear functions, quadratic functions, and you have also determined domain and range. Great work!

Mr. Bryant

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