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"It is clear that the chief end of mathematical study must be to make the students think."—John Wesley

 

Jada Webb, class of 2017 

 

 

 

02-11-19

to

 02-15-19  

 

 

HELLO, students and parents!

 

This is the 22nd week of school and the 6th week of the 3rd 9-weeks grading period. 

 

A reminder that if any student is absent, they are expected to watch the video of that day’s lecture, found either on the YouTube link on their math page or in the shared google folder, so that they are up to speed when they return.  Also, I am in my classroom each morning at 8:00 AM for tutorials (Wednesday duty, though, at 8:20 AM.)

Caring Achievers Reach Excellence

 

 

“Give me six hours to chop down a tree and I will spend the first four sharpening the axe.”

 

 —Abraham Lincoln

 

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PreAP Precal

MONDAY, FEBRUARY 11, 2019

We will:

Sketch sinusoidal functions on coordinate planes  §5.4

I will:

Sketch SAHALA and CHALAH and identify their features

 

TUE, FEBRUARY 12, 2019

We will:

Sketch sinusoidal functions on coordinate planes  §5.4

I will:

Sketch SAHALA and CHALAH and identify their features

 

WED, FEBRUARY 13, 2019

We will:

Sketch sinusoidal functions on coordinate planes  §5.4

I will:

Sketch SAHALA and CHALAH and identify their features

 

THUR, FEBRUARY 14, 2019

We will:

Sketch sinusoidal functions on coordinate planes  §5.4

I will:

Sketch SAHALA and CHALAH and identify their features

 

FRIDAY, FEBRUARY 15, 2019

We will:

Investigate simple harmonic motion in the real world  §5.5

I will:

Model a sinusoidal equation to a given situation

 

 

AP Calculus AB

MONDAY, FEBRUARY 11, 2019

We will:

Find the antiderivatives of differential equations  §4.1

I will:

Evaluate several indefinite integrals using derivative knowledge

 

TUE, FEBRUARY 12, 2019

We will:

Find the antiderivatives of differential equations  §4.1

I will:

Evaluate several indefinite integrals using derivative knowledge

 

WED, FEBRUARY 13, 2019

We will:

Find the antiderivatives of differential equations  §4.1

I will:

Evaluate several indefinite integrals using derivative knowledge

 

THUR, FEBRUARY 14, 2019

We will:

Find areas of irregular reasons using numeric methods  §4.2

I will:

Use Riemann Sums and Trapezoids to approximate areas

 

FRIDAY, FEBRUARY 15, 2019

We will:

Find areas of irregular reasons using numeric methods  §4.2

I will:

Use Riemann Sums and Trapezoids to approximate areas

 

 

AP Calculus BC

MONDAY, FEBRUARY 11, 2019

We will:

Model the definite integral to real world situations §6.1

I will:

Find net change of a quantity using antidifferentiation

 

TUE, FEBRUARY 12, 2019

We will:

Model the definite integral to real world situations §6.1

I will:

Find net change of a quantity using antidifferentiation

 

WED, FEBRUARY 13, 2019

We will:

Model the definite integral to real world situations §6.1

I will:

Find net change of a quantity using antidifferentiation

 

THUR, FEBRUARY 14, 2019

We will:

Find area between two different curves §6.2

I will:

Use top minus bottom or right minus left to find areas

 

FRIDAY, FEBRUARY 15, 2019

We will:

Find area between two different curves §6.2

I will:

Use top minus bottom or right minus left to find areas

 

 

 

 

Footbal Academic All-State

 

 

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Monday, February 11th

  • Men's Golf at the Canyon Invitational at Landa Park
  • 8:15 - Department Chair Meeting
  • 6:00 - Cheer Booster Meeting in library
  • 7:00 - School Board Meeting

 

Tuesday, February 12th

  • Sophomores will be taking an English II Benchmark beginning at 8:50
  • 4:05 - CIC Meeting in library
  • 7:00 - NHS Induction Ceremony
  • 7:00 - Boys Basketball vs. Smithson Valley (away)
  • 7:15 - Girls Soccer vs. Clemens (home)
  • 7:15 - Boys Soccer vs. Clemens (away)

 

Wednesday, February 13th - Advisory Schedule

  • 4:05 - HOSA Meeting in library

 

Thursday, February 14th - Happy Valentine's Day!

  • JV/Varsity Track Meet at Judson
  • Softball at Canyon/Steele Tournament

 

Friday. February 15th

  • State Swim Meet in Austin
  • Softball at Canyon/Steele Tournament
  • NEISD Boys Golf Shoot-out at TPC
  • Wrestling Regional Meet in SA
  • Tennis at Westlake Tournament
  • 7:15 - Girls Soccer vs. Smithson Valley (away)
  • 7:15 - Boys Soccer vs. Smithson Valley (home)

 

Saturday, February 16th

  • State Swim Meet in Austin
  • Softball at Canyon/Steele Tournament
  • NEISD Boys Golf Shoot-out at TPC
  • Wrestling Regional Meet in SA
  • HTE Dance Contest at NBHS
  • UIL One Act Play Clinic

 

 

NBHS Athletics Calendar

 

 

Big picture

 

 

 

 

 

MATH BIO:

George Atwood (1745 – 1807) was an English mathematician who invented a machine for illustrating the effects of Newton's first law of motion. He was also a renowned chess player whose skill for recording many games of his own and of other players, including François-André Danican Philidor, the leading master of his time, left a valuable historical record for future generations.

 

Atwood was born in Westminster, where he attended Westminster School and in 1765 was admitted to Trinity College, Cambridge.  He graduated in 1769 with the rank of third wrangler and was awarded the inaugural first Smith's Prize. Subsequently he became a fellow and a tutor of the college and in 1776 was elected a fellow of the Royal Society of London.

 

In 1784 he left Cambridge and soon afterwards received from William Pitt the Younger the office of patent searcher of the customs, which required but little attendance, enabling him to devote a considerable portion of his time to mathematics and physics.

 

George Atwood died unmarried in Westminster at the age of 61, and was buried there at St. Margaret's Church.

 

Over a century later, a lunar crater was renamed Atwood in his honor.

 

220px-AtwoodMachineMATH FACT:

The Atwood machine (or Atwood's machine) was invented in 1784 by George Atwood as a laboratory experiment to verify the mechanical laws of uniformly accelerated motion. Atwood's machine is a common classroom demonstration used to illustrate principles of physics, specifically mechanics.

 

The ideal Atwood Machine consists of two objects of mass m1 and m2, connected by an inelastic massless string over an ideal massless pulley.

 

When m1 = m2, the machine is in neutral equilibrium regardless of the position of the weights.  When m1m2 both masses experience uniform acceleration.

 

Atwood's machines can be pretty hairy. But no matter how complicated they get, there are only two things you need to do to solve them: (1) Write down the F=ma equations for all the masses (which may involve relating the tensions in various strings), and (2) relate the accelerations of the masses, using the fact that the lengths of the various strings don't change (also known as "conservation of string").

 

Fnet = F - f = (m2 - m1)g - f = ma = (m1 + m2 + meq)a

 

MATH QUOTE: 

“What kind of scale compares the weight of two beauties, the gravity of duties, or the ground speed of joy? Tell me, what kind of gage can quantify elation? What kind of equation could I possibly employ?”—Ani DiFranco

 

“Someone told me that each equation I included in the book would halve the sales.”—Stephen Hawking

 

LIMERICK:

It may seem, with the angst it can bring,
That an Atwood's machine's a harsh thing.
But you just need to say
That F is ma,
And use conservation of string!

 

 

 

Have a great week,

Kevin W. Korpi

 

2005 District Teacher of the Year

2015 Region 13 Teacher of the Year

 

New Braunfels High School

www.korpisworld.com

kkorpi@nbisd.org

 

 

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Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost. Rigour should be a signal to the historian that the maps have been made, and the real explorers have gone elsewhere.--W.S. Anglin

 

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Caricatures done by Thomas Korpi

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