South O'Brien
Helfter's Math Classes
South O'Brien
Helfter's Math Classes
Click here to visit the MORE web site, hosted by ISU.
Resources for all math classes
Applets
ClipArt
Fractals
Conversion Units
Other Resources
- Algebra through Math IV
- Integrated Math III
- Introduction to Calculus
Chapter 2
Chapter 3
- Correlation Coefficient and Line of Best Fit, Applet: Click Here (When you're at the For All Practical Purposes home page, log in as a student > Cancel > click on "Applet Exercises", then click on "Correlation and Regression")
Chapter 4
Composition of Functions, Legal Land Description Activity
- Historic Map Works, Iowa, O'Brien County 1986
- Legal Land Description, Google Search
- Klein Real Estate
Chapter 6
Management Science: Network Graphs
- Euler Circuits
- Euler Circuit and Eulerizing a Graph Applets: Click Here (When you're at the For All Practical Purposes home page, log in as a student, click on "Applet Exercises")
- Hamiltonian Circuits
- Traveling Salesman Problem: Sorted Edges Algorithm and Nearest Neighbor Algorith Applets:Click Here (When you're at the For All Practical Purposes home page, log in as a student, click on "Applet Exercises")
- Minimum Cost Spanning Tree, Kruskal's Algorithm Applet:Click Here (When you're at the For All Practical Purposes home page, log in as a student, click on "Applet Exercises")
Probability (fapp Chapter 7)
- Law of Large Numbers and coin flipping, Probability Applet: Click Here (When you're at the For All Practical Purposes home page, log in as a student >Cancel > click on "Applet Exercises")
- Simple Random Sample Applet: Click Here (When you're at the For All Practical Purposes home page, log in as a student > Cancel > click on "Applet Exercises")
- Spinner Applet
- http://www.math.csusb.edu/faculty/stanton/probstat/buffon.html
- http://www.ncalg.org
- http://www.americangaming.org
- http://www.socr.ucla.edu/htmls/SOCR_Experiments.html
Area & Volume
- 3-d Nets: http://www.senteacher.org/Worksheet/12/Nets.xhtml
- applet shows transition of Platonic Solids from net to 3-d object: http://www.mathsnet.net/geometry/solid/nets.html
- Huge variety of 3-d nets: http://adrianbruce.com/
- Platonic Solids: nets, 3-d, spin
- FideliTrade, value of gold & platinum
Growth and Form
- Project: Rate Conversion
- http://www.eurospiders.com/Tegenaria_atrica.htm
- humans: sprinter Usain Bolt from Jamaica in the Men's 100m Final and USA swimmer Michael Phelps in the Men's 200m Freestyle Final
- http://www.concordesst.com/performance.html
- http://infoplease.com/ipa/A0004737.html
- theradon dinosaur
- wild turkey
- mole speed
- garden snail named Archie, Guinness Book of World Records
- Practice/Review Activities (When you're at the For All Practical Purposes home page > log in as a student then click on Cancel)
- Flash Cards
- Online Quiz
Transformations and Tessellations
- Tessellate An applet that lets you tessellate beginning with a hexagon, square, or triangle.
Chapter 2
- Lesson 2-9, Mens Mile Run World Records, http://www.infoplease.com/ipsa/A0112924.html
- Olympic Records Database
Chapter 3
Chapter 4
Primes
- GIMPS website: Great Internet Mersenne Prime Search
Different bases
