University of Canterbury
Cs Unplugged: Product Code Check Digits
Find out how to check dockets at the supermarket and be sure that what is purchased matches the docket.
University of Canterbury
Cs Unplugged: Unit Plan: Error Detection and Correction
This unit and lessons explores how digital devices detect and correct errors in data, and why sometimes computers can detect errors, but don't have enough information to correct them.
Code.org
Code.org: Cs Fundamentals: Course D
Students develop their understanding of loops, conditionals, and events. Beyond coding, students learn about digital citizenship.
Code.org
Code.org: Cs Fundamentals: Lesson 9: Changing Variables With Artist
In this lesson, students will explore the creation of repetitive designs using variables in the Artist environment. Students will learn how variables can be used to make code easier to write and easier to read. After guided puzzles,...
Code.org
Code Studio: Computer Programming: Course F
Learn to use different kinds of loops, events, functions, and conditionals. Investigate different problem-solving techniques and discuss societal impacts of computing and the internet. In the second part of this course, design and create...
Khan Academy
Khan Academy: Using Variables
Some practice problems using variables in computer programming.
NASA
Nasa: Al Khorezmi and the Dawn of Algebra
At this site from NASA you can read about Al-Khawarizmi (also known as al-Kwarismi or al-Khorezmi) and his significant role in the early study of algebra.
University of California
Uc Irvine: Egyptian Fractions
An introduction to the way the ancient Egyptians wrote fractions, along with a more sophisticated look at the process of converting modern fractions to Egyptian form. Contains a very informative and interesting group of related links,...
Wolfram Research
Wolfram Mathworld: Recursion
A brief description of recursive process from MathWorld. Click on any of the highlighted terms for more definitions.
NumberNut
Number Nut: Basic Math: Two Digit Division
This lesson offers strategies for dividing two-digit numbers. Students are introduced to related vocabulary, long and short division, and two-digit division with remainders. Links to the interactive games allow students to practice and...
Wikimedia
Wikipedia: John Von Neumann
This site contains a Wikipedia description of John von Neumann
Fun Brain
Fun Brain: Math Car Racing (Easy Subtraction Game)
FunBrain's easy subtraction facts game lets players race cars, fueled by correct answers, around a track.
Mr. Martini's Classroom
Mr. Martini's Classroom: Long Division Quiz
An interactive graded quiz allows students to practice long division with three- and four-digit dividends.
Lizard Point Quizzes
Lizardpoint: Division
Practice using different types of division problems. This site allows you to pick which type of division you want to work on, providing ten different difficulty levels. When you are finished you can print your results!
AAA Math
Aaa Math: Divide a 5 Digit Number by a 3 Digit Number
Demonstrates how to divide a 5-digit number by a 3-digit number using long division. The explanation is followed by an interactive where students can practice this skill.
Other
Learn With Math Games: Driving Into Division
Hands-on instructional activity that features a board game to review division facts and practice more challenging division problems.
Other
Tal Cohen's Bookshelf: The Emperor's New Mind
This site from the Tal Cohen's Bookshelf provides a detailed review of the book, The Emperor's New Mind. An interesting look at the machines of our world and how they may take on more human tasks.
AAA Math
Aaa Math: Multiplication of Two and Three Digit Numbers
Explains the traditional way to multiply three-digit by two-digit numbers. Gives practice and games to practice this skill.
Other
Georgia Tech: All About Linear Programming
This site contains valuable information regarding advanced linear programming. With additional links for learning, simply click on the bar and you are on your way!
Other
Basket Math: Subtraction Practice
Use this interactive math site to practice subtraction problems.
Other
Simon Fraser University: Background for Linear Systems
This site from the Simon Fraser University gives an introduction to solving a system of differential equations.
Lizard Point Quizzes
Lizard Point: Subtraction Practice
At this site from Lizard Point Consulting, you can practice several different levels of difficulty of subtraction problems that use 1-digit numbers all the way up to 3-digit number subtraction problems that require regrouping. You can...
Varsity Tutors
Varsity Tutors: Aplus Math: Division Worksheets
Create customized division worksheets. Choose from single-digit divisors into three-digit dividends up to three-digit divisors into five-digit dividends. The size of problem set can be selected, as well as whether the format will be...
Other
Project Happy Child: Free Subtraction Worksheets
2000 basic subtraction worksheets are available at this web site. They can be printed and used for a variety of practice purposes. Some helpful hints are included to avoid mindless practice that could quickly become counter productive.
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