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Khan Academy

Khan Academy: Using Variables

For Students 9th - 10th
Some practice problems using variables in computer programming.
Handout
NASA

Nasa: Al Khorezmi and the Dawn of Algebra

For Students 9th - 10th
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.
Handout
University of California

Uc Irvine: Egyptian Fractions

For Students 9th - 10th
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,...
Handout
Wolfram Research

Wolfram Mathworld: Recursion

For Students 9th - 10th Standards
A brief description of recursive process from MathWorld. Click on any of the highlighted terms for more definitions.
Activity
NumberNut

Number Nut: Basic Math: Two Digit Division

For Students 3rd - 8th Standards
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...
Handout
Wikimedia

Wikipedia: John Von Neumann

For Students 9th - 10th
This site contains a Wikipedia description of John von Neumann
Interactive
Fun Brain

Fun Brain: Math Car Racing (Easy Subtraction Game)

For Students Pre-K - 1st
FunBrain's easy subtraction facts game lets players race cars, fueled by correct answers, around a track.
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Mr. Martini's Classroom

Mr. Martini's Classroom: Long Division Quiz

For Students 3rd - 8th
An interactive graded quiz allows students to practice long division with three- and four-digit dividends.
Activity
Lizard Point Quizzes

Lizardpoint: Division

For Students Pre-K - 1st
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!
Handout
AAA Math

Aaa Math: Divide a 5 Digit Number by a 3 Digit Number

For Students 6th Standards
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.
Lesson Plan
Other

Learn With Math Games: Driving Into Division

For Teachers 3rd - 8th
Hands-on lesson plan that features a board game to review division facts and practice more challenging division problems.
Website
Other

Tal Cohen's Bookshelf: The Emperor's New Mind

For Students 9th - 10th
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.
Handout
AAA Math

Aaa Math: Multiplication of Two and Three Digit Numbers

For Students 3rd - 8th Standards
Explains the traditional way to multiply three-digit by two-digit numbers. Gives practice and games to practice this skill.
Activity
Other

Georgia Tech: All About Linear Programming

For Students 9th - 10th
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!
Activity
Other

Basket Math: Subtraction Practice

For Students 3rd - 5th
Use this interactive math site to practice subtraction problems.
Activity
Other

Simon Fraser University: Background for Linear Systems

For Students 9th - 10th
This site from the Simon Fraser University gives an introduction to solving a system of differential equations.
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Lizard Point Quizzes

Lizard Point: Subtraction Practice

For Students Pre-K - 1st Standards
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...
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Varsity Tutors

Varsity Tutors: Aplus Math: Division Worksheets

For Students 9th - 10th Standards
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...
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Other

Project Happy Child: Free Subtraction Worksheets

For Teachers Pre-K - 1st Standards
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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Shmoop University

Shmoop: Fractions & Decimals: Adding & Subtracting Decimals

For Students 9th - 10th Standards
The mathematics notes investigate how to add and subtract decimals. Examples and practice problems with solutions are included.
Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Estimate the Quotient [Pdf]

For Students 3rd - 5th
This activitiy asks students to randomly select a one-digit divisor and a three-digit dividend and estimate the quotient mentally. Students must then explain why they believe their estimate is accurate.
Handout
Quia

Ixl Learning: Lattice Multiplication

For Students 4th - 5th Standards
Brush up on your math skills relating to lattice multiplication then try some practice problems to test your understanding.
Website
University of Regina (Canada)

University of Regina: Math Central: Interior Angle Measure of a Polygon

For Students 6th - 8th
This is a question response page from the University of Regina where you will find an algorithm for finding the number of degrees of any convex polygon.
Graphic
Curated OER

Science Kids: Science Images: Robot Soccer

For Students 9th - 10th
Two robots can be seen playing a game of robot soccer in an enclosed field. The wheeled robots move around the area using various sensors and algorithms to help perform better than the opponent. Touch sensors are used to avoid the walls...

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