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The Stony Brook Algorithm Repository

For Students 9th - 10th
A comprehensive collection of algorithm implementations for fundamental problems in combinatorial algorithms. Provides algorithms for common programming problems. It also provides pointers on how to implement those algorithms in various...
Handout
Kent State University

Rashid Bin Muhammad: Design and Analysis of Algorithms

For Students 9th - 10th
This site contains the lecture notes from Dr. Muhammad's course on algorithm design and analysis.
Website
National Institute of Standards and Technology (NIST)

Dictionary of Algorithms and Data Structures: Radix Sort

For Students 9th - 10th
A DADS description of the Radix sort algorithm.
Activity
University of Auckland School of Computer Science

Morris: Radix Sorting

For Students 9th - 10th
A detailed description of the Radix sort algorithm, including a code solution written in the C programming language and an interactive animation / visualization of the sort at work.
Activity
University of Auckland School of Computer Science

Morris: Binary Search

For Students 9th - 10th
A description of finding data in an ordered collection using a binary search algorithm.
Handout
Paul Dawkins

Paul's Online Notes: Algebra: Dividing Polynomials

For Students 9th - 10th
Detailed math tutorial features notes and examples that take a look at the basics dividing polynomials, introduces synthetic division, and gives the Division Algorithm.
Activity
University of Auckland School of Computer Science

Morris: Sequential Searches

For Students 9th - 10th
A description of locating data in a collection with a sequential search algorithm.
Activity
Cut the Knot

Cut the Knot: Lattice Multiplication

For Students 9th - 10th Standards
Have you heard of the 13th century mathematician, Leondardo Fibonacci? See examples of his concept of a lattice multiplication algorithm. Several example problems, including an interactive one where students can change the factors, are...
Lesson Plan
Alabama Learning Exchange

Alex: Multiplication My Way

For Teachers 3rd - 5th Standards
In this lesson plan, students will explore the US Algorithm Method of multiplication using a unique way of describing it known as the Turtlehead Method. Students will collaboratively work together to complete story problems using the US...
Activity
Science Buddies

Science Buddies: Digital Image Processing

For Students 9th - 10th
Students who are mathematically inclined can use the student version of a program like MatLab or Mathematica to convert a digital image into numbers, then perform operations such as sharpening or special effects. This is a great way to...
Unit Plan
TED Talks

Ted: Ted Ed: Inside Ok Cupid: The Math of Online Dating

For Students 9th - 10th
Christian Rudder, one of the founders of popular dating site OKCupid, details the algorithm behind connecting couples online. [7:30]
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F if Running Time

For Teachers 9th - 10th
This task provides an application of polynomials in computing. Students are asked to calculate the running time of algorithms for loading images of different sizes. They then graph the running time polynomials and decide which is more...
Lesson Plan
Code.org

Code.org: Cs Fundamentals: Lesson 4: Debugging With Laurel

For Teachers 2nd - 4th
Students will practice debugging in the "collector" environment. Students will get to practice reading and editing code to fix puzzles with simple algorithms, loops and nested loops.
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Other

Ibm: Mastering Recursive Programming

For Students 9th - 10th
A discussion of how to write a correct recursive algorithm. Numerous examples are given in several different programming languages.
Article
History of Computing Science

History of Computing Science: The Turing Machine

For Students 9th - 10th
A Turing Machine is not an actual machine, but rather a symbolic system that can be used to represent any algorithm used to solve a problem. This lecture series gives a very brief description of the Turing Machine.
Website
University of Auckland School of Computer Science

Morris: Heap Sort

For Students 9th - 10th
A description and demonstration of the heap sort algorithm.
Lesson Plan
Better Lesson

Better Lesson: Multiplying With Decimals Day 2

For Teachers 6th Standards
If 24 x 63 =1512, then what will be the product for 0.24 x 6.3? Students work on answering these questions and solidifying an algorithm for multiplying decimals.
Website
Science Buddies

Science Buddies: Image Compression vs. Image Quality: Finding the Best Tradeoff

For Students 6th - 8th
In this project you'll learn about how digital image files are encoded, and compressed. You will also measure the quality of compressed and uncompressed images, which will give you important insights into the tradeoffs between file size...
Website
University of Maryland

Treemaps Constrained Visualization of Hierarchy

For Students 9th - 10th
How the treemap started. Additional clicks will lead you to animated demonstrations of treemaps. Explore related treemap research and development.
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Math Drills

Math drills.com: Free Division Worksheets

For Students 3rd - 8th
On this site, division worksheets can be downloaded and printed for free. Learners can practice division facts, long division with and without remainders, and long division with decimal quotients.
eBook
Mathigon

Mathigon: Graphs and Networks: Graphs in Everyday Life

For Students 9th - 10th
This lesson focuses on graphs in everyday life including virtual graphs such as the Internet or physical computer networks of computers. It puts graph theory into practice and provides examples and learning exercises.
Interactive
Other

Greatest Common Factor Calculator

For Students 9th - 10th Standards
Free online calculator provides help with finding the greatest common factor.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Multiplication, Division and Place Value, Part 1

For Teachers 6th Standards
Sixth graders are presented with a completed multiplication equation and are asked to use it to find the answers to seven other equations. To do this, they must use their reasoning and estimation skills. Aligns with 6.NS.B.3.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.ns Movie Tickets

For Teachers 6th Standards
In this task, 6th graders are asked to compare the buying power of $20 in 1987 and 2012 with respect to the cost of movie tickets. Aligns with 6.NS.B.3.

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