Unit Plan
Shmoop University

Shmoop: Basic Operations: Lcm & Gcf

For Students 9th - 10th Standards
Students learn about the least common multiple and the greatest common factor. The resource consists of notes, step-by-step examples, and practice problems with solutions.
Handout
Quia

Ixl Learning: Multiples

For Students 4th - 6th Standards
Brush up on your math skills relating to multiples then try some practice problems to test your understanding.
Unknown Type
Elias Saab

Math Drills: Lcm and Gcd Quiz

For Students 9th - 10th Standards
An interactive quiz which provides students with two numbers and asks them to find either the Least Common Multiple or the Greatest Common Divisor between them. Students input their solution and have the program evaluate it. Hints are...
Interactive
Goodwill

Gcf Global: Basic Skills

For Students 9th - 10th
Intimidated by computers? New to email and the Internet? Curious about operating systems and online safety? We've got the information you need to better understand computers and how they work. This is a landing page that has multiple...
Unit Plan
Goodwill

Gcf Global: Sharing and Collaborating on Files

For Students 9th - 10th
Google Drive makes sharing files simple. It also allows multiple people to edit the same file, allowing for real-time collaboration. Watch a video to learn more about these features. Includes examples and exercises. [2:58]
Interactive
Other

Sieve of Eratosthenes

For Students 4th - 5th Standards
Named after the Greek Mathematician. This classic method of finding prime numbers is also great for teaching about factors and multiples. The visnos sieve allows for multi colored squares this allows identification of any numbers prime...
Lesson Plan
University of Texas

Inside Mathematics: Number Trains [Pdf]

For Teachers 3rd - 5th Standards
This task challenges a student to demonstrate understanding of the concepts of factors and multiples.
Activity
Math Slice

Math Slice: Least Common Multiple: Math Worksheets

For Students 3rd - 5th Standards
This tool allows you to create worksheets where students must find the lowest common factor in a set of two to four whole numbers.
Activity
National Council of Teachers of Mathematics

The Math Forum: Ask Dr. Math: Greatest Common Factors, Least Common Multiples

For Students 9th - 10th
Math Forum response to request for info on how to find greatest common factors, and how this compares to least common multiples. Explanation includes examples of each.
Unknown Type
McGraw Hill

Glencoe Online: Abiotic Factors

For Students 6th - 8th
Take this 8 question check quiz on abiotic factors. The quiz is multiple choice.
Unknown Type
University of Waterloo (Canada)

University of Waterloo: Cemc: Math Circles: Number Theory Ii [Pdf]

For Teachers 9th - 10th
This learning exercise provides a series of problem-solving questions that require higher order thinking skills. Questions will include finding the greatest common divisor, and least common multiple.
Unknown Type
McGraw Hill

Glencoe: Self Check Chapter Test Fractions and Decimals

For Students 5th - 6th
Students are assessed on fractions and decimals. Topics include greatest common factor, improper fractions, and fractions as decimals. The self-checking test includes hints and solutions.
Unit Plan
Goodwill

Gcf Global: Reciprocals and Inverse Numbers

For Students 9th - 10th
Read this tutorial to learn about reciprocal and inverse numbers and how they work.
Website
PBS

Pbs Learning Media: Pizza Toppings

For Students 6th - 8th Standards
This Cyberchase video features Bianca who uses Venn Diagrams to make a pizza that satisfies the topping preferences of her friends.
Interactive
Mangahigh

Mangahigh: Number: Prime Numbers

For Students 5th - 7th
Explore factors and multiples to determine prime numbers.
Activity
University of Cambridge

University of Cambridge: Nrich: Making Sticks

For Students 3rd - 8th Standards
On this one page website sharpen your logic, factors, and multiples skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: Block Four

For Students 3rd - 5th
On this one page website sharpen your logic, factors, and multiples skills while working on this challenge. The solution is available to double check your solution.
Activity
University of Cambridge

University of Cambridge: Nrich: What's Left?

For Students 3rd - 5th
On this one page website sharpen your logic and factor recognition skills while working on this challenge. The solution is available to double check your solution.
PPT
Sophia Learning

Sophia: Zeros and Their Multiplicities: Lesson 4

For Students 9th - 10th
This lesson demonstrates how to use factoring to find the zeros of a polynomial function, and explains how to tell if a particular zero occurs more than once. It is 4 of 6 in the series titled "Zeros and Their Multiplicities."
Unit Plan
Sophia Learning

Sophia: Zeros and Their Multiplicities: Lesson 3

For Students 9th - 10th
This lesson demonstrates how to use factoring to find the zeros of a polynomial function, and explains how to tell if a particular zero occurs more than once. It is 3 of 6 in the series titled "Zeros and Their Multiplicities."
Professional Doc
AdLit

Ad lit.org: Dropout Risk Factors and Exemplary Programs

For Teachers 9th - 10th
Dropout decisions may involve up to 25 significant factors, ranging from parenthood to learning disabilities. The most effective interventions address the various factors and employ multiple strategies, including personal asset building,...
Unknown Type
Illustrative Mathematics

Illustrative Mathematics: 4.oa the Locker Game

For Teachers 3rd - 5th Standards
The purpose of this instructional task is for students to deepen their understanding of factors and multiples of whole numbers. Aligns with 4.OA.B.4.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Product Game

For Students 3rd - 8th
The Product Game is a fun, interactive game that exercises your skill with factors and multiples.
Lesson Plan
Better Lesson

Better Lesson: Investigating the Properties!

For Teachers 4th Standards
In this instructional activity, 4th graders will investigate and discuss the familiarity with factors and multiples to gain a deeper understanding. Downloadable printables are included.

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