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Lesson Plan
Curated OER

10-4 Practice: Factoring Differences of Squares

For Teachers 8th - 10th
In this practice worksheet, learners factor the differences of squares and identify prime expressions. Polynomials contain one or more variables, with exponents. Students complete 42 problems. An answer key is provided.
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Lesson Plan
Curated OER

Math: Am I Prime?

For Teachers 7th
Seventh graders determine the difference between prime and composite numbers. On a Website, they discover a method to identify all the prime numbers up to 100 and also complete several online activities. Once they have discussed the...
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Activity
Other

Dan's Math: Basic Skills Topics

For Students 9th - 10th Standards
College professor Dan Bach offers a review of various basic topics in arithmetic, pre-algebra, and algebra. Order of operations, exponents, square roots, variables, and combining terms are just a few of the many topics covered.
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 2 Prime Factorization

For Students 6th - 8th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of prime factorization. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the...
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Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 1 Prime Factors

For Students 9th - 10th Standards
Use Glencoe's randomly generated self-checking quiz to test your knowledge of prime factors. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page click the "Check It" button and...
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Lesson Plan
Google

Google for Education: Measuring Complexity of Function or Algorithm

For Teachers 9th - 10th Standards
In this lesson, students learn how to measure the complexity of the function or algorithm in a math problem and understand how this applies to real world situations.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Greatest Common Factor 2

For Students 9th - 10th Standards
Twenty-four problems present a variety of problems working with finding the greatest common factor and finding prime factorizations. They are given with each step to the solution cleverly revealed one at a time. You can work each step of...
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Handout
Wolfram Research

Wolfram Mathworld: Prime Factorization

For Students 9th - 10th
This site gives a wonderful explanation of prime factorization including a very helpful table in understanding prime decomposition. Look further down the page to get information on Gaussian primes.
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Unit Plan
Texas Education Agency

Texas Gateway: Applying the Order of Operations

For Students 5th - 7th Standards
Given a numerical expression including whole number exponents and prime factorization, students will use the order of operations to generate an equivalent expression.
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Unit Plan
Cuemath

Cuemath: Square Root of 98

For Students 9th - 10th
In this mini-lesson, learn how to find the square root of 98 using various methods.
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Interactive
AAA Math

Aaa Math: Least Common Multiple

For Students 3rd - 8th Standards
This tutorial offers an explanation of least common multiples, practice finding them and a game to play. There is a lot of information available at this location.
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Activity
Amby Duncan-Carr

Prime Factorization: Amby's Resources

For Students 6th - 8th
What is prime factorization? This site goes through a step-by step process explaining different ways to find the prime factorization.
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Activity
Shodor Education Foundation

Shodor Interactivate: Factorize

For Students 3rd - 8th Standards
This Shodor site gives a brief explanation of factorization, and it allows you "to find all of the factorizations of a given number and then draw the product as the area of a rectangle on a grid."
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Activity
Texas Instruments

Texas Instruments: It's Greek to Me

For Teachers 6th - 8th
Students learn Euclid's Method of finding the Greatest Common Factor of large numbers. They also review finding GCF using prime factorization and listing.
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Activity
Texas Instruments

Texas Instruments: Factors Galore C: Prime Factorization

For Teachers 6th - 8th
In this activity, students use the calculator to find the prime factorization of a number.
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Activity
Elias Saab

Math Drills: Prime Factorization Quiz

For Students 3rd - 8th Standards
This site is an interactive quiz which provides students with a prime factorization problem. Students input their solution and have the program evaluate it. Hints are available if the student needs them, and explanations are provided...
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Unknown Type
Math Is Fun

Math Is Fun: Mathopolis: Practice Prime Factorization

For Students 6th - 8th
A set of six multiple-choice questions practicing prime factorization. A help page is available for further study.
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Unit Plan
Scholastic

Scholastic: Study Jams! Math: Multiplication & Division: Prime Factorization

For Students 4th - 7th Standards
This site provides great practice on the concept of prime factorization. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...
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Unit Plan
Sophia Learning

Sophia: Simplifying Radical Expressions: Lesson 5

For Students 9th - 10th Standards
This lesson will provide examples simplifying radical expression by applying the properties of square roots and prime factorization. It is 5 of 8 in the series titled "Simplifying Radical Expressions."
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Interactive
Mangahigh

Mangahigh: Sigma Prime: Prime Factorization With Multiplication and Division

For Students 4th - 6th Standards
Practice your multiplication and division skills with prime numbers and prime factorization as you battle alien invaders.
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Unit Plan
CK-12 Foundation

Ck 12: Arithmetic: Prime Factorization

For Students 6th
[Free Registration/Login may be required to access all resource tools.] Write the prime factorization of given numbers.
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Activity
Math Is Fun

Math Is Fun: Prime Factorization

For Students 3rd - 8th Standards
Find a definition or prime numbers and prime factorization, as well as examples on how to find the prime factors of 12 and 147. Also, follow a link to a Prime Factorization Tool.
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Activity
Varsity Tutors

Varsity Tutors: Hotmath: Graphing Calculator Practice Problems Number Theory

For Students 9th - 10th Standards
Practice using your graphing calculator for number theory problems, including prime factorization, greatest common factor, least common multiple, and scientific notation. If you get stumped or if you would like to check your work, then...
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Unit Plan
CK-12 Foundation

Ck 12: Elem Math: Prime Factorization

For Students 3rd - 5th Standards
[Free Registration/Login may be required to access all resource tools.] Students watch a video and attempt practice problems about prime factorization.