Mathigon
Mathigon: Math Foundations: Divisibility and Primes: Factors and Multiples
This lesson focuses on factors and multiples; it explains each and provides practice activities and a quiz.
SEN Teacher
Sen Teacher: Multiplication Grid
Customize and print out a multiplication grid for use as a classroom handout. You can select grids of 10 or 12 and color or black and white.
Homeschool Math
Homeschool Math: Prime Factorization
This site contains a free lesson on Prime Factorization in which students learn by doing practice problems.
Khan Academy
Khan Academy: Find Missing Factors (1 Digit Multiplication)
Find missing factors in 1-digit multiplication problems. Products are less than or equal to 100. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Algebra: Single Variable Division Equations
[Free Registration/Login may be required to access all resource tools.] Solve single variable equations involving division by applying inverse operations.
National Geographic
National Geographic: 3 Pound Goldfish Found How'd It Get So Big?
Find out about factors that affected this huge goldfish found in Michigan.
CK-12 Foundation
Ck 12: Algebra: Problem Solving Models
[Free Registration/Login may be required to access all resource tools.] Learn how to solve problems using a step-by-step strategy.
Alabama Learning Exchange
Alex: Burst Into Jolly Multiplication/division Factors
The following lesson will serve as a hands-on math activity reviewing the 2's and 3's multiplication and division factors. Students will examine the relationship between multiplication and division using Starburst and Jolly Rancher candy...
Alabama Learning Exchange
Alex: My Favorite Number
The activity allows students to review many of the number theory concepts. Students will pick a composite number write verbal expressions about the number, find the factors, prime factorization, list multiples, draw a cartoon character...
Alabama Learning Exchange
Alex: Hanging Out With Prime Factorization
During this lesson, students will review factors, prime and composite numbers. Students will also create a mobile that show the prime factorization of the number of their choice. This lesson plan was created as a result of the Girls...
Better Lesson
Better Lesson: Factors & Multiples
Sixth graders will be able to understand the difference between a factor and a multiple.
Cool Math
Coolmath: Solving Quadratic Equations by Factoring
This CoolMath resource will help students solve quadratic equations by factoring.
Cool Math
Coolmath: Pre Calculus Freaky Factoring
This CoolMath resource provides a review of factoring polynomials and an introduction to factoring exponents that are fractions.
ABCya
Ab Cya: Math Lines Multiplication
Math Lines Multiplication is a fast-paced educational game for kids to practice factors. Combine two factors to equal the target number. The game is won when all number balls have been eliminated before reaching the exit hole. The faster...
National Council of Teachers of Mathematics
Nctm: Illuminations: Factorize
With this activity, you can visually explore the concept of factors by creating rectangular arrays. The length and width of the array are factors of your number.
National Council of Teachers of Mathematics
Nctm: Illuminations: Product Game
The Product Game is a fun, interactive game that exercises your skill with factors and multiples.
ABCya
Ab Cya: Prime Numbers
Number Ninja: Prime Numbers is a fast-action way to practice factors. Act quickly and use your finger or mouse to slice numbers and reduce them to their prime factors. Do not slice a prime number!
Better Lesson
Better Lesson: Investigating the Properties!
In this lesson plan, 4th graders will investigate and discuss the familiarity with factors and multiples to gain a deeper understanding. Downloadable printables are included.
Cuemath
Cuemath: Prime Numbers
Learn about the history of prime numbers, properties of prime numbers, and easy methods to find prime numbers. Included are solved examples and interactive problems for review.
Cuemath
Cuemath: Factors
A factor of a number in math is a number that divides the given number. Factors are used in many situations in daily life. This article explains factors and how to find factors using multiplication and division. Included are solved...
Cuemath
Cuemath: Prime Factorization
In this lesson, you will be learning prime factorization to solve various mathematical problems followed by solved examples and practice questions.
Quia
Ixl Learning: Factors
Brush up on your math skills relating to factors then try some practice problems to test your understanding.