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Lesson Plan
EngageNY

Least Common Multiple and Greatest Common Factor

For Students 6th Standards
Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...
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Interactive
Curated OER

Prime Factorizations - Post Test

For Students 4th - 5th
In this prime factorizations worksheet, students complete a set of 10 multiple choice questions. Students may print out the test or click on a link to see answers.
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Worksheet
Curated OER

Number Sense and Numeration: Multiples, Factors and Square Roots

For Students 6th - 8th
A great resource for any math teacher covering multiples, factors or square roots; this worksheet walks young mathematicians through the logic behind factoring and square roots with a systematic set of problems which gradually increase...
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Worksheet
Curated OER

Primes and Prime Factors

For Students 8th
In this primes and prime factors activity, 8th graders solve 21 different problems to include identifying each number as prime, composite, or neither prime nor composite and listing all the primes less than 200. Then they complete each...
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Assessment
Mathed Up!

HCF, LCM, and Product of Primes

For Students 6th - 8th Standards
Give the class a prime example of using prime numbers. After reviewing prime factorization of numbers with the video, pupils use their knowledge to determine greatest common factors and least common multiples in the worksheet. The...
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Activity
Math Learning Center

Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors

For Teachers 5th Standards
Incorporate riddles into your math lesson by having students make tree factors and determine if the number is a prime or composite. They will also use other clues to find the answer to the riddle while sharpening their multiplication...
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Worksheet
1
1
Mathed Up!

Factors, Multiples, and Primes

For Students 4th - 7th Standards
Reinforce the concept of factors, multiples, and prime numbers with a 16-problem practice learning exercise. Eight pages offer a variety of problem solving opportunities with clear objectives and tips for successful completion. 
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Worksheet
Curated OER

Least Common Multiple

For Students 6th - 9th
Give students detailed instructions on how to find the Least Common Multiple as well as practice with this thorough introductory worksheet. Instructions for this worksheet include an explanation of both guess and check as well as prime...
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Activity
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Illustrative Mathematics

Identifying Multiples

For Teachers 3rd - 5th Standards
Administer an activity that fosters a child's understanding of multiples. Young mathematicians are guided to complete three tasks on a multiplication chart. Once they color the boxes with multiples of two, three, and four, learners...
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Worksheet
Curated OER

Least Common Multiple

For Students 8th
In this least common multiples worksheet, 8th graders solve 20 different problems that include determining the least common multiple for each set of numbers. They first list the prime factors of each number given in the statement. Then,...
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Worksheet
Curated OER

Prime Factors

For Students 6th - 7th
In this prime factors activity, students solve and complete 20 different problems related to prime factors of various numbers. They determine the factors for each given number by multiplying various numbers together to get another number.
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Worksheet
Helping with Math

Factors With Prime and Composite Numbers (1 of 2)

For Students 4th - 6th Standards
Math monsters examine nine numbers, factor them, and then determine if they are composite or prime. You can print this worksheet off of the website, but it does not fit neatly onto one page. Consider projecting it on your class screen...
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Interactive
Curated OER

Prime Factorization

For Students 6th - 8th
In this prime factorization worksheet, students solve 7 multiple choice problems. Students find the prime factorization of 91, 84, 78, 70, 67,63, and 36.
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Interactive
Curated OER

More Factors and Multiples Pre-Test

For Students 6th - 7th
In this factorization pre-test worksheet, students solve ten multiple choice questions by finding the least common multiple. This is an interactive worksheet.
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Interactive
Curated OER

More Factors and Multiples: Greatest Common Factor: Pre Test

For Students 5th - 8th
In this greatest common factor worksheet, students answer multiple choice questions about problem solving and rules of the greatest common factor in numbers. Students complete 10 questions total.
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Interactive
Curated OER

More Factors and Multiples: Greatest Common Factor

For Students 5th - 10th
In this greatest common factor worksheet, students answer multiple choice questions about how to find the greatest common factor and actually finding it in problems. Students answer 10 questions total.
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Interactive
Curated OER

Prime Factorizations

For Students 5th - 10th
For this prime numbers worksheet, students answer multiple choice questions about prime numbers and how they are read. Students answer 10 questions total.
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Worksheet
Curated OER

Least Common Multiples

For Students 6th - 8th
In this math worksheet, students find the least common multiple of sets of numbers. Students factor each number to their prime factorization. They use the primes to find the least common multiples. This is a worksheet generator, the...
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Worksheet
Curated OER

Factors

For Students 7th - 9th
In this factors worksheet, students identify factors of given numbers. They identify prime numbers and name the least common multiple. This two-page worksheet contains 24 problems. This worksheet is designed to be completed mentally.
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Worksheet
Curated OER

Primes in Product

For Students 9th - 12th
In this secondary mathematics worksheet, learners must determine the two prime numbers and one composite number that would be factors of the given product.  The one page worksheet contains one problem with the solution. 
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Interactive
Curated OER

My Test Book: Multiples and Factors

For Students 4th - 6th
In this online interactive math skills worksheet, students solve 10 multiple choice math problems regarding multiples and factors. Students may view the correct answers.
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Lesson Plan
Curated OER

Mission: Finding the LCM using Prime Factorization

For Teachers 5th - 6th
For this prime factorization worksheet, students find the least common multiple of the given pair of numbers using factor trees. Students solve 10 problems.
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Worksheet
Curated OER

My Test Book: Multiples and Prime Factorization

For Students 5th - 7th
For this math skills worksheet, students solve 10 multiple choice math problems regarding prime factorization and multiples. Students may view the correct answers.
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Worksheet
Curated OER

Grade 5 Math: Factorization 2

For Students 5th
In this grade 5 math worksheet, 5th graders write 8 numbers as the product of their prime factors, using exponents to show multiples of the prime factor when needed.