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Worksheet
Curated OER

Factors of Numbers from 31 to 65

For Students 4th - 5th
Finding factors is an integral aspect of multiplication. Although there are two examples here, they don't illustrate the process so you will still need to model this a few times for scholars. First, mathematicians list the factors for...
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PPT
Curated OER

Prime Factorization

For Teachers 4th - 5th Standards
Factoring is an important math skill, and it's often quite confusing for youngsters. This presentation does a good job of showing the basic skills and vocabulary needed to begin to understand this important process. Prime numbers,...
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Worksheet
Curated OER

Probability of Numbers

For Students 5th - 6th
In this applying the probability of numbers from one to fifty worksheet, learners find divisors, prime numbers, composite numbers, and designated place value numbers. Students solve five problems.
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Worksheet
Curated OER

Prime Numbers

For Students 3rd - 5th
In this identifying prime numbers from one to fifty worksheet, students review prime numbers and color the prime numbers on the chart. Students color 15 answers. 
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Worksheet
Curated OER

Prime Numbers

For Students 4th - 5th
Prime numbers are the focus of this math activity. Students follow directions to identify prime numbers on a hundreds chart. Students follow clear directions in order to find a total of 25 prime numbers on the chart.
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 6th - 7th
Prime and composite numbers are the focus of this mathematics lesson. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly explained, and...
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Lesson Plan
Curated OER

Mastering Math Vocabulary of Prime and Composite Numbers Using Venn Diagrams

For Teachers 6th
Create Venn diagrams. Your class will discover the relationships between even and prime numbers. Next, they will compare that to the relationship between odd and composite numbers.
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Interactive
Curated OER

Review of Pre-Algebra

For Students 7th - 9th
Middle and high schoolers review topics covered Pre-Algebra. They solve problems questions dealing with exponents, square roots and absolute value. They use the rules of divisibility and identify prime numbers. This two-page on-line...
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Lesson Plan
Curated OER

Am I Am I Prime?

For Teachers 7th
Seventh graders determine if a number is prime or composite.  In this determining if a number is prime or composite lesson, 7th graders use a website to help find all prime numbers between 1 and 100.  Students use a website to find...
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Worksheet
Curated OER

Factorization

For Students 9th - 11th
For this algebra worksheet, studentss factor numbers using prime factorization.  They factor all the way to the prime numbers and then simplify. There are 10 questions with an answer key.
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Lesson Plan
Curated OER

Prime Numbers

For Teachers 9th - 11th
Students differentiate between prime and composite numbers. In this algebra lesson, students define the terminology and investigate the contributions made by Eratosthenes and Euclid as it relates to prime numbers. Students apply the...
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Worksheet
Curated OER

Prime Factorization Worksheet

For Students 4th - 6th
Here's a prime factorization practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.
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Lesson Plan
Curated OER

Prime Factorization: Finding Factors in the Fifth Grade

For Teachers 5th
The lesson starts out with a brain drain, which is a great way to get students to activate prior knowledge and build lasting connections. They tell everything they know about prime factorization, use their knowledge to...
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Worksheet
Curated OER

Chapter 2 Review: Prime Factorization

For Students 6th - 8th
In this prime factorization worksheet, learners find the prime factorization of numbers by using a factor tree. They compare fractions and identify equivalent fractions, and find the greatest common factor, order numbers, and convert...
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Lesson Plan
Curated OER

Prime and Composite Numbers

For Teachers 5th
Fifth graders use prime factorization to identify prime and composite numbers. They use cubes to find factors. In groups, 5th graders draw rectangular arrays to discover prime numbers under 100.
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Lesson Plan
Curated OER

Learning About Prime and Composite Numbers

For Teachers 6th - 8th
Students explore the concept of prime and composite numbers. In this prime and composite numbers lesson, students determine if a number is prime or composite.
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Worksheet
Curated OER

Number System

For Students 3rd - 6th
In this sets of numbers worksheet, students write sets of natural numbers, prime numbers odd numbers, and circle prime numbers. Students complete 4 problems.
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Worksheet
Curated OER

Number System

For Students 4th - 5th
In this number system worksheet, students complete several questions writing number sets for natural numbers, odd numbers, and prime numbers.
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Worksheet
Curated OER

Finding Primes-The Sieve of Eratosthenes

For Students 7th - 9th
For this middle school/Algebra I worksheet, students use the sieve of Eratosthenes to determine the prime number less than two hundred.  The one page worksheet contains one problem.  Answer is not provided. 
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Worksheet
Curated OER

Number Theory Worksheet 2: The Sieve of Eratosthenes

For Students 5th - 6th
In this primes and multiples worksheet, students follow the directions to circle primes and multiples on a hundred chart until all prime numbers from 1 to 100 are circled. This is called the Sieve of Eratosthenes.
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Lesson Plan
Curated OER

Prime Factorization

For Teachers 6th
Sixth graders participate in a lesson that focuses on the concept of finding the prime factorization of a number. They write the answer using exponential notation. Students play a game of Bingo to keep engaged during the lesson.
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Worksheet
Curated OER

Identify Numbers

For Students Higher Ed
For this identify numbers worksheet, students identify prime, composite, perfect, deficient, and abundant numbers listed on a one-hundred board. This two-page worksheet contains one-hundred numbers on each page.
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Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 4

For Students 4th Standards
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
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Worksheet
Curated OER

Number Theory Worksheet 2: The Sieve of Eratosthenes

For Students 4th - 6th
in this number theory worksheet, students use the Sieve of Eratosthenes to find all primes up to the number 100. Students follow the directions to circle primes and multiples on the hundred chart.