Curated OER
Prime Factorization: Finding Factors in the Fifth Grade
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...
CK-12 Foundation
CK-12 Middle School Math Concepts - Grade 6
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
Curated OER
Chapter 2 Review: Prime Factorization
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...
Curated OER
Prime Factorization - Practice 7-2
Finding the prime factors of two numbers is the focus of this math learning exercise. Students write the factors to complete 2 factor trees, write the prime factorization for 9 numbers and answer 2 word problems.
Curated OER
Math Games for Skills and Concepts
A 27-page packet full of math games and activities builds on algebra, measurement, geometry, fractional, and graphing skills. Young mathematicians participate in math games collaboratively, promoting teamwork and skills practice.
Willow Tree
Factoring
Build an understanding of factors and use it to write the prime factorization of numbers. After exploring key vocabulary, learners create prime factorization for given numbers. They then use the prime factorizations to determine the...
Curated OER
Mathematical Treasure Hunt
The hunt is on! Young mathematicians follow clues and complete a series of ten math puzzles as they try to crack Dr. Integer's code and find the location of his hidden treasure.
Illustrative Mathematics
Identifying Rational Numbers
Eight different numbers are listed for mathematics masters to analyze. They simply tell if each number is rational or irrational. They can also explain their reasoning. A simple and straightforward worksheet that is a handy tool for...
Curated OER
Prime Factorization
Learners work with prime numbers. In this prime factorization lesson, students review writing numbers in their prime factorization form and solve multiple problems.
Curated OER
Prime and Composite Numbers
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.
Curated OER
Find Prime Numbers
In this finding prime numbers practice worksheet, students sharpen their problem solving skills as they solve 6 story problems.
Curated OER
Prime and Composite Numbers
Fifth graders investigate the concepts of composite and prime numbers. They factor different numbers and determine the number of factors for each. Based upon this information the number is declared prime or composite.
Curated OER
Prime and Composite Numbers
Sixth graders identify prime and composite numbers and complete an activity problem. Given a 100 chart, they follow directions to create a prime number chart. In groups, 6th graders play a "Prime Take Away" activity to reinforce prime...
Curated OER
5th Grade Math Sheet
In this 5th grade math instructional activity, 5th graders solve 10 various types of questions that include place value and prime numbers. First, they find the least common multiple of two numbers. Then, students determine the value of...
CK-12 Foundation
Prime Factorization: Chocolate Chip Factoring
An interactive resource challenges mathematicians to show what they know about prime factorization. Five multiple-choice, true or false, and discussion questions use chocolate chip cookies to set a real-world application of the concept.
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 4
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,...
Curated OER
Am I Am I Prime?
Seventh graders determine if a number is prime or composite. In this determining if a number is prime or composite lesson plan, 7th graders use a website to help find all prime numbers between 1 and 100. Students use a website to find...
Curated OER
Prime Time
Seventh graders practice determining the prime factorization of composite numbers. They create Christmas factor trees for prime numbers greater than 100. They decorate their final products with markers, crayons, colored pencils, glitter...
Curated OER
Prime Real Estate
Students analyze and discuss prime numbers and the Sieve of Eratosthenes, a procedure to sort out prime numbers. They identify the prime numbers from 1-100 by eliminating all the multiples of the first four prime numbers, and circle what...
Curated OER
Using Square Tiles to Investigate Numbers
Fifth graders model and distinguish between prime and composite numbers. Students are paired up with another classmate to complete this lesson. Students are assigned different numbers to work with, they use square tiles to form as many...
Curated OER
Factors
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.
Curated OER
Factorization
In this algebra activity, 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.
Curated OER
Learning About Prime and Composite Numbers
Learners explore the concept of prime and composite numbers. In this prime and composite numbers instructional activity, students determine if a number is prime or composite.
Curated OER
Factors, Prime Factorization, Multiples
Seventh graders examine Prime Factorizations, Multiples, and Factors. In this prime number, factorization, and multiples activity, 7th graders identify greatest common factors and least common multiples. Students use problem solving...