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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...
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Modeling Prime Factorization
High schoolers model factors using tiles and grid paper. They differentiate between prime and composite factor trees. Students illustrate prime factorization using factor trees. They are given 12 tiles or cut-out paper squares. High...
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Leveled Problem Solving: Prime Factorization
In this prime factorization worksheet, learners solve a set of 6 problems related to prime factorization, including determining whether numbers are prime or composite and determining factors.
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Math Worksheet: Factoring
In this math factoring worksheet, students write a multiplication equation with prime numbers that equals the given product. There are no examples or explanations of the math vocabulary. There are18 problems to solve.
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Factors and Fractions
Find the greatest common factor of numbers. Learners review prime and composite numbers and how to find the prime factorization of a number. They also review the greatest common factor, least common multiple, and learn new ways to find...
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Finding Factors
For this finding factors worksheet, middle schoolers practice finding all the factors of 24 in twenty word equations and then find the prime factorization in ten equations.
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Grade 5: Multiple Towers
Fifth graders use interlocking cubes to build towers to represent factors of numbers and place the towers in the appropriate places on a Tower chart in order to look for patterns. They work in partner groups, and finish by writing...
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Divisibility
In this divisibility learning exercise, 6th graders solve 10 different problems that include determining whether various numbers are divisible by other numbers. They write yes on the line provided if the number is divisible or no if the...
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Factor Trees
For this factor trees worksheet, students make factor trees for 2 through 4 digit numbers. Students complete 20 factor trees for these numbers.
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Twenty Questions: The Hundred Chart
Use the 20 Questions game to practice math vocabulary and number properties! Project a hundreds chart and hand one out to learners. Ideally, give them counters (beans would work well) to mark off the chart so you can play multiple times....
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Factors and Greatest Common Factor
In this factors and greatest common factor learning exercise, 9th graders solve and complete 14 different problems. First, they state whether each number is prime or composite. Then, students find the prime factorization. In addition,...
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Prime Factors
Fifth graders review the concept of prime factorization. Then, they use the rules for divisibility and other notions to find the prime factorization of unfamiliar numbers. They solve problems in a whole class setting.
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Number Line Mathematics
Students translate problem situations into diagrams, models, and numerals using whole numbers, fractions, mixed numbers, decimals, and percents. They identify that numbers in different forms are equivalent or not equivalent using whole...
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Math: Am I Prime?
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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Prime Numbers
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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Identify Numbers
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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Factors, Divisibility, and Relatively Prime
Seventh graders explore the concept of divisibility. In this divisibility lesson, 7th graders use divisibility rules to find factors of numbers. Students create foldables to illustrate divisibility rules.
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Investigation-Design Your Own Spinner
Students design their own spinner that meets the given criteria. In this math lesson, students discuss biased versus unbiased events or outcomes when dealing with probability. Students are given 5 criteria that must be incorporated into...
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Factor Game (Number Theory)
Students use a Factor Board game to identify the properties of prime, composite, abundant, deficient and perfect numbers. The game is comprised of the numbers from 1 to 30 placed in a 5 by 6 grid. Pupils figure out they can score more...
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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...
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Prime Factorization
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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Finding Primes-The Sieve of Eratosthenes
In this middle school/Algebra I worksheet, learners 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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Counting from 1-20 - Odd and Even Numbers
In this number recognition worksheet, 2nd graders examine a number chart that includes the numbers 1- 20. They record all of the even numbers on one line, and all of the odd numbers on a second line.
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Number Theory
Learners explore the concept of number theory. They discuss an assortment of number theory topics such as prime numbers, composite numbers, GCF, modular arithmetic, and others in a lecture style discussion. Pupils view videos about these...
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