Math Learning Center
Grade 5 Supplement Set A2 – Number and Operations: Primes, Composites and Common Factors
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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Using a Factor Tree to Find the GCF
Learners use the example of a factor tree to find the greatest common factor of three numbers in four problems.
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Factor Trees
In 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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Using Factor Trees
For this math worksheet, students read about how to create a factor tree. Students use factor trees to determine the prime factors of 16 numbers.
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LCM: Factor Trees, Numbers Up to 10
Fourth and fifth graders complete factor trees to find the lowest common multiple out of the two numbers given up to the number 10. Students complete four problems.
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Prime Factorize
In this factorization worksheet, students prime factorize six numbers by using the factor tree method. The numbers given go up to the number 24.
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Factor Trees: 2 digit numbers
in this factors worksheet, students factorize 2 digit numbers by using the factor tree method. Students factorize 4, 2 digit numbers total.
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Factors Worksheet
In this listing factors learning exercise, students examine 30 math problems that require them to list the factors of 1-digit and 2-digit numbers.
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GCF by a factor tree
In this greatest common factor worksheet, students find the greatest common factor of 2 two digit numbers in each problem using factor trees. Students complete 4 problems.
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Positive Proper Factors Worksheet
In this factors learning exercise, learners list the positive proper factors for 20 specific numbers. Students record their answers in the boxes provided.
Helping with Math
Prime Factorization with Factor Trees (2 of 2)
The publisher has tagged this resource as designed to meet CCSS.Math,Content.6.NS.4, but it really is only the first step in the process of determining least common multiples and greatest common factors. Six numbers are given for...
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Make a Factor Tree
In this factoring worksheet, students solve 9 problems in which a two or three digit number is factored using a factor tree. Each number is in its own box. There are no examples.
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LCM of 3 Numbers: Factor Trees
In this lowest common multiples worksheet, students create factor trees to find the lowest common multiple of 3 numbers. Students complete 4 problems.
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Greatest Common Factor: Reteach
In this greatest common factor learning exercise, students review the different ways to find the greatest common factor for numbers including listing all the factors and finding prime factorization with factor trees. Students then list...
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Greatest Common Factor
In this GCF instructional activity, learners fill in missing numbers in factor trees and write the prime factorization to find the greatest common factor. Worksheet includes links to answers and additional worksheets.
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Greatest Common Factor #2
In this GCF worksheet, students fill in missing number in factor trees, then determine whether numbers are prime or composite. Worksheet includes links to answers and additional worksheets.
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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.
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LCM-Factor Trees
In this LCM activity, students use work space provided to create factor trees and find the LCM of sets of numbers. Answers are included on page 2.
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How Ecosystems Change
In this ecosystems activity, students will look at 4 diagrams and determine if either primary or secondary succession would occur after that particular event happened. Then students will determine the limiting factor for 4 different...
Science Matters
Formative Assessment #1
Discover how much your young scientists know about biotic and abiotic factors with a two-question formative assessment that requires them to observe, list, and describe.
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Prime Factorization
In this prime factorization worksheet, students complete factor trees for 2 digit numbers to find their prime factorization. Students complete 6 problems.
UAF Geophysical Institute
System Interactions: The Lorax and the Truffula Tree
If the Lorax were to write a letter, what would he write? Introduce your class to systems and feedback loops through the whimsical stylings of Dr. Seuss. Learners take on the Lorax's point of view to write a letter, among other activities.
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Prime Factorization Worksheet
Here's a prime factorization practice worksheet in which learners sharpen their problem solving skills as they solve six story problems.
Random House
Recipe for an Ecosystem
Creating an ecosystem is as simple as baking a cake. Well, maybe not, but using a recipe analogy helps learners realize that ecosystems consist of different components that come together in unique ways. Offer this worksheet as an...
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