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Interactive
Scholastic

Study Jams! Greatest Common Factor

For Students 5th - 8th Standards
When one method isn't enough to teach GCF, try two! This interactive webpage introduces factors and the prime factor tree to find the greatest common factor of two numbers. After the lesson, have learners click to try the two examples...
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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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Interactive
Scholastic

Study Jams! Prime Factorization

For Students 4th - 6th Standards
Deepen the number sense of young mathematicians by exploring the process of prime factorization. Follow along with this step-by-step presentation that explains how factor trees are used to break a composite number down into its prime...
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Interactive
Scholastic

Study Jams! Tree Diagrams

For Students 4th - 7th Standards
With so many toppings to chose from, make the ice cream truck combinations a fun math problem that teaches your learners about outcomes. The video introduces a tree diagram that allows your mathematicians to see how to create...
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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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Lesson Plan
Curated OER

Missing Factors

For Teachers 3rd - 5th
Students explore factors. They discuss factors, factor trees and prime factors. Students practice working with and finding various factors and prime factors. They discuss methods used to find factors.
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Lesson Plan
Curated OER

Prime Numbers and Factors

For Teachers 5th - 7th
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...
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Lesson Plan
Alabama Learning Exchange

How Old Is That Tree?

For Teachers 3rd - 5th
Fifth graders study environmental changes by examining the annual rings of a cross-section of a tree trunk. They access websites to complete a worksheet on the parts of a tree. They count the annual rings on a tree slice while observing...
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Lesson Plan
Curated OER

Super Factors

For Teachers 5th - 8th
Students complete activity pages. In this factors lesson, students practice finding the factors of numbers. They discuss prime factors and prime factorization and learn how to complete a factor tree.
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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

Chocolate Math

For Teachers 3rd - 6th
Students practice solving math equations by analyzing chocolate recipe measurements. In this chocolate baking math lesson, students read about the Hershey factory and recipes used to create chocolate bars. Students solve problems and...
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Lesson Plan
Curated OER

Prime Factorization

For Teachers 5th - 6th
Students work with prime numbers. In this prime factorization lesson, students review writing numbers in their prime factorization form and solve multiple problems.
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Lesson Plan
Curated OER

The Fair Factor

For Teachers 5th - 6th
Students participate in playing many games to determine if they are fair or not. They create their own game that is fair to play with their classmates.
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Lesson Plan
Curated OER

The Generation of Fractions

For Teachers 4th - 5th
Young scholars explore the process of reducing fractions to simplest form by using a multiples grid. In this simplest form lesson, students pull different fractions out of a bag and then consult their grid to discover all the multiples...
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Lesson Plan
Curated OER

How Healthy is the Wetland?

For Teachers 5th - 8th
Students explore wetlands. In this ecology lesson plan, students visit a wetland site and collect data about the wetland functions. Students record their results and use the data recorded to rate the wetland site on its function.
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Lesson Plan
Curated OER

Plant Diversity and Distribution

For Teachers 3rd - 12th
Students construct a defined plot on school grounds and observed patterns in plant life. They count trees, shrubs, cacti and record on a data sheet. They compare data and generate a plant diversity overlook for their school.
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Lesson Plan
Curated OER

Maximizing Lumber Cuts

For Teachers 4th - 6th
Learners examine how lumber companies use each tree to the fullest extent. They practice using a saw blade in which they cut a piece of wood in different configurations to see which cut can waste the least.
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Lesson Plan
Curated OER

Forest Ecology or Who Lives Here?

For Teachers 4th - 6th
Students explore a hardwood forest. In this forest ecology lesson, students examine the diversity and animals and plants as they explore their habitats at Poricy Park Conservatory. Students determine how biodiversity and abiotic elements...