Lesson Plan
Curated OER

Factor Trees

For Teachers 4th - 7th
In this factor trees worksheet, students make factor trees for 2 through 4 digit numbers. Students complete 20 factor trees for these numbers.
Lesson Plan
EngageNY

Least Common Multiple and Greatest Common Factor

For Students 6th Standards
Find the common denominator between prime factors, factor trees, and the distributive property. Scholars learn to find the least common multiple and greatest common factor of pairs of numbers. They rotate through stations to connect...
Lesson Plan
1
1
Willow Tree

Factoring Polynomials

For Students 8th - 11th Standards
Young mathematicians discover trees organize more than just families — they help factor, too. The lesson begins with factor trees and develops slowly to factoring by grouping and special patterns. 
Lesson Plan
Illustrative Mathematics

How Many Leaves on a Tree?

For Teachers 9th - 12th Standards
This is great go-to activity for those spring or fall days when the weather beckons your geometry class outside. Learners start with a small tree, devising strategies to accurately estimate the leaf count. They must then tackle the...
Lesson Plan
US Environmental Protection Agency

Tree Rings: Living Records of Climate

For Teachers 5th - 10th
Open with a discussion on weather and climate and then explain how tree rings can provide scientists with information about the earth's past climate. Pupils analyze graphics of simulated tree rings from various US locations for the...
Lesson Plan
1
1
Chicago Botanic Garden

What Can Tree Rings Tell Us About Climate?

For Teachers 10th - 12th Standards
Tree rings are slightly thicker on the south side of the tree because it receives more sunlight. Part two in a series of five lessons helps learners analyze tree rings to determine the environmental conditions that caused size...
Lesson Plan
National Park Service

Aspect, Treeline, and Climate

For Teachers 6th - 8th
Head to the treeline and beyond to examine how this feature of the landscape affects weather and climate, which gives scientists clues about its health. Class members' observations of photographs provide the data...
Lesson Plan
UAF Geophysical Institute

System Interactions: The Lorax and the Truffula Tree

For Teachers 3rd - 5th
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.
Lesson Plan
Curated OER

Learning About Trees

For Teachers K - 2nd
After looking at pictures of trees, discussing tree growth, and identifying the parts of a tree, lead your class on a nature walk and have them collect samples and record their observations. They then work in pairs to polish the...
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...
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.
Lesson Plan
Curated OER

Structural Factors in Evolution

For Teachers 9th - 12th
Laboratory activities encourage evolutionary biology scholars to consider homologous structures as evidence of common ancestry. They learn how to formulate phylogenic trees and that environment influences to genetic variation. Activities...
Lesson Plan
Curated OER

Greatest Common Factor: Using the Factor Tree

For Teachers 9th - 10th
Students find the greatest common factor of two numbers. In this algebra lesson, students use prime factorization to find their factor to simplify equations. they create a factor tree to find the factors of composite numbers.
Lesson Plan
National Wildlife Federation

Branching Out – Exploring Dendrochronology

For Teachers 9th - 12th Standards
Tree rings from North America give a continuous history of El Nino intensity over the last 1,100 years. Scholars learn how scientists use tree rings to create timelines demonstrating variations in weather patterns. The cumulative...
Lesson Plan
Curated OER

Lesson: Paul Chan: Tree of Life

For Teachers 9th - 12th
Paul Chan's work has been known to show the cycle of change. Learners explore the concept of change by analyzing his work and reading the poem "For Which it Stands." They consider symbolism, communication, art, and society as they use...
Lesson Plan
Curated OER

Lord of the Rings - A Study of Tree Rings

For Teachers 7th - 8th
Students examine trees and discuss how the environment effected the tree. They also predict what the area look like in fifty years.
Lesson Plan
Curated OER

Abiotic and Biotic Factors

For Teachers 3rd - 5th
Young scholars examine abiotic and biotic factors. They define biotic and abiotic, categorize a list of items onto a Venn diagram, label various items from areas on the school grounds as biotic or abiotic, and diagram a magazine picture.
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...
Lesson Plan
1
1
University of Florida

Unhealthy Forests and the News

For Teachers 9th - 12th
Everyone knows a tree makes a sound when it falls, but what do we know about dying trees? Class members learn background information about Laurel wilt disease from a teacher-led presentation. Team members work with partners to read and...
Lesson Plan
Global Oneness Project

Then and Now

For Teachers 9th - 12th Standards
The devastating changes happening to the Native American inhabitants of an island off the coast of Louisiana are the topic of an informational lesson. After scholars break into groups to explore particular topics, they come back together...
Lesson Plan
Curated OER

Mathematics: Prime and Composite Numbers

For Teachers 6th
Sixth graders explore how to apply the commutative property and the rules of divisibility. They examine the difference between prime and composite numbers.
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,...
Lesson Plan
EngageNY

Between-Figure and Within-Figure Ratios

For Teachers 9th - 10th Standards
Tie the unit together and see concepts click in your young mathematicians' minds. Scholars apply the properties of similar triangles to find heights of objects. They concentrate on the proportions built with known measures and solve to...
Lesson Plan
Forest Foundation

Fire Investigation and Experimentation

For Teachers 4th - 8th
Assess the probability of a wildfire with several lessons about fire danger ratings and risk factors. After experimenting with fuel moisture, learners explore the various elements that could contribute to a wildfire, such as wind...

Other popular searches