West Contra Costa Unified School District
Lowest Common Multiple through the Grades
The LCM will be your new BFF. Learners review least common multiple and least common denominator applications, mostly on fractions, from middle school. Scholars then see how the LCM can be applied to various types of problems from...
Curated OER
Common Multiples
Students explore the concept of common multiples. In this common multiple lesson, students find the lowest common multiple of two numbers.
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The 3 R's of Common Denominators
Third graders are shown an alternative method of determining the lowest common denominator of two or more unequal denominators. They complete a worksheet.
Curated OER
Finding the LCM
Students explore the concept of finding the least common multiple of two numbers. In this least common multiple instructional activity, students find the least common multiple of two numbers.
Illustrative Mathematics
Plastic Building Blocks
Let's build a castle! Dennis and Cody have big plans, but do they have enough blocks between the two of them to accomplish their goal? A great context that requires students to add and compare mixed numbers. Encourage the use of pictures...
Curated OER
Finding the Least Common Multiple
In this math worksheet, students learn to find the least common multiple and rewrite fractions with common denominators. There are step by step directions and 10 problems.
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Solving Rational Equations
In this rational equation worksheet, students solve rational expressions by finding the LCM. There are 18 problems on this two-page worksheet.
Curated OER
Fractions Forever!
Middle schoolers identify proper, improper fractions, and mixed numbers. They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as decimal...
University of Alaska
Clay Model Earth
What a great way to incorporate hands-on learning while teaching about the earth's layers. The class observes an overhead transparency (linked in Included Materials) as they create their own model Earth using different colors of clay....
Chicago Botanic Garden
Greenhouse Gas Emissions — Natural and Human Causes
What impact do humans have on greenhouse gas emissions? What are the natural causes of these gasses? Thanks to the carbon cycle, carbon dioxide eats away at the earth's atmosphere with the intensified help of humans. Young scientists...
Curated OER
Subtracting Fractions With Unlike Denominators
In this math worksheet, students read the information and study the examples on the page to learn how to find the LCD and make equivalent fractions of the same denominator before subtracting. There are 4 problems with step by step...
English Enhanced Scope and Sequence
Research Project Embedded with Media Literacy
Here is a phenomenal language arts lesson on media literacy for your middle and high schoolers. In it, learners produce a research product in the form of a public service announcement (PSA). First, they view examples of these PSA's to...
Chicago Botanic Garden
Micro-GEEBITT Climate Activity
A truly hands-on and inquiry based learning activity bridges all the lessons in the series together. Beginning with a discussion on average global temperatures, young meteorologists use real-world data to analyze climate trends in order...
Curated OER
Solutions to Equations with Variables on Both Sides
Students solve equations with variables on both sides. For this algebra lesson, students solve equations using addition, subtraction, multiplication and division. They graph their solution on a coordinate plane.
ARKive
Temperate Rainforest in the Pacific Northwest
Explore the amazing temperate rainforest of the Pacific Northwest. Your class starts by investigating the animals and plants of the Northwest, specifically Washington, and then research an animal population common to the area. In small...
Chicago Botanic Garden
Greenhouse Gas Emissions – Natural and Human Causes
Part three in the series of seven has pupils discussing the different greenhouses gases, learning about the carbon cycle, and then watching a short video about the carbon cycle. Based on their knowledge, individuals complete a greenhouse...
Curated OER
Microsoft Word - Similies
Fourth graders complete an attached simile worksheet. The teacher models the instructional activity on a LCD screen. They then open a simile template in the correct folder on Microsoft word. They insert similes, spell check their...
Alabama Learning Exchange
Solving Literal Equations
Learners solve literal equations. In this Algebra I/Algebra II instructional activity, learners view a PowerPoint presentation about solving literal equations. Learners have the opportunity to complete an interactive worksheet on the...
Chicago Botanic Garden
Calculating Your Carbon Footprint
Unplugging from technology for one day per week will decrease your carbon footprint—are you up to the challenge? Part two in a series of three allows individuals to explore their personal carbon footprints. By first taking a quiz at home...
Curated OER
Autism and Autism Spectrum Disorders: Disorders Extending Beyond the "Norm"
Learners develop an understanding of autism by engaging in an inquiry-based discussion. Pupils are exposed to the vast array of defining characteristics of autism spectrum disorders. They create posters about the developmental...
Curated OER
Media Literacy in Presentations
Middle schoolers study the three types of mass media messages: visual media, written media, and audio media. After a class discussion which has them list examples of each, learners get into pairs and work on analyzing the "Four A's" in...
Curated OER
Food on the Map
Students work together to examine the tastiest towns in the United States. After discovering the names of the equipment, they identify the seven continents. They take a survey and locate the cities and states of the foods mentioned.
Chicago Botanic Garden
Historical Climate Cycles
Ice core samples give scientists access to climates of old—those from more than 800,000 years ago. Through an analysis of various temperature graphs from ice cores, tree rings, and weather stations, scholars compare historical climates...
Chicago Botanic Garden
GEEBITT (Global Equilibrium Energy Balance Interactive TinkerToy)
Students use the GEEBITT excel model to explore how global average temperatures are affected by changes in our atmosphere in part two of this series of seven lessons. Working in groups, they discuss, analyze graphs, and enter data to...