Curated OER
Euclidean Algorithm
Students are introduced to the concept of a Greatest Common Divisor. They review the number systems. Students are told how the entire field of Number Theory primarily uses the integers. They are told the Fundamental Theorem of Algebra.
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Integer Subtraction
Learners examine why a negative number subtracted from another number changes the operation to addition.
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The Elements
Fifth graders explore the differences between elements. In this elements and atoms lesson students complete an activity that shows how chemicals react to a flame test.
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Arranging Chairs (Arrays)
The creation of arrays is the focus of this mathematics lesson. Pupils consider a situation for a theater stage performance: different amounts of people are coming to the show, and they must arrange the seats in rows of equal numbers. A...
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Writing Variable Expressions for Physical Models
Explore the concept of writing variable expressions by examining the similarities between expressions with numbers and expressions with variables. Emerging mathematicians determine rules for sequences and patterns before writing a rule...
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Poetry Cubes
Students develop an appreciation for different styles of poetry and learn different techniques for memorization.
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Pebbles, Sand and Silt -- Categorizing Fiction and Informational Books
Primary readers complete the activities in a Pebbles, Sand and Silt FOSS kit. As a class, they are given a group of rocks and they are to categorize them based on their activities in the FOSS kit. They use this information and apply it...
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Clothesline Sleuth
What fabrics are our clothes made of? Where do those fabrics from? Lead your pupils to discover the answers to these questions and more. Class members have a chance to play with various fabrics, invesitgating the materials and labels...
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MyVocabulary.com: Word Roots CERN, JUR, and LEG Advanced Crossword Puzzle
A fun and challenging way of using word roots to increase learners' vocabulary, this crossword puzzle provides 12 clues to vocabulary words containing the word roots cern, jur, and leg. In order to complete the puzzle, they must supply...
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Arrays of Food
This lesson is based on video clip 220 from the Count on it! series, however the same problem can be posed with out the video. Learners work independently to determine the amount of dried food they will need for a camping trip. Each...
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Complexity Madness
Discuss different techniques for finding the area of a geometric shape, with a great visual guide. Using a real life example, learners calculate the area of a rectangle and a square.
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Happy New Year (ESL Lesson)
Ring in the new year with this ESL presentation about New Year's celebrations in the United States. Slides show details of the holiday, such as a calendar, confetti and streamers, and fireworks. Use the slideshow in the context of a unit...
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Count by Tens: Beginning ESL Lesson
Different pictures and illustrations show ESL students the relationship between numbers and their English names (10 and ten, for example). Each slide provides one picture and one number, counting by tens, all the way up to one hundred....
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Images of Our People
Students investigate the history of peoples in the western United States. To accomplish this Students use photographs as images that capture the context of different cultures. Then they write reflections about each culture.
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Crayon Etching (Scratch Art)
What to do at a time when we have a little extra time to fill and need an activity that won't take a lot of prep? This art project is simple and can be linked to various other subjects. Learners use crayons to color in their paper, then...
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Cleveland May Gamble on Gambling
Students read articles, both pro and con, about a city proposing to approve gambling. They discuss the biases of the articles then interview parents and community members about the issue. They work in small groups to develop either a pro...
Jordan School District
Picture Frames and Algebra
Middle schoolers create a method for finding the area of a fame for a picture and then transfer their shared methods into algebraic expressions. They develop the algebraic language to communicate and solve problems effectively and use...
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Mural Mania
Learn about your home state. After listening to stories about your state, identifying symbols, and discussing what makes your region special, your class creates a mural.
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What Does Christmas Mean to Me?
Students write an essay entitled "What Does Christmas Mean to Me?" In this writing lesson, students express their feelings about Christmas in an essay. Students discuss ways they have given to others during the Christmas season, then...
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Using Tens Frames To Build Basic Facts of Five
Students are introduced to the basic addition facts of five. Through modeling and instruction and the use of ten frames, they discover the various ways numbers can be added together to equal five. (4+1, 2+3, etc.) They repeat with facts...
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Putting It Together
Students create number combinations. In this problem solving lesson, students participate in a classroom activity that requires them to create as many object combinations as possible and multiplication sentences that compliment the...
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Basketball: Number Sense
Third graders explore their addition and subtraction skills. In this number sense lesson, 3rd graders analyze different scoring possibilities for a basketball game. This lesson incorporates the use a video titled "Blossom and Snappy...
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Exponents
Ninth graders solve problems involving exponential functions. In this algebra lesson, 9th graders apply their knowledge of exponential properties to add, multiply, divide and subtract exponential functions. They perform these operations...
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Percentages, Fractions and Decimals
In this algebra worksheet, students are asked to convert between percents, fractions and decimals. They calculate interest as it relates to real world scenario. There are 5 a,b,c questions.