Curated OER
Multiplying Decimals and Mixed Numbers
Students multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
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Pythagorean Theorem and Special Right Triangles
Young scholars review the Pythagorean Theorem and apply it to word problems involving special right triangles.
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Going out of Business: Pythagorean Theorem
Students find the length of diagonals. In this Pythagorean theorem lesson, students use the Pythagorean theorem to determine the length of diagonals.
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More Tables Questions
In this multiplication worksheet, students answer 40 short answer questions relating to a table square. Students answer each question as fast and as accurately as they can.
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Solving Quadratics
In this algebra instructional activity, 11th graders solve quadratic equations and simplify radicals in to their simplest form using a radical sign. They complete the square and factor equations. There are 13 questions on this...
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Extraneous Solutions
Students find the roots of quadratic equations. In this algebra lesson, students solve radical equations and identify the positive and negative roots. They graph and analyze their functions.
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Using Plant Pigments as Natural Dyes
Students create friendship bracelets and quilt squares. In this plant lesson student dye their own string and cotton material with plant pigments. Students use the naturally dyed materials to create the friendship bracelets and quilt...
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Tom Swifties
In this algebra word problem, students are given the first and last two letters of each word. They must figure out it the word is a verb or adverb and decipher what the meaning of each sentence is. There are 15 questions with an...
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Seed Germination
Students explore the process of seed germination. In this botany lesson, students complete an experiment with seeds. Students observe soaked and dry seeds. Students allow the seeds to germinate and make observations during this time....
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Flying with Pythagoras
A lengthy narrative about Pythagoras and his students precedes an activity in which your young mathematicians practice using the Pythagorean theorem to solve three problems about flight and distance. Answers are provided.
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The Pythagorean Theorem Lesson 2
Learners discuss and review examples of the Pythagorean Theorem using a GSP, Geometer's Sketchpad, activity.
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Researching and gathering information
Though text heavy, these nine slides present clear instructions for each stage of the research method that students should use to organize information about Saguaro Cacti. A good introduction to organizing research for a writing...
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Quadratic Equations
In this quadratic equations instructional activity, students solve quadratic equations. They write quadratic equations to solve a specified situation. This one-page instructional activity contains 3 problems.
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Concepts in Algebra
Study Islamic achievement in mathematics by exploring the six standard forms of equations. High schoolers will review the six forms of equations of Al-Khwarizmi. They solve equations using different forms. Links and resources are...
Willow Tree
Linear Relationships
There's just something special about lines in algebra. Introduce your classes to linear equations by analyzing the linear relationship. Young mathematicians use input/output pairs to determine the slope and the slope-intercept formula to...
Alabama Learning Exchange
Classifying Complex Numbers
Imaginary numbers are a real thing. Scholars learn about complex numbers, real numbers, and imaginary numbers. They classify given numbers as strictly complex, strictly real, or strictly imaginary in an individual or group activity.
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The Golden Students
Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...
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Schoolyard Bird Project
Students observe and count bird sightings around their schoolyard throughout the school year.
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Radical Equations
This task gives geometry learners practice in solving radical equations in one variable and zeros in extraneous solutions.
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Exercise Set 2.6: An Introduction to Functions
In this functions learning exercise, students solve 70 short answer questions. Students find domain of functions and evaluate them for a given value. Students determine if a mapping diagram represents a function.
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Online video games plus curriculum-based math equals an engaging educational tool.
Seventh graders use online math games to practice understanding the skill of estimation and order of operations. For this lesson, 7th graders use the internet to play online games to strengthen their understanding of these...
Radford University
A Change in the Weather
Explore the power of mathematics through this two-week statistics unit. Pupils learn about several climate-related issues and complete surveys that communicate their perceptions. They graph both univariate and bivariate data and use...
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No More Traffic Jams: Lesson 3
Traffic is a very real concern for any Urban dweller. After watching a video showing various traffic issues and solutions, learners group up to discuss and develop innovative traffic solutions of their own. They explore vocabulary and...
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What You See Is What You Get
Students practice visualization as a strategy for reading and comprehending math word problems.