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Activity
Illustrative Mathematics

Checking a calculation of a decimal exponent

For Teachers 9th - 12th Standards
In a writing prompt, learners are asked to check the calculation of a decimal exponent without a calculator. Use as an opener or assessment after studying fractional exponents. Requires a strong understanding of exponents and roots to...
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Lesson Plan
Missouri Department of Elementary

Put Yourself in Check

For Teachers 8th
The final lesson in a four-part unit on conflict resolution offers middle schoolers strategies for how to keep themselves in check when involved in conflicts. A role-play activity and a reflective journal stress the importance of...
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Lesson Plan
American Chemical Society

M&M's in Different Sugar Solutions

For Teachers 3rd - 8th
To conclude a mini unit on the dissolving of M&Ms® candy coating, this lesson plan investigates whether or not the concentration of sugar in the solvent affects the dissolving rate. Consider having older science learners write their...
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Interactive
CK-12 Foundation

Linear Systems with Addition and Subtraction: Fill in the Boxes 2

For Students 8th - 10th Standards
Systematically combine shapes to arrive at one solution. The resource models a system of linear equations using colored shapes. Pupils follow rules to combine circles and squares to add the two equations together, resulting in one...
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Lesson Plan
Curated OER

Checking Sources For Accuracy

For Teachers 6th - 8th
Middle schoolers will paraphrase a resource without plagiarizing. Then rewrite after reading text. They then evaluate the site or reference they are using for accuracy. In the end, they complete a note-taking organizer.
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Lesson Plan
Missouri Department of Elementary

Opportunity Knocks, But It Costs, Too!

For Teachers 6th
Sixth graders practice six steps to effective problem solving. Working with the school counselor, class members are presented with a scenario that requires them to make a decision. Individuals then write a reflection in which they...
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Lesson Plan
Curated OER

Salty Solutions

For Teachers 6th - 8th
Students measure salt content in water. They determine salt content of four samples using a hydrometer.
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Worksheet
Curated OER

Solving Rational Equations and Checking for Extraneous Solutions

For Students 10th - Higher Ed
In this solving rational equations activity, students solve twenty rational equations making sure to check for extraneous solutions.  The solutions are provided.
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Worksheet
Curated OER

Square-Root Functions and Radical Equations

For Students 8th - 9th
This practice instructional activity includes simple radical equations, and some quadratic equations that can be solved by the square root method. There is good practice here in checking the solutions, and a few graphing problems. 
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Worksheet
Curated OER

The Effect of Dissolved Salt on the Boiling Point of Water

For Students 7th - 12th
Explore the properties of solutions with a lab activity. Chemistry fans determine the boiling point of water, add salt to create a solution, and then repeat the process four more times. They design their own data table and then graph the...
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Worksheet
Curated OER

Systems of Linear Inequalities

For Students 9th - 12th Standards
Graphing systems of linear inequalities is the focus of this worksheet. Problems range from checking solutions of inequalities, graphing systems of two inequalities, and graphing systems of three inequalities. Graphing horizontal lines,...
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Lesson Plan
EngageNY

An Appearance of Complex Numbers 1

For Teachers 11th - 12th Standards
Complex solutions are not always simple to find. In the fourth lesson of the unit, the class extends their understanding of complex numbers in order to solve and check the solutions to a rational equation presented in the first lesson....
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AP Test Prep10:08
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1
Flipped Math

Calculus AB/BC - Reasoning Using Slope Fields

For Students 10th - 12th
Find a solution in the field. An informative video presentation shows pupils how to use the information from a slope field to sketch the graph of a particular solution to a differential equation. Individuals learn how to determine the...
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Assessment
Concord Consortium

The Bus Route

For Students 3rd - 5th Standards
Patterns are extremely helpful when solving a puzzle. Young scholars attempt to find times a bus will pass each stop. They identify a pattern in the known stop times to identify the solutions.
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Interactive
CK-12 Foundation

Find Imaginary Solutions: Imaginary Zeros

For Students 10th - 12th Standards
The resource is the real deal. Individuals investigate the imaginary zeros of f(x) = x^2 + 1. They accomplish this task by using an interactive that shows input values x = a + bi and output values x^2 + 1 on a complex plane.
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eBook
Utah Education Network (UEN)

Utah Open Textbook: Chemistry

For Students 9th - 12th Standards
Technology can help save money and add convenience. The resource offers a free textbook for a complete Chemistry course. The text begins with a review of the scientific method and continues to explain topics such as chemical bonding,...
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Instructional Video20:30
3
3
Flipped Math

True False Equations

For Students 9th - 10th Standards
Determine what makes the equation true. Learners view an instruction video on determining what values make an algebraic equation true. The pupils describe the solution set using three different methods: verbally, set notation, and...
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Lesson Plan
Curated OER

Extraneous Solutions

For Teachers 9th - 12th Standards
Students find the roots of quadratic equations. In this algebra lesson plan, students solve radical equations and identify the positive and negative roots. They graph and analyze their functions.
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Lesson Plan
Curated OER

Estimating Solutions

For Teachers 5th
Finding approximate solutions to word problems allows users to assess the reasonableness of their answers. In a well-paced lesson, the class rounds numbers to estimate the solutions. They explain their thinking and determine if the...
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Lesson Plan
Curated OER

"Re-Solutioning": Practice Brings Out Our Best

For Teachers 7th
Seventh graders write scripts for scenarios to be "re-solutioned". One re-solution scenario will be role played for whole class. They also identify what personal responsibility means and who is responsible in taking personal...
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Lesson Plan
1
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EngageNY

Solution Sets to Simultaneous Equations (part 1)

For Students 9th - 10th Standards
How are systems related? Build on your pupils' previous knowledge of solving systems of equations by introducing systems of inequalities. Learners explore similarities between systems of equations and inequalities to make a strong...
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Lesson Plan
Virginia Department of Education

Radical Equations

For Students 9th - 12th Standards
Provide learners with the skill for how to examine algebraic and graphical approaches to solving radical equations. Learners solve various radical equations involving square root and cube root expressions. They first solve using...
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Worksheet
Prestwick House

Narrative of the Life of Frederick Douglass

For Students 9th - 12th Standards
Take a moment in your language or social studies class to review key terms and details from Narrative of the Life of Frederick Douglass. A quick crossword puzzle allows learners to check understanding before a larger unit, test, or...
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Worksheet
Curated OER

Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds

For Students 9th - 12th
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...