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### We found 139 reviewed resources

Lesson Planet: Curated OER

#### Manufacturing: Gas Metal Arc Welding (GMAW) Shielding Gas Mix

Middle schoolers apply math to the real-world skill of choosing the correct shielding gas mixture for welding. Even if you do not have shielding gas cylinders on hand for demonstrating, the concepts of converting percentages into...

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#### Wind Tunnel Testing

One of the factors that automotive engineers must consider is wind drag. The less wind drag, the more efficient the car will be. They perform many tests in wind tunnels, then refine their designs and test again. Using simple materials,...

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#### Business Management and Administration: Compound Interest - A Millionaire's Best Friend

Many math concepts are covered through this resource: percentages, decimals, ratios, exponential functions, graphing, rounding, order of operations, estimation, and solving equations. Colorful worksheets and a link to a Google search for...

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#### Architecture and Construction: Stair Construction

Within the context of the construction industry, algebra pros begin to calculate slope from the sizes of stair steps. This is a terrific lesson, especially for aspiring engineers. Just be aware that it might be a stretch to meet all of...

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#### Hospitality and Tourism 1: Safety and Sanitation

Math and science come alive in this career-related instructional activity on sanitation. Along the way, learners explore bacterial growth rates using exponential notation and graphs. A link to a very brief, but vivid video shows just how...

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#### Hospitality and Tourism 2: Costing

The lesson plan provides a richly detailed narrative and sample problems for teaching or reinforcing how to work with percentages. In particular, your audience will compute the costs per serving of food and simulate setting menu prices...

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#### Anna in D.C.

The amount of tax and tip on a restaurant bill is a common example used in percent problems. Here, learners only know the total amount paid, and they need to figure the itemized amounts. Solutions using a ratio table, using knowledge of...

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#### Steep Hikes

Grab your hiking gear and get ready for a math adventure! Learners explore the meaning of percent grade change, as compared to the slope in an excellent instructional activity activity about hiking trails in the mountains of New...

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#### Number Sense: Real Numbers

Using a scientific calculator and an 11-page guide sheet, middle schoolers investigate real numbers and problem-solving properties. The publisher links this resource to Common Core standard for seventh grade math, but you may find it a...

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#### Scientifically Speaking

Explore the connection between operations with scientific notation and the laws of exponents. Scholars work on a set of word problems involving operations with scientific notation. Along the way, they consider how the laws of exponents...

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#### Health Science: Back to Basics

This lesson plan focuses on unit conversion, proportions, ratios, exponents, and the metric system. Discuss measurement with your math class and demonstrate how to solve several health-science word problems. Give learners a chance to...

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#### Coconut and Chocolate Chip Passover Macaroons

Recipies are a natural medium for using fractions in real-world problems. This delicious activity has learners adapting the ingredients for coconut and chocolate chip macaroons, a Passover treat, for fewer and more cookies than the...

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#### Model and Solve Algebraic Equations

Examine multiple ways to solve algebraic equations. Pupils will generate a problem solving strategy that addresses the prompt given by the teacher. They will then share their problem solving strategy with the class. Graphic organizers,...

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#### #9: Solving Equations (1 of 2)

Twelve very simple equations are presented for learners to solve. What is the value of x? What is the value of n? Individuals apply operations to find the answers. You will find the final answers by clicking on the appropriate box at the...

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#### #10: Solving Equations (2 of 2)

In this prealgebra activity, pupils perform addition, subtraction, multiplication, or division operations to solve for an unknown. There are 12 problems to be solved. Use this as a quiz to assess how well your class is grasping the skill...

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#### #5: Addition & Subtraction Equations (1 of 2)

Single-step addition or subtraction operations are applied in order to solve these 12 simple equations. An answer key is available, not so much for you, but perhaps to be used by learners as a self-correction tool. Note that the...

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#### #6: Addition and Subtraction Equations (2 of 2)

This printable contains 12 basic equations to be solved. The first one is worked out as an example, and the answers for all can be found by clicking on a "Show Answers" box found on the website. The publisher has identified this as...

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#### Solving Equations with Two-Stepping! (4 of 4)

Here are 12 two-step algebraic equations to be solved. The first problem is completed as an example to your class, but the remaining can be worked right on the page. An answer key is available by clicking on a small box at the top of the...

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#### Solving Equations with Two-Stepping! (2 of 4)

Multi-step problems are part of the progression when learning to solve equations. These 12 problems require only two steps to arrive at an answer. Either print the page out to assign as homework, or have learners write down the problems...