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Worksheet
Curated OER

Molecular Mass and Percent Composition

For Students 9th - 12th
In this molecular mass and percent composition worksheet, high schoolers complete 5 sections where they determine atomic masses of given elements, they determine formula masses for given molecules, they find the molecular mass of 12...
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Worksheet
Curated OER

Determining Percent Composition

For Students 9th - 12th
In this percent composition worksheet, students calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition, finding...
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Worksheet
Curated OER

Using Real-Data from North Dakota to Study Place Value, Rounding, Estimation, Fractions, and Percents

For Students 6th - 9th
In this real-data worksheet, students use data from the 2008 Census Bureau to answer eight questions divided into four activities.  The topics covered include: place value, rounding, estimation, fractions, and percents.
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Worksheet
Curated OER

Fractions, Decimals, and Percents

For Students 7th - 9th
In this middle school mathematics learning exercise, students convert between fractions, decimals, and percents in problem solving situations.  The one page learning exercise contains ten problems.  Answers are included. 
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Worksheet
Curated OER

WS 4.5 Percent Composition and Empirical Formula

For Students 10th - 12th
In this compounds worksheet, students determine the empirical formulas and percent compositions of compounds given chemical formulas, mass of elements in compounds and percentages of elements in compounds.
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Lesson Plan
Curated OER

Quality Control at Kality Krunchers Dill Pickle Factory

For Teachers 9th - Higher Ed
In a hypothetical scenario, food chemists use titration to concoct a brine solution for producing the crunchiest pickles. They also analyze store-bought pickle juices. In addition to reinforcing titration techniques, the lesson requires...
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Worksheet
Curated OER

Stoichiometry

For Students 9th - 12th
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
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Lesson Planet Article
Curated OER

Take Math Shopping!

For Teachers 1st - 6th
Percents, estimation, and comparative analysis become more understandable when they are used in-context at the grocery store.
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Lesson Plan
National Research Center for Career and Technical Education

Finance: Depreciation (Double Declining)

For Teachers 6th - 12th Standards
Of particular interest to a group of business and finance pupils, this lesson explores depreciation of automobile values by comparing the double declining balance to the straight line method. Mostly this is done through a slide...
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PPT
Curated OER

Converting Fractions, Decimals, and Percents

For Teachers 4th - 5th
Prime or review the steps needed to convert fractions, decimals, and percents. Each slide contains very basic rules of conversion and a few examples of each. The content of this resource is good, but the layout of the text could be better.
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Lesson Plan
EngageNY

Solving Percent Problems III

For Teachers 6th Standards
What happens when combining percentage discounts? The last instructional activity in a series of 29 introduces the idea of combining discounts one after another. Pupils wrestle with the claim that to find the total discount, they need to...
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Lesson Plan
Curated OER

Learning Decimals and Percents

For Teachers 6th - 8th
Young scholars recognize the relationship between decimals and percents.  In this decimal and percent lesson, students complete a worksheet to change from fractions to decimals, and from decimals to percents. 
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Worksheet
Math Mammoth

Circles Graphs and Percents

For Students 8th - 10th
In this percent instructional activity, students read and interpret circle graphs. They determine discounts, and match percentages with circle sectors. This one-page instructional activity contains approximately 30 problems.
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Worksheet
Curated OER

Limiting Reactant-Theoretical Yield and Percent Yield

For Students 10th - Higher Ed
In this limiting reactant learning exercise, students solve four problems to identify the theoretical yield and percent yield given an equation. They also calculate the limiting reactant.
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Worksheet
Curated OER

Estimating Percents

For Students 4th - 8th
In this math worksheet, students complete 13 problems where they estimate the percents of shaded figures, fractions, and more. Examples are provided in this well-designed worksheet.
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Worksheet
Math Worksheets Land

Percent Error and Percent Increase - Matching Worksheet

For Students 6th - 8th Standards
Calculating percent change is a handy tool to understand sales, discounts, and other numerical changes we come across. Here, instructional activity practices percent change and percent error with a variety of problems to let your...
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Worksheet
Math Worksheets Land

Percent Error and Percent Increase - Independent Practice Worksheet

For Students 6th - 8th Standards
Give your learners a small taste of the business world by calculating percent error and percent increase. The resource provides several practice problems to give your mathematicians practice setting up the ratio to convert to percents....
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Worksheet
Math Worksheets Land

Percent Error and Percent Increase - Guided Lesson

For Students 6th - 8th Standards
When prices and numbers change, can you calculate by how much? Here is a worksheet that introduces the idea of percent change and percent error to calculator how much change the information goes through. Use the worked-out solutions to...
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Lesson Plan
Illustrative Mathematics

Finding a 10% increase

For Teachers 6th - 8th Standards
A quick problem to test your mathematicians' knowledge on percent increase. Two different solutions are provided, mental math and computing. Ask your learners to include a description of what they did to supplement their answer.
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Lesson Plan
Curated OER

Investigation - The M & M Mystery

For Teachers 6th
Sixth graders inspect M&M's to complete statistical data. Students interpret percent of colors represented. They convert data from decimals, fractions, and percents. Using the data, 6th graders create a bar graph and a circle graph.
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Lesson Plan
Illustrative Mathematics

Selling Computers

For Teachers 6th - 8th Standards
A quick activity to test your learners' knowledge of percent increase. When an electronic store needs a 30% increase in computer sales, your mathematicians must calculate how many computers they need to sell next month.
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Lesson Plan
Curated OER

Smaller Than One

For Teachers 5th - 7th
Students examine how to convert fractions into decimals and percents. They work with base ten blocks and a worksheet to color in parts of 100 and renaming the parts as decimals and fractions.
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Lesson Plan
Curated OER

Skittles Galore!

For Teachers 3rd - 5th
Youngsters show understanding of accurate division of whole number, decimals, fractions, and percents using manipulatives (candies). They use white boards to demonstrate their understanding of representing numbers as defined in the...
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Worksheet
Curated OER

WNBA Standings

For Students 6th - 7th
In this decimals worksheet, students fill out a chart with scores from the Women's National Basketball Association. Students convert fractions to percents and decimals.

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