Curated OER
Decimals and Percents - Part One
Students explore the concept of converting a decimal to a percent. For this conversion lesson, students convert decimals to percents.
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Decimals and Percents - Part Two
Middle schoolers explore the concept of converting percents to decimals. For this conversion lesson, students convert percents to decimals.
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Proportional Reasoning
In this proportional reasoning instructional activity, students use proportions to solve discount and sale problems. This two-page instructional activity contains 4 multi-step problems.
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Pie Chart: Favorite Animal at the Zoo
In these three interpreting a pie chart and answering questions worksheets, students use the data provided to label and color code the blank and outlined pie charts, read and interpret a completed pie chart, and then answer questions...
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Percent
In this percent worksheet, learners express fractions as percentages. Students complete 10 problems where they calculate fractions as percentages.
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Percent
In this percent worksheet, learners express fractions containing one and two digit numbers as percentages. Students complete 10 problems where they calculate fractions as percentages.
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Percent
In this percent worksheet, learners convert percentages to fractions. Students complete 10 problems where they convert percentages to fractions and write the answers.
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Percent
In this percent worksheet, learners calculate the percent of each number. Students calculate percentages of 10 numbers and write the answers with decimals.
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Percent
In this percent worksheet, students change the number of a percent to a fraction. Students complete 10 problems where they change a percent to a fraction.
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Percent
In this converting decimals to percents activity, students are given ten problems where they start with a decimal and are required to change the decimal to a percent. There is an answer sheet provided.
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Percentages
In this percentages worksheet, 6th graders solve and complete 13 various types of problems. First, they convert the percentages to fractions and simplify. Then, students convert the percentages to decimals. In addition, they find the...
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Solar Storms-Fractions and Percentages
In this solar storms worksheet, students find the percentage of X-Flares and Halo CMEs that occurred in solar storms and complete a Venn Diagram comparing the numbers of each.
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Percent Worksheet 15
For this percent worksheet, students calculate the percentages of two and three digit numbers. Students complete 18 problems where they calculate percentages.
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Molecular Mass and Percent Composition Worksheet
In this molecular mass and percent composition worksheet, students find the molecular mass of 10 compounds to three decimal places. They also find the percent composition of 7 compounds and express their answers to two decimal places.
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Molecules, Moles and Molar Masses
In this molecules, moles and molar masses learning exercise, students find the atomic masses of 8 elements, they write the formulas for 6 diagrams of molecules and they find the molecular masses of 12 compounds. Students also find the...
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Taking Measurements at Home
In this measurements worksheet, students find their weight, height, width and depth of their bodies at home using equipment around their homes. They use the proper number of significant figures to record their answers and they find the...
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Percentages
In this percentages worksheet, students read about how to express numbers as fractions, convert to decimal form and find the percent. They practice by solving four problems using the method they read about.
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Determining Percent Composition
In this percent composition activity, 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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Formulas from Masses
In this mass worksheet, learners determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This worksheet has 5 problems to solve.
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Calculating Errors of Measurement
In this errors in measurement worksheet, learners answer four questions to show their understanding of errors when taking scientific measurements. They determine the percent error in each problem.
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Working with Percentages and Proportions
In this percentages and proportions worksheet, students are given percentages, they express them as a proportions, they create an equivalent ratio using "x" for the unknown portion and they cross multiply and divide to find their answer.
Math Mammoth
Understanding Percent
In this understanding percent worksheet, students fill in the missing parts for examples of number of colored parts and total numbers and use them to complete charts and rewrite sentences using the exact amount of things and percents....
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Global Distribution of Water
In this water instructional activity, students are given the percent of distribution of water on earth. With the total amount of water equal to 1,000ml students determine the number of ml for each type of water on earth and color a...
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WS 4.5 Percent Composition and Empirical Formula
In this compounds instructional activity, students determine the empirical formulas and percent compositions of compounds given chemical formulas, mass of elements in compounds and percentages of elements in compounds.