Curated OER
Geography: Snow Cover on the Continents
Young scholars create maps of snow cover for each continent by conducting Internet research. After estimating the percentage of continental snow cover, they present their findings in letters, brochures or Powerpoint presentations.
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Which Color Will You Pick?
Young scholars create a spreadsheet to chart the different colors found in a package of M&M's or Skittles. They collect data, create appropriate charts, and use percentages to describe quantities.
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How Electronics Come to Us: Distribution and Use
Students identify environmental challenges that can be solved throughout a product's life cycle. They experiment and examine how we can choose and use products in an environmentally responsible manner. Each student is also involved in...
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Currency Exchange Rates
Students, in groups, choose three countries from which to investigate exchange rates versus the US dollar. Using Internet research they follow daily exchange rates and compute the percentage change. They compile data and prepare and...
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Changing Fractions to Percents
In this fractions to percents worksheet, learners solve 6 problems, converting fractions given to percentages. Students may click on hint or check answer buttons.
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Surveys
Students collect data from middle school survery. They tabulate percentages by grade level. They create a graph to display the survey results.
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Estimating for Accuracy
Young scholars are introduced to the topic of estimation. Using various methods, they estimate and calculate the answers with the use of a calculator. They develop a practice to always estimate answers involving percentages and use a...
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Standard Sizes of Paper
Learners measure the dimensions of different sizes of paper. Using a copy machine, they discover dilations. After enlarging and shrinking particular copies, students examine rates, ratios and percentages and discover the relationship of...
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"NSN, Fractions/Decimals" Investigations
Fifth graders engage in a "layered" unit of discovery. There are three levels of potential learning opportunities, in the spirit of the 2010 Olympics in Vancouver (bronze, silver, gold). The lesson is based upon fractions.
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Decimals in the Garden
In this math learning exercise, students are given pictures of garden tools and prices (in pounds). They select the items they would like to purchase for their garden and calculate the cost to buy these items. Students may use the...
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Money, Decimals and Fractions (UK Currency)
In this math learning exercise, students solve 24 word problems about UK pounds and pence. These problems about English currency involve decimals and fractions.
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Equivalent Numbers
Students work together matching numbers on index cards. They must match numbers in different forms, such a fractions and percentages. They compete with other groups in the class to get the most correct.
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Buying My First Car
Learners pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
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Mathematical Magazines
Students use ads from magazines to create data to be measured and apply the skill of estimation. They record the percentage of magazine ads that could be separated into different categories made by students through the use of logical...
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Finding the Percent of a Number in Fish Body Weight
Students use fractions to find the weight of fish. They use percentages to determine the correct amount to feed them. They organize their data into a graph and shares with the class.
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Standard Envelope Sizes
Students measure the length and width of various sizes of envelopes. After comparing the envelopes, they explore the ratios, percentages, and rates. Students discuss postal rates and compare the cost of mailing items, delivery times, and...
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Earthquake Power
In this earthquakes instructional activity, students learn about the measurements of earthquakes on the Richter scale. They answer six questions about the magnitudes and sizes of earthquakes using two tables of data about earthquakes and...
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Punnett Square Popcorn
In this genetics worksheet, students use the Punnett Square to learn about dominance and codominance in inherited traits. This worksheet has 1 short answer question and 6 problems to solve.
Howard Hughes Medical Institute
Patterns in the Distribution of Lactase Persistence
We all drink milk as babies, so why can't we all drink it as adults? Examine the trend in lactase production on the world-wide scale as science scholars analyze and interpret data. Groups create pie charts from the data, place them on a...
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Population Pyramids
Students create a population pyramid based on current data for their final project country. They analyze data from comprehension trends of final project country. Students analyze populations of specific countries.
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Are You 100%?
Students use decimals, fractions, and percents to solve problems in a real world setting.
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Fraction Conversion 2 (With Percents)
Fifth graders determine how to convert fractions, decimals, and percents. In this conversion instructional activity, 5th graders use an on-line applet to practice making these conversions. They review how to make the conversions in a...
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A Fraction of the Possibilities
Students review the conversion of fractions to decimals, develop strategies to compare fractions perform complex calculations using ratio techniques similar to the construction of fractions.
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Wildlife Management
Students examine the effects of various management strategies on the size of wildlife populations. Each student simulates the management of an animal population in a card game, graphs the results of the wildlife game, and participate in...