Curated OER
Time Management: Piece of Pie
Students examine their own lives and how well they manage their time outside of school. In this this time management lesson, students discover the amount of time they spend on other activities, and create a pie chart with that...
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Using Ratios to Taste the Rainbow
Students solve problems using ratios and proportion. In this algebra lesson, students analyze skittles and their different colors as they apply the properties of ratios and proportions to solve their problems.
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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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Calculating Theoretical & Experimental Probability
Learners collect data by conducting a survey of fellow classmates. They investigate the relationship between estimates obtained from samples and theoretical probabilities. Answer keys included.
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Proportional Reasoning
In this proportional reasoning worksheet, students use proportions to solve discount and sale problems. This two-page worksheet contains 4 multi-step problems.
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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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Arc Length and Sectors
Find the length of an arc. Students relate central angles to the area and length of a sector and graph circles on the TI to make predictions.
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Recipe For Disaster
Young scholars play an interactive game online to learn ratios. For this statistics lesson, students solve problems in an online game about ratio and relating statistics to the real world. This lesson provides hands on as well as...
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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...
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Counting Atoms in a Molecule
In this counting atoms in a molecule instructional activity, students read about the molecule propanal that was discovered by the giant radio telescope in the Milky Way Galaxy. Students solve 6 problems where they find the number of...
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Changing Perspectives on the Sun's Diameter
For this sun's diameter worksheet, learners use a photograph taken by the SOHO satellite of the sun showing a change in diameter from one month to another. Students find the average diameter of the sun, they determine the percent change...
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Ratios and Proportions
Students solve problems involving percents and ratios. In this algebra lesson, students convert decimals to percents and percents to decimals. They solve problems involving algebraic expressions and four different kinds of percent problems.
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Buy or Lease an Automobile
Students gather information on 3 new cars they would like to buy or lease, and use mathematical comparisons to decide whether to buy or lease the car.
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Baseball Statistics
Students read "Casey at the Bat" and then use individual player statistics (found through internet research)to determine if their players could be considered baseball "heroes". They must justify their choices for "hero" by creating...
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Interest: Interest Olympics
Students determine how interests is calculated and a how it accrues. They examine charts and graphs that show the intricacies of interest. They determine how to increase their own saving by using interest while working with a partner to...
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Probability of a Single Event
In this probability worksheet, students solve thirty-six fractional probabilities involving the rolling of a dice to specific scenarios, game spinners, sweets in a bag and random colors. Students check their answers online as they go.
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Quiz: Multiplying and Dividing Integers
In this integers worksheet, students solve 20 integer problems involving multiplication and division. Students fill in the blanks with the correct answer.
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Compound Interest
In this compound interest worksheet, learners solve 3 problems after reading about compound interest. They determine the cost of the Apollo missions, they calculate inflation and the cost it would be to send man to the moon today and...
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Giving it 100%
Students build knowledge about the number relationships between decimals and percents as it relates to converting decimals into percents. In this decimal and percent lesson, students recognize equivalent forms of fractions, decimals, and...
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Measuring the Earth (Eratoshenes' method)
Sixth graders engage in problem solving, communicating, reasoning, and connecting to represent and solve problems, using geometric models.
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A Family Finance Experience
Students create a budget and make predictions about money. In this algebra lesson,students balance spending and income by monitoring their finance.
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A Tough Nut to Crack
Sixth graders explore agriculture by examining world geography. For this pecan cultivation lesson, 6th graders identify the history of the famous nut and the impact it has on the U.S. economy, diet and human body. Students define...
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The Big Hand Challenge
Students utilize a computer spreadsheet to record and analyze data. In this problem solving lesson, students compare their hand size to that of the principal. Students understand standard and nonstandard measurement.
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SAT Practice Test
In this online, interactive instructional activity, students solve ten SAT preparation problems in 12 minutes. The problems vary in difficulty and content.
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