Curated OER
Finding Fractions of Numbers and Quantities
A presentation teaches young learners to find fractional values and quantities, and provides tips on how to solve math word problems. Learners engage with dozens of challenging problems, and get tips along the way. A terrific PowerPoint...
Illustrative Mathematics
Sharing Prize Money
When three classrooms are to split up prize money, your mathematicians must find the percentage that each class deserves and calculate the total amount. There is an option to use a calculator and practice rounding.
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Chances Are......You're Right
Young mathematicians study probability. In this math lesson, learners calculate odds, and convert those into percentages of probability. Fractions are also used, making this lesson quite rich in some of the more difficult conversions...
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Find That Bargain!
Learners explore the methods of calculating percentages, reading and the construction of graphs, and an awareness of consumer concerns in this lesson plan. The movement of the decimal point often results in uncertainty and confusion....
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Skittles Lab
Students use Skittles as manipulatives to practice computing decimals from fractions, computing decimals into percentages, and creating bar graphs from gathered data.
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Miami Seaquarium and Mathematics
Eighth graders, in groups, go on an imaginary field trip to Miami Seaquarium and figure out what the total cost of the trip would be.
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Batting the Unknown
Learners use batting averages to provide a measure of a player's past success. They use Algebra to calculate required performance to improve the average. Students compare baseball batting statistics early in the season and late in the...
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Fair-division
In this division activity, students complete word problems with division about pizza slices, jelly servings, percentages of cards, and more. Students complete 14 problems.
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Fractions
Fifth graders, after inventorying, add up the numerators of their fractions to see if it is the same number as the denominator. If it is, then they are ready to build whatever they wish, but using only what is in their individual inventory.
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Chromosomes
Pupils study chromosomes and how molecular half life affects them. In this chromosome instructional activity students complete several lab activities on calculating half life, and cracking alkanes.
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Wet World in Danger
Students investigate the reasons why wetlands are threatened especially by people. They study the wise use of water to preserve wetlands.
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Inherited Traits
Learners work with a partner to complete an inventory of their traits and compare and discuss their unique qualities. For this biology lesson, students determine percentages for the frequency of observed traits of classmates, compile the...
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Solar Storm Energy and Pie Graphs
In this solar storm energy and pie graphs instructional activity, students solve 5 problems using pie graphs that show the amount of solar energy that is converted into radiation, kinetic energy, flare energy and flare energy that is...
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Making the Connections
Use a Horton Chart to identify relationships between numbers and make equivalent fractions and decimals. Scholars change a fraction to find the greatest common factor, find percents, and make equivalent decimals.
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Math: Decimals / Money #1 (10-99)
In this elementary math worksheet, students review subtracting decimals as they complete 25 problems. The problems require students to subtract digits ranging from 10-99.
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Determining the Age of Fossils
Students examine the concept of radioactive dating. In this radioactive dating lesson, students investigate how to determine the ages of fossils and rocks as they learn about half-life radioactive decay.
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Skittles® Count
Third graders find fractions of each color Skittle in a bag. They convert the fractions of each color to a decimal and percent. They compare the highest and lowest percentages within the group and present how they found their answers.
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Representing Rational Numbers
Seventh graders explore rational numbers. In this fractions, decimals, and percents instructional activity, 7th graders identify and compare equivalencies between fractions, decimals, and percents. Students use hands-on activities to...
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A SALT WATER-Y WORLD
Students observe a model of the distribution of the earth's water and compare the relative volumes and percentages of types of water on earth.
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Determining the Percolation Rate of Soil
Students discover how water moves through different types of soils. In groups, they use the same sample from a previous activity and empty it into a milk carton in which they have layered with cheesecloth to determine the percolation...
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The Circle Graph
In this circle graph instructional activity, students complete problems involving many circle graphs including a compass rose, degrees, and more. Students complete 7 activities.
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Hot Shots 2
Students simplify fractions. They convert fractions to decimals. Students comprehend the double number line and how to use it proportionately. They convert fractions to percentages using the double number line. Students use the...
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What Were the Political & Social Views of People During the Civil War
Eighth graders study the Civil War. In this US history instructional activity, 8th graders discuss the causes for fighting for the North and the South showing that there was no good side or evil side just people believing in what they...