Curated OER
Square Roots and Real Numbers
In this square roots and real numbers learning exercise, 9th graders solve and complete 12 different problems that include types of numbers. First, they find each square root, rounding to the nearest hundredth. Then, students evaluate...
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Creative Body Movement
Students perform a brief dance movement and demonstrate the use of the three postures correctly, safely, and creatively.
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Parallax
Students discover how astronomers used the diameter of the Earth's orbit around the Sun as a baseline for estimating the distance of some stars, and the meaning of "Parsec" and "light year."
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Geography: Snow Cover on the Continents
Learners 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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Wings and Othe Things
Young scholars work in groups that are engaged in different activities at different times. They watch the video "Madagascar" and collect data pertaining to the Fish Eagle's arm spam. They work together to perform mathematical...
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Words, Words, Words
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
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Charting Attendance Rate of Busch Gardens
Sixth graders, in groups, are given different parts of the whole project. They use information from Busch Gardens to explore line graphs, averages, and other math vocabulary.
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Using Trigonometry
Fifth graders explore the use of trigonometry to find unknown sides and angles in right-angled triangles, taking the concepts that were developed in the previous unit and looking at different ways of practicing the new skills. Students...
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Best Guesser
Fifth graders develop strategies for estimating ages, and illustrate results by graphing and interpreting scatter plots to compare x and y coordinates.
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Assessing the Physical World
Students practice using a different type of measurement each day. They complete data sheets to record their information. They practice estimating the weight of an object as well.
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Powers of 10
Students explore universe, and examine how big it really is and how scientists measure the distances or sizes of things by estimating sizes of different objects and reading and writing numbers in scientific notations.
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Measuring and Identifying Trees with the Help of Technology
Learners arrange themselves into small groups. Each group chooses a distance to measure ( the distance between the slide and the swings, for instance). Person #1 walks the distance, counting the number of his or her steps. Persons 2...
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How Much Further Is It?
Fifth graders use estimation to solve problems and assess the reasonableness of their answers. They may use an odometer, a map with a legend, MapQuest, or a map without a legen. They estimate 4 to 5 different scenarios.
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Estimation and Pattern Discovery
Pupils collect sunflower heads from their community garden. They estimate its seed count using different strategies. They graph their estimations on a graph and use calculators to find the actual total.
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Water Hardness- Causes and Testing
Eighth graders examine what materials cause water hardness and the relative measure of water hardness in a two part lab activity. In part one, 8th graders add an assigned soap test solution to eleven different test tube solutions in...
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Budgeting 101
Students identify various sources of income and discern between needs and wants as they also learn to create a personal budget. In this personal budget instructional activity, student understand financial scenarios as they relate...
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Math and Literature
Students listen to the reading of "The Button Box" and use buttons provided to tell a story about a chosen button, compare their own buttons to those in the reading. They estimate how many buttons are in a bag and sort buttons based on...
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Decimals: Collaborative Lesson
Students explore mathematics by participating in a group activity. In this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Students collaborate with...
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Design an Apartment
Students are given the task of designing an apartment. In groups, they practice estimating the area and perimeter of different shapes. After designing their space, they apply the same formulas to solving real-world story problems.
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Estimate the Number of Objects
In this estimating the number of objects worksheet, 7th graders complete 12 different problems that include estimation of numbers. First, they guess how many of each object there is in each problem. Then, students check their work by...
Roy Rosenzweig Center for History and New Media
European Explorers
To compare how the Spanish, French, and English approached the exploration of North America, class groups examine primary source documents and become experts on one of four explorers: Francisco Coronado, Robert LaSalle, Samuel de...
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Fractions - Equal or Not
A fabulous instructional activity on fractions awaits your young mathematicians. In it, learners are invited to explore the world of fractions by accessing websites that have educational activities and worksheets embedded in them. Some...
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Expert Estimators
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
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Scaling it Down: Caves Have Maps, Too
Measurement and map skills are the focus of this instructional activity, where students crawl through a "cave" made out of boxes, desks and chairs, observing the dimensions. Your young geographers measure various aspects of the...