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Proportionality: The X-Plane Generation
Students meet NASA researchers who describe the relationship between force, energy and motion. They discuss how NASA's experimental X-plane is being tested to make space travel more reliable and show how proportionality and ratios are...
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Guess Your Best
Students discuss situations when it is useful to know exact weight of object as opposed to estimated weight, estimate weight of various items, weigh them on scale using ounces and pounds, and compare their weights on Guess Your Best...
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Jelly Belly: What a Wonderful "Bean"!
Students explore how jelly beans are produced. They discuss the origins of the jelly bean and view a video about how jelly beans are prepared, tested, shaped, finished, and shipped and estimate the amount of jelly beans in a jar and sort...
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Rounding And Estimating
Students investigate various types of problems using whole numbers and decimals. They use a discussion format while working example problems to help create a baseline for further independent practice. The lesson also includes praise for...
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Estimation Zone
Students explore estimation. They estimate distance, weight, temperature and elapsed time. Students record their estimates and justify their estimations wtih a written response. After estimating, students take the actual measurements of...
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Working Watermelon
You're going to wish you had a watermelon for this lesson! Class members read about watermelons and make a salad in class to sample. They also perform estimates, measurements and calculations on a watermelon. They predict what percentage...
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By The Pound
Students develop mathematical skills using measurement in the form of weight. They also perform calculations to find cost and strengthen estimation skills while comparing the actual price. The context for the lesson is in the industry of...
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Rounding and Estimation
Fifth graders participate in a lesson that is focused on rounding and estimating using word problems. They review how to read word problems, find the right operator, and use the new skills to solve problems.
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Quadrat Sampling 101
Learners explore the population of grass plants in a given area. They plan and conduct a sampling activity to estimate the population of dandelions or the number of grass blades on the school grounds.
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Rounding Numbers
Fifth graders demonstrate rounding numbers to a sensible level of accuracy and in context. They discuss rounding numbers for newspaper headlines, complete a table of grocery items that need to be rounded, and observe and demonstrate...
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Skip it to multiply it
First graders make sensible estimates and check the reasonableness of answers.
They make up, tell and record number stories up to 9 about given objects. They skip count in twos, threes and fives.
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Estimation
Students estimate quantity, length, and area. Students practice making comparison estimations of different items and estimate whether or not the amount is greater or less than a certain amount. Students practice making estimations.
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Make a 100
Second graders develop an understanding of 100 and the quantity for which it stands and examine the relationship between 100 and 10 by estimating the number of jelly beans in a jar.
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Weighing stations
Pupils work at a variety of stations involving practical measuring tasks. Estimation skills and the ability to measure accurately using kilograms and grams are developed.
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Touring the Regions of the United States
Fifth graders explore the regions of the United States. They use maps, research on the Internet and use measurements and estimations. Students create a presentation using spreadsheets and publishing software.
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The Estimation Station
Students challenge "common knowledge" against newly learned estimation strategies and put those strategies into use. They consider variables in estimating different groups of objects and practice skills of representing numbers.
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Estimation Station
Students explore estimation and count by tens with Goldfish crackers.
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Heart to Heart
Students predict the outcome of a question and conduct a survey and record their findings on a bar graph.
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Jack and the Beanstalk Estimation
Students use estimation and pencil-paper calculations to help Jack and his mother solve a variety of life problems. They solve problems using various math operations, i.e., addition, subtraction, and measurement.
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A Relatively Far Out Idea: Estimating
Students investigate methods of estimating through cooperative group activities, hands-on activities, the use of tables and graphs and an interactive video.
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Estimation Investigation
Students view an interactive video to explore the concepts of estimation. They work cooperatively to measure, make comparisons, make predictions, and verify results.
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Out of This World
Students are introduced to the solar system and its place in the universe. They begin to grasp the idea of very large numbers by estimating and computing how long it take the class to make a million x's.
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Tip the Scales
Students, in groups, estimate and check the weights of classroom objects using coins as the standard of measure.
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ExplorA-Pond:4th Grade Surface Area
Fourth graders estimate the surface area of a pond using the chance method and the estimation method. They complete a graph and a short report comparing the results of the two methods.