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Lesson Plan
Curated OER

Models and Algorithms to Solve Multiplication Problems

For Teachers 7th - 9th
Students choose the correct strategy to solve multiplication and division. In this algorithm lesson, students use at least two strategies that use properties of operations and estimation. Students also recognize the relationship between...
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Interactive
Curated OER

Estimating and Rounding-Pretest Questions

For Students 4th - 5th
In this estimating and rounding activity, students complete a set of 10 multiple choice questions. Students may click on a link for answers or to print page.
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Lesson Plan
Curated OER

Applying Estimation in real Life Situations

For Teachers 5th
Fifth graders explore number sense by participating in role-playing activities. In this estimation lesson, 5th graders discuss reasons for estimating amounts in life and read the book Betcha. Students complete a real life estimation...
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Lesson Plan
Pennsylvania Department of Education

Adding Common Fractions

For Teachers 4th
Fourth graders estimate various measurements. In this instructional activity on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and...
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Lesson Plan
Curated OER

Travel Time

For Teachers 9th - 12th
Students use a migration map to estimate the distance traveled by a bird while migrating south. After calculating accurate estimates of the distance traveled, students compare the distances traveled with the amount of time elapsed.
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Lesson Plan
Curated OER

How Many Critters Live Here? Estimating Wildlife Populations.

For Teachers 4th - 6th
Students examine how wildlife biologists estimate the population of particular species. They work on map construction and population sampling. They use sampling to estimate the population of spiders in a study area or a forest.
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Lesson Plan
Curated OER

Science: Entomology in Action

For Teachers 6th - 12th
Students discover how coroners use insect life cycles to estimate the time of death in cases. they describe how forensic entomologists combine environmental factors with insect life cycles to note the changes. Students examine an...
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Lesson Plan
Curated OER

The Librarian Who Measured The Earth

For Teachers 4th - 6th
Students use small objects as a unit of measurement for larger objects. Working in small groups, they measure the circumference of smaller spheres and estimate the circumference of larger spheres using these measurements. Students...
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Lesson Plan
Curated OER

Proportionality: The X-Plane Generation

For Teachers 4th - 8th
Young scholars 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...
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Lesson Plan
Curated OER

Easy Estimating

For Teachers 3rd - 5th
In this estimation worksheet, students use a small snack food to complete 9 estimation activities. They describe the item they are estimating, make a first estimate, use more information, make a second estimate, acquire more information...
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Worksheet
Curated OER

Worksheet 8: Absolute Percentage Error

For Students Higher Ed
In this absolute percentage error worksheet, students estimate the maximum absolute error in computing the volume and area of a cube or a sphere. They use differentials to estimate the value of roots. This one-page worksheet contains...
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Worksheet
Curated OER

Worksheet 2: Evaluating Functions

For Students 10th - Higher Ed
In this function activity, students evaluate sums, estimate the area of the region between graphs, estimate the volume of a hemisphere, and use subintervals and the limit definition integrals to evaluate functions. This two page activity...
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Worksheet
Curated OER

Quiz 9: Newton's Method

For Students Higher Ed
In this Newton's method instructional activity, students estimate the value of a solution and use a differential to estimate the value of a root. This one-page instructional activity contains two problems.
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Worksheet
Curated OER

Further Rounding

For Students 5th - 6th
In this rounding off instructional activity, students determine if 8 statements could be rounded off to the nearest ten, hundred, thousand, ten thousand, hundred thousand or million. Students draw and complete a table of 5 numbers,...
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Worksheet
Curated OER

Estimating

For Students 3rd - 5th
In this math estimating to the nearest thousand worksheet, students use their math skills to round 10 numbers to the nearest thousand.
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Worksheet
Curated OER

Estimating

For Students 1st - 2nd
In this math estimating to the nearest thousand worksheet, learners use their math skills to round 10 numbers to the nearest hundred.
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Lesson Plan
Curated OER

Importance of Estimation

For Teachers 5th - 8th
Young scholars discover the ability to estimate based on viewing photographs of objects.  In this number sense lesson, students view photographs of numerous objects in which they must train their eyes to create an educated guess of how...
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Lesson Plan
Curated OER

Estimation

For Teachers 3rd - 6th
Learners estimate time and amounts when counting is not realistic or feasible. For this estimation lesson, students estimate time or amounts. This lesson includes two video clips on estimation and a worksheet for independent practice.
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Lesson Plan
Curated OER

Sizing Up Spout

For Teachers 3rd - 5th
Students estimate heights and lengths of objects. In this measurement lesson, students estimate the length and height of various objects using non-traditional tools of measurement. This lesson also includes a video clip on measurement.
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Worksheet
Curated OER

Quiz: 15 Estimating Fractions Sums and Differences

For Students 5th - 6th
In this estimating fraction sums and differences worksheet, students complete a total of 15 problems. Answers are included on page 2. Labeled as quiz but suitable for practice.
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Lesson Plan
Curated OER

Estimation Skills

For Teachers Pre-K - K
Learners use a balance scale with beans or seeds to estimate how many of them would weigh as much as a teddy bear counter. In this estimation lesson plan, students hold items to estimate.
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Lesson Plan
Curated OER

The Statistics Sampler

For Teachers 7th - 11th
Students define sample, describe a random sample, and discuss what compromises a sample. They determine a sample size to estimate a population characteristic with confidence.
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Lesson Plan
Curated OER

The Right Time

For Teachers 6th - 8th
Students compute and estimate using mental mathematics, paper-and-pencil methods, calculators, and computers. They measure and compare quantities using appropriate units, instruments and methods. They utilize worksheets imbedded in this...
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Lesson Plan
Curated OER

Building Budgets

For Teachers 6th - 12th
Students explore New York City's bid to host the 2012 Olympic Games. They estimate budget allocations for such a proposal while practicing the calculation of percentages.

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