Lesson Plan
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Numbers Make Sense

For Teachers 2nd
Second graders explore number values by completing estimation problems in class. In this place value lesson, 2nd graders identify the use of decimals in numbers and how they relate to fractions or parts of a whole. Students utilize flash...
Lesson Plan
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Grocery Races

For Teachers 5th
Fifth graders apply their knowledge of math in a grocery shopping trip. In this math lesson, 5th graders use addition, subtraction, multiplication and division to help them with their shopping. The teacher sets up a mock supermarket in...
Worksheet
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Analyzing Solutions Computed Using Euler's Method

For Students Higher Ed
In this analyzing solutions learning exercise, students use Euler's Method to estimate the value of given functions. They estimate solutions using the piecewise-linear function model and sketch the information onto a graph. This...
Lesson Plan
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Number Sense

For Teachers 1st
First graders practice rounding 4 digit numbers using place value concepts. In this estimating sums and differences lesson, 1st graders explore clustering, rounding, and front end estimation as methods for rounding decimals.
Lesson Plan
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Measuring Mass

For Teachers 3rd
Third graders engage in a lesson that is concerned with the estimate and approximation of different masses. They weigh different objects and compare the different measurements and then use a balance to compare them. Students define the...
Lesson Plan
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Estimate a Dinner Plate

For Teachers 2nd - 3rd
Students work with a partner to solve the real-world problem of planning a favorite meal given a specific budget. They review and practice estimation strategies to determine the reasonableness of calculations in a given situation.
Lesson Plan
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Operations for Problem-Solving

For Teachers 7th - 9th
Students examine a problem and develop the best method to arrive at the solution. In this math lesson, students apply basic math skills by coming up with the correct steps to solve a word problem. ...
Lesson Plan
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Running on Metrics

For Teachers 9th - 12th
Pupils use the metric system to convert equations. They use a conversion table to change from metric units to the units they are more comfortable with (Fahrenheit temperatures, miles, quarts, pounds.) Students use algebraic equations...
Lesson Plan
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BC Series 1 - Derivatives

For Teachers 10th - 11th
In this function worksheet, students find the derivatives of a function. They graph each function and determine the interval. This three-page worksheet contains 8 problems.
Worksheet
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Clownin' Around

For Students 4th - 6th
For this estimation worksheet, students read about a girl, Amy, who is purchasing items for a class play. Students determine whether Amy needs to find an exact answer or an estimate for the things she is buying. There are 6 questions on...
Lesson Plan
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Pumpkin Seed Data!

For Teachers 2nd
Second graders work with pumpkins to estimate, then accumulate data about pumpkin seeds. After cleaning out the pumpkins, 2nd graders utilize a worksheet imbedded in this plan which has a variety of pumpkin math activities they can do.
Lesson Plan
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Estimating Solutions to Word Problems

For Teachers 4th
Fourth graders explore number sense by completing word problems in class. In this estimation lesson plan, 4th graders define terms such as sum, difference, estimate and best. Students complete estimating worksheets based on the concept...
Lesson Plan
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Rounding

For Teachers 1st
First graders round to estimate greater sums. After a lecture/demo, 1st graders complete a web lesson on estimation. They practice rounding to the nearest hundred using a restaurant take-out menu.
Lesson Plan
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"Homecoming" by Cynthia Voigt

For Teachers 6th - 8th
Students use estimation skills to calculate distance traveled and then calculate walking rate traveled in MPH.
Lesson Plan
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Dividing by Two-Digit Divisors

For Teachers 4th - 5th
In this math worksheet, students collaborate with a "study buddy" or "coach" to learn to divide by 2 digit divisors. Students follow the steps to go through the long division process. There are 4 problems.
Lesson Plan
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6-8 Baseball Fun: Percentages, Decimals, and Fractions

For Teachers 6th - 8th
Middle schoolers practice the concepts behind fractions, decimals, and percents by using sports statistics on baseball cards. For this baseball math lesson, students use fractions and estimation to calculate statistics. Middle schoolers...
Lesson Plan
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Pounds and Ounces: It's All About Weight

For Teachers 1st
First graders explore number sense by participating in a measurement estimation activity. In this weight lesson, 1st graders discuss the differences between measurement units, both English and Metric. Students examine a loaf of bread to...
Lesson Plan
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Estimating Sums and Differences

For Teachers 3rd - 4th
In this math worksheet, students learn to estimate sums and differences by completing step by step exercises. There is one word problem which is the example, and then students can choose from other estimation activities to do with a...
Lesson Plan
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CATCH, TAG and RELEASE

For Teachers 6th - 12th
Students apply estimation strategies for problem-solving purposes. They become familiar with one aspect of a marine biologist's work.
Lesson Plan
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Understanding Pi.

For Teachers 8th - 9th
Students study the relationship between circumference and diameter to come up with Pi. "In this pi lesson, students measure, record and find the ratio "circumference/diameter" and their average which is an approximation of pi.
Lesson Plan
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Guess Your Best

For Teachers 3rd - 5th
Pupils 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...
Worksheet
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Rounding Decimals to Tenths (A)

For Students 2nd - 3rd
In this mathematics worksheet, students round the decimal numbers listed to the nearest tenth place. There are 60 problems to solve on the sheet.
Worksheet
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Heavy or Light - Television & Socks

For Students Pre-K - 1st
In this problem solving worksheet, learners examine a picture of a television and one of socks. Students select the picture of the item that is heavier.
Lesson Plan
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Approximating Pi

For Teachers 7th - 10th
Learners approximate Pi using the lower and upper bound for the constant. In this algebra lesson, students work in groups of two to graph a circle and approximate Pi using the circumference. They repeat their estimation until they come...