Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks...
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Using Random Sampling to Draw Inferences
Emerging statisticians develop the ability to make inferences from sample data while also working on proportional relationships in general. Here, young learners examine samples for bias, and then use random samples to make...
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Hands On Math Lessons with Technology
Learners explore a variety of math concepts. In this integrating technology lesson plan, students visit online webtools such as Max's Math Adventure, I Know That Math, Hands on Banking, and more. A description of each website is...
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Estimating Prices
Students practice making reasonable estimates. In this consumer math, students round purchase prices of items to estimate the total cost. Students practice using metal computations to arrive at estimates.
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How Close Can You Get? Estimating
Students work collaboratively to determine how many crackers are in a large container. They then view a video to see how often people use estimation in their jobs, and another video to watch students work on figuring out appropriate...
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Guesstimate? NO Estimate!
Students discover the advantage of estimation over simple guessing using number relationships. They also discover how useful a mathematical tool estimation is in everyday life.
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French Fry Run
Student explore estimation and measurement. In this measurement lesson, 2nd graders measure french fries, graph their data, and determine the size of french fries that is the best value. Students practice how to add prices and calculate ...
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There Was An Old Lady...
Students participate in various activities using the story There Was An Old Lady Who Swallowed a Fly. In this reading fluency instructional activity, students read the story and then practice comprehension, fluency, and writing. An...
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Estimate Quotients
For this quotient worksheet, students write 2 division problems that would give the estimated quotient given. A reference web site is given for additional activities.
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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.
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Decimals
In this decimals worksheet, 5th graders solve 20 different problems that include adding and subtracting various decimals. First, they add or subtract the decimals like they would whole numbers. Then, students line up the decimal points...
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Models and Algorithms to Solve Multiplication Problems
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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Estimating: Pretest
For this estimation worksheet, 5th graders read word problems and estimate their outcomes. Students complete 8 multiple choice questions.
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Estimating Butterflies
In this estimation worksheet, students estimate how many butterflies are in the picture and have 25 or 55 to choose from. Students estimate and eventually count 25 butterflies.
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Approximate Solution to an Equation
Students solve equations through trial and error. In this algebra lesson, students first estimate their answers and then calculate it to check their work. They solve problems involving roots and integers.
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Estimating
In this estimating worksheet, students review how to estimate and round numbers. Students then estimate the three number addition problems by rounding the numbers to the nearest hundred. Students then find the exact answer. Students...
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Candy Fractions
Second graders complete math activities with donated seasonal treats. They estimate, count, sort, name and graph bags of treats. They can eat treats when finished.
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Math 155 - Worksheet 8. Rate
In this rate worksheet, students read short word problems, and write equations to solve the problem. Equations include distance problems and rate of travel.
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Measurement and Estimation
Students gain an understanding of time. In this time lesson, students work together to recognize the difference between yesterday, today, and tomorrow, As well as months, hours, minutes, and seconds. Students brainstorm ideas of ways the...
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Calculator Spelling
Sixth graders practice creating and solving number sentences on a calculator. They interact with number facts, their properties, algorithms and estimation. Each student recognizes inverse relationships of addition, subtraction,...
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Menu Mania
Students explore the concept of estimating by watching a video, and discussing the strategies for estimation. They estimate the costs for various menu items, then calculate the exact amount spent.
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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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How Many Lemons Does It Take?
Students discuss and explore different methods that can be used to estimate from the video. They practice estimation skills by recreating a sample problem from the video. Web sites containing other estimation activities are included
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Estimating Volumes Of Household Containers
Students engage in a the estimation of volume for household containers and focus upon the usage of the metric system. They practice identifying the shapes that seem familiar and match shapes with quantities. Students interact with others...
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