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Curated OER
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...
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Estimate Weight or Volume
In this estimation with weight and volume activity, 5th graders solve and complete 6 problems that include estimating objects. First, they determine which item illustrated weighs more. Then, students determine which figure illustrated...
Curated OER
Handshakin'
Students investigate the concept of solving problems when given it in words and employing a wide variety of methods. They practice applying a logical sequence to find the solution to a problem while estimating possible answers to help in...
Curated OER
Making Estimations in Measurement
Pupils utilize their knowledge of measurement in making accurate measurements and estimations.
Curated OER
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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Guesstimate
Students estimate large quantities. They first practice estimating beans in a tub. They solve a large scale problem using one method of estimating they learned while watching the video, "Eddie Files".
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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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Decimals: Collaborative Lesson
Young scholars explore mathematics by participating in a group activity. For this number value lesson, students identify the uses for decimals and how to best estimate whole numbers based on decimals and fractions. Young scholars...
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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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How Close Is Our Estimate?
Fifth graders estimate perimeter, area, and volume. They measure perimeter and area using nonstandard units of measurement. Students add and subtract non-standard units of measurement. They add mixed numbers and simplify the sum.
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Language Arts: What's My Line?
Students discover how to employ number lines by estimating the number of tiles in a jar. After writing their estimates on sticky notes, they place them in order on a number line mat. Included in the lesson are various activities and...
Alabama Learning Exchange
Lining up the Decimals
Fifth graders order decimals from least to greatest and greatest to least. In this decimal order instructional activity, 5th graders complete an online review of comparing 2 digit numbers. Students then complete a decimal order card game...
Curated OER
Add & Subtract Fractions w/Unlike Denominators, 2
Students use several examples to create a method for adding and subtracting fractions with unlike denominators. They present these methods to the class and then practice applying methods to sample problems.
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Wrapped Up In A Kiss!
Students use the wrapper of a Hershey's Kiss to practice estimating, predicting and measuring. They measure with centimeter rulers.
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Buying a Car
Students complete the PLATO ¿¿ Educational Software instructional activity: Math Problem Solving: Car Costs to determine if he/she can afford to drive the car they are planning to buy.
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Problem-Solving Decisions: Estimates or Exact Answers
In this problem solving worksheet, students examine 2 math word problems taking care to decide whether they should estimate answers or find exact answers
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Estimated Quotients Are Too Large or Too Small
In this division worksheet, 5th graders use division to find batting averages in 6 word problems. They divide the number of hits by the number of times at bat to find the quotients.
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Measurement
Students experience a positive science experiment and study fundamental concepts of measurement.
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Babylonian Square Roots
Pupils are introduced to a method for finding square roots used by the Babylonian people of Mesopotamia. The method involves dividing and averaging, over and over, to find a more accurate solution with each repeat of the process.
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Square Roots, Number Classification, Ordering & Graphing
Ninth graders identify numbers as rational or irrational. Using calculators estimation, and factoring methods, 9th graders compute the square root of numbers. They graph numbers in sequential order and round numbers integers to the...
Pennsylvania Department of Education
Round Numbers to Nearest Ten or Hundred
Third graders review telling time. In this lesson on telling time, 3rd graders discuss various items that show length of time, including clocks, calendars and sand timers. Students review and practice what they already know about telling...
Pennsylvania Department of Education
Adding Common Fractions
Fourth graders estimate various measurements. In this lesson plan on measurement, 4th graders estimate the length and mass of multiple objects. Students discuss the difference between a guess and a reasonable estimate and discuss using...
Curated OER
By the Numbers?
In this counting activity, students read about counting and when it is appropriate to find an exact count of something, versus counting by ten to find an estimate. They then read 10 items that can be counted and indicate whether they...