National Security Agency
Time After Time
Save those precious minutes and hours spent planning math lessons with this mini-unit on telling time. Offering a series of engaging hands-on and collaborative learning activities, these three lessons teach children how to read...
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Mystery Jars
Youngsters discover ways to estimate. They will use two jars with large and small items and estimate the number of items. Then record their estimate and explain why they answered the way they did. They try this experiment with different...
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Fractions, Decimals, and Percents Got You Down? "Tri" This!
Have your class design their own mathematical study aids. Learners collaborate in groups on the design of tri-fold presentation describing the relationships between mathematical computations. Then, they write a business letter to the...
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Worksheet 19-Spring 1996
In this math worksheet, students begin with the Maclaurin series and prove De Moivre's Theorem. They use the De Moivre Theorem to solve four problems. Students apply these theorems to explain why a flock of geese will fly in an uneven...
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Angles - Digger and the Gang
Learners explore angle estimation and measurement. In this angle activity, students define obtuse, acute, and right angles, and practice measuring angles using a protractor. Learners participate in an online angle estimation activity.
Virginia Department of Education
Order Up!
Order in the math class! Scholars learn to evaluate expressions using the order of operations. A game has them rolling number cubes to determine numbers to use when evaluating.
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Applying Estimation in real Life Situations
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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Estimation
Third graders gain an understanding of estimation as an educated guess. They explore measuring and how looking at various object size and shape can help form ones guess towards estimation. They use dinosaurs for an estimation activity.
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Estimating Products
In this math worksheet, learners round numbers to their leading digit. They multiply the results to find the estimation of the exact answer. Students estimate and then find the exact answer on six problems.
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Easy Estimating
In this estimation worksheet, pupils 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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Estimate Quotients: Practice
In this estimating quotients worksheet, students estimate the quotients in the sixteen division equations. Students then complete two test prep questions.
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Introduction to Estimation and Making Arrays
Students explore the concept of estimating and organizing a group of objects into an array to count the exact number of items. They create their own arrays and practice elements of estimation.
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Estimation Quiz: Use a Table
In this estimation worksheet, students use information about planets, given in a table, to complete a 16 question quiz. Answers are included on page 2. A reference web site is given for additional activities.
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The Monster Square
In this math worksheet, students multiply the problems and use the skill of estimation to find the answers. The answers in the right-column are used to fill in the square.
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Estimating For Reasonable Answers
In this estimating for reasonable answers worksheet, students interactively answer 10 multiple choice questions about estimation, then click to check their answers.
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Estimating for Reasonable Answers: Post Test
In this estimation worksheet, 5th graders answer multiple choice questions about estimation of measurements, total numbers, and more. Students complete 10 multiple choice questions.
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Estimate Quotients and Check Division With Multiplication
Students explore how to estimate quotients and check their division with multiplication. They practice rounding the divisor and the dividend. Students compare the estimate to the exact answer and determine if it is reasonable.
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How Long is the Line?
In this estimation worksheet, students take a trip to a specific destination and guess how long they'll have to stand in line before it becomes their turn. Students use estimation in a variety of scenarios.
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Book Title: Ten Flashing Fireflies
This activity engages learners in a variety of activities to build 1 to 1 correspondence, estimation, and problem solving skills. They discuss problem solving strategies, hear the story Ten Flashing Fireflies, compose their own word...
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"Math Curse" by Jon Scieszka
Students practice estimation skills for measurement, and work with metric units of measurement.
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Rounding To The Nearest Ten And Hundred
In this rounding to the nearest ten and hundred worksheet, students, with a partner, calculate the answers to nine word problems or mathematical equations dealing with estimation.
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Estimating Sums
In this estimating sums worksheet, students, working with a partner, practice problem solving five word problems involving estimation.
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How Much Is On The Floor?
Students estimate the number of items in a group. In this estimation lesson, students are presented with random objects to clean up. Students estimate how many items are present and then compare the actual number of items to their...
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Estimating on a Number Line
In this estimation and number lines worksheet, students look at and study 3 number lines and determine where the arrows are pointing on each line. Students then write that number right above each of the 12 arrows.
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