CK-12 Foundation
Square Roots and Irrational Numbers: Estimating Radicals
Try out a resource using triangles to estimate radicals. An interactive app allows learners to approximate some irrational numbers involving square roots. They find the two consecutive numbers that an irrational number lies between...
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Number Round-Up
In this math instructional activity, students practice rounding numbers to the nearest ten, hundred, or thousand in sets of twelve. They round their ages to the nearest ten, and round a 5 digit number to the nearest ten, hundred,...
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Why Guess When You Can Estimate
They apply various strategies in their estimations. They analyze the differences between guessing and estimating. They estimate the number of beans and jellybeans in egg cartons and jars respectively.
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Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson plan, 2nd graders solve real life problems to understand estimation and money problems.
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Rounding Numbers: Worksheet H
In this math instructional activity, students will round number between 100 and 1,000 to the nearest hundred. There are about 100 numbers.
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Rounding Numbers: Worksheet J
In this math worksheet, students will round numbers to the nearest hundred. The numbers are between 100 and 1,000. There are about 100 problems.
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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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Estimating And Measuring Weight: Grams And Kilograms
In this measuring worksheet, students will estimate the weight of 10 objects and record information in grams and kilograms. Then students will weigh the objects and record the actual weight to complete a table.
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Estimating the Square- Root of Ten
In this algebra worksheet, learners estimate the square root. They rewrite the root as an exponential function and solve. They use the correct function notation. There are 10 questions.
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Estimating and Measuring Amounts
Third graders explore measurement. In this estimation and measurement lesson, 3rd graders examine visual examples using standard units to measure length. Students also practice solving problems that their instructors model.
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Face a Hundred: Rounding Money
In this rounding money worksheet, students match a clue about rounding an amount to the correct amount in another column, completing a riddle using the answers. 11 2 Answers included on page 2.
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Estimating Before Multiplying
In this estimating before multiplying worksheet, students interactively answer 10 multiple choice questions about estimating, then click to check their answers.
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Estimating: Pretest
In this estimation worksheet, 5th graders read word problems and estimate their outcomes. Students complete 8 multiple choice questions.
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Rounding to Nearest Ten #2
In this rounding worksheet, students solve a total of 30 problems rounding 2-digit numbers to the nearest 10. A website reference for additional resources is given.
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Rounding to Nearest 10
In this rounding worksheet, students solve a total of 30 problems rounding 2-digit numbers to the nearest 10. A website reference for additional resources is given.
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Rounding Numbers
In this rounding numbers worksheet, students round to the nearest 100, 1000 and 10,000 after reading explanations and looking at examples.
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Easy Estimating
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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The Pyramid: Estimating Volumes
In this estimating volumes activity, students determine the area and volume of pyramids. They draw a cross-section of the pyramid. This four-page activity contains approximately 20 problems.
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Estimating Fractions
In this estimating fractions worksheet, students solve 20 various problems that include estimation in each. They estimate the sum or difference in each of the problems shown on the sheet. Students calculate each mixed number into a...
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Estimating and Measuring Angles (B)
In this estimating and measuring angles review worksheet, students use their math skills to solve 6 problems that require them to estimate and measure each of the 6 angles.
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Rounding to Add
In this rounding to add instructional activity, students round addends to the nearest ten and estimate sums. A website reference for additional resources is given.
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Grade 4 Math: Whole Numbers 2
Fourth graders round off two specific numbers to either the nearest thousand, hundred, ten thousand, ten and/or million.
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Let Your Fingers Do the Estimating
Investigate estimation with the White Pages. Youngsters use the phonebook to estimate the average number of phone listings that can be found there. They write a paragraph explaining the processes they used in this challenge.
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Round Numbers to the Nearest 10
Young scholars round one and two digit numbers to the nearest 10. They complete 11 problems total on this worksheet.