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Worksheet
Curated OER

Rounding Decimal Numbers: Graphing Calculator Activity

For Students 5th - 6th
In this math worksheet, students use graphing calculators to complete a total of three problems with rounding decimal numbers. Diagrams are included in student instructions.
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Lesson Plan
Curated OER

Estimating With Decimals

For Teachers 4th - 6th
How can we estimate the answers when working with decimals? That's what the question is as the class reviews two-digit decimal addition. Have them estimate by rounding to a whole number either before or after they have completed their...
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Lesson Plan
Curated OER

Numbers: Rounding Off

For Teachers 4th - 6th
Students discover the idea of rounding numbers.  In this rounding lesson, students are given worksheets having to do with rounding whole numbers and fractions.  Students participate in an activity with number flashcards.  
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Worksheet
Curated OER

Rounding to the Nearest Whole Number

For Students 4th - 6th Standards
For this rounding numbers worksheet, learners complete 10 math sentences as they round decimal numbers to the nearest whole number. In addition, students round 8 decimal numbers to the nearest whole number.
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Lesson Plan
Curated OER

Estimating with Rational Numbers

For Teachers 6th - 8th Standards
Learners explore the concept of rounding. In this rounding lesson, students round fractions and mixed numbers. Learners estimate the sums, differences, products, and quotients of rounded fractions and mixed numbers.
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Lesson Plan
Mathematics Assessment Project

Estimating Length Using Scientific Notation

For Teachers 8th Standards
Would you rather have a million dollars or 1 x 10^6 dollars? To find the answer to this question, class members first complete an assessment task converting numbers between decimal notation and scientific notation. They then take part in...
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Lesson Plan
Curated OER

Expert Estimators

For Teachers 3rd - 5th
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
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Worksheet
Curated OER

Using Real-Data from North Dakota to Study Place Value, Rounding, Estimation, Fractions, and Percents

For Students 6th - 9th
In this real-data worksheet, students use data from the 2008 Census Bureau to answer eight questions divided into four activities.  The topics covered include: place value, rounding, estimation, fractions, and percents.
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Worksheet
Curated OER

Probability Games and Activities, Unit 10

For Students 4th - 6th
Looking for tangible ways to practice probability with your class? Through 4 activities, students practice with experimental probability, using math to make educated guesses, then testing it through physically completing the experiment....
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Lesson Plan
Curated OER

BIG Pumpkins!

For Teachers 3rd - 8th
How big is the biggest pumpkin you've ever seen? Did it weigh over a ton—literally? Young learners view pictures of some record-breaking pumpkins, including some that weighed over 1,300 pounds, before answering five word problems about...
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Lesson Plan
Illustrative Mathematics

How Many Leaves on a Tree?

For Teachers 9th - 12th Standards
This is great go-to activity for those spring or fall days when the weather beckons your geometry class outside. Learners start with a small tree, devising strategies to accurately estimate the leaf count. They must then tackle the...
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Worksheet
Curated OER

Rounding Whole Numbers

For Students 3rd - 5th
In this rounding whole numbers learning exercise, students complete a set of 30 problems, rounding sets of whole numbers to the nearest thousand, ten thousand, ten, hundred, and hundred thousand. A reference web site is given for...
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Lesson Plan
Illustrative Mathematics

Shrinking

For Teachers 6th - 8th Standards
Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.
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Lesson Plan
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Alabama Learning Exchange

Miss Integer Finds Her Properties in Order

For Teachers 4th - 6th Standards
Access prior knowledge to practice concepts like order of operations and exponents. Your class can play this game as a daily review or as a warm-up activity when needed. They work in groups of four to complete and correct review problems.
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Lesson Plan
Curated OER

Rolling Number Sentences

For Teachers K
Budding mathematicians investigate how to write number sentences using the Roll-the-Dice tool in "Kid Pix". They correlate the dots on the dice to numbers and then learn to use the addition and equal symbols to write number sentences....
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Activity
Baylor College

Air: The Math Link

For Teachers 1st - 3rd Standards
Inflate this unit on the science of air with these math skills practice and word problems. Accompanying the children's story Mr. Slaptail's Secret, this resource covers a wide range of math topics including the four basic operations,...
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Activity
Curated OER

K-5 Mathematics Module: Number and Number Sense

For Students K - 5th Standards
Reinforce number sense with a collection of math lessons for kindergarteners through fifth graders. Young mathematicians take part in hands-on activities, learning games, and complete skills-based worksheets to enhance proficiency in...
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Lesson Plan
Google

Surveys and Estimating Large Quantities

For Teachers 6th - 12th Standards
Looking for an estimation activity a bit more involved than the typical "guess the number of jellybeans in the jar" game? Here, learners use a picture to estimate the number of people at a large event, look for potential problems with...
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Lesson Plan
EngageNY

Margin of Error When Estimating a Population Proportion (part 1)

For Students 10th - 12th Standards
Use the power of mathematics to find the number of red chips in a bag — it's a little like magic! The activity asks learners to collect data to determine the percentage of red chips in a bag. They calculate the margin of error and...
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Lesson Plan
Curated OER

Base 10 Rounding

For Teachers 5th - 7th
Learners build two, three, and four digit numbers using base ten blocks and round those numbers. In this rounding numbers lesson, students work in pairs and build numbers using base ten blocks.
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Lesson Plan
Curated OER

Rounding to the Nearest Ten

For Teachers 3rd
Third graders review rounding to the nearest ten. For this rounding lesson, 3rd graders use a hundred chart to help them in rounding to the nearest ten. Additionally, students practice rounding on the computer.
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Lesson Plan
Curated OER

Study Buddies: Estimating Quotients

For Teachers 3rd - 4th
In this math worksheet, students will work with a coach to solve a division problems by estimating quotients. Students will follow a step-by-step process and notes are provided for the coach.
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Lesson Plan
Curated OER

Base-Ten Rounding

For Teachers 5th
Fifth graders explore the base-ten rounding method. Using base-ten blocks, 5th graders build two-, three-, and four-digit numbers. After discussion, they round numbers to the nearest 10. Using the computer, students participate in a...
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Lesson Plan
Curated OER

Rounding And Estimating

For Teachers 4th - 5th
Students investigate various types of problems using whole numbers and decimals. They use a discussion format while working example problems to help create a baseline for further independent practice. The lesson also includes praise for...