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Interactive
Scholastic

Study Jams! Estimate Whole Numbers

For Teachers 2nd - 4th Standards
Expand on prior knowledge of place value to teach your class how to round whole numbers. This essential skill is explained with the help of a number line before introducing the explicit rules for rounding numbers up and down. Work...
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Worksheet
Curated OER

Math Detective: Rounding Four Digit Numbers

For Students 4th - 6th
In this rounding four-digit numbers worksheet, students read the multi-step story problem, complete the table and write an explanation of their answer.
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Lesson Plan
Curated OER

Rounding Numbers

For Teachers 5th
Fifth graders demonstrate rounding numbers to a sensible level of accuracy and in context. They discuss rounding numbers for newspaper headlines, complete a table of grocery items that need to be rounded, and observe and demonstrate...
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Lesson Plan
Curated OER

Place Value and Rounding

For Teachers 2nd - 3rd
Use rounding mountains and number lines to learn how to round numbers and learn place value. Learners will use a worksheet to help them round numbers. They will play a game called "Place Value Match-up" to help with skill practice. All...
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PPT
Curated OER

Rounding up or Rounding down

For Teachers 1st - 2nd
Teach the class how to estimate by rounding to the nearest 10. They review the rules for rounding, try rounding a few numbers using a number line, then round on their own. This is a good introduction that explains how to round and why we...
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Lesson Plan
Curated OER

Rounding Numbers

For Teachers 4th
Fourth graders complete math problems where they round numbers to the nearest ten, hundred, or thousand. In this rounding lesson plan, 4th graders explain how to round the problems they solve.
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Worksheet
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Math Learning Center

Grade 5 Supplement Set A3 – Number and Operations: Estimating to Multiply and Divide

For Students 5th Standards
Teach young mathematicians that sometimes just getting close to the exact answer is perfectly fine, by using this collection of estimation worksheets.
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Lesson Plan
Curated OER

Number: Rounding Off and Approximating

For Teachers 3rd - 4th
Young mathematicians access a website that leads them through three activities that enable them to practice their rounding and estimation skills when it comes to numbers and math word problems. There is also a very good worksheet...
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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

Math in English Skills V Exercise Book

For Students 1st - 6th
Long division, multiple-digit multiplication, rounding, and place values are all covered in a fantastic math packet. The packet contains over 20 worksheets and puzzles, and their answer keys, that will help remedial math students in a...
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Unit Plan
Common Core, Inc.

Multi-Digit Whole Number Subtraction

For Teachers 3rd - 4th Standards
A thorough exploration into subtracting multi-digit numbers, this series of lessons is an excellent way to guide learners of any skill level. With a step-by-step lesson plan and straightforward assessment tools, kids are sure to...
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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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Activity
Bowland

You Reckon?

For Teachers 6th - 9th
Sometimes simple is just better. A set of activities teaches young mathematicians about using plausible estimation to solve problems. They break problems down to simpler problems, use rounding and estimation strategies, and consider...
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Activity
Pedago Net

Acing Math

For Teachers 2nd - 8th
Deal me in! Elementary and middle school classes will love this selection of math games, all involving a deck of cards. From fractions to exponents to rounding up and down, the games cover such a variety of skills that your classroom...
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Lesson Plan
EngageNY

Estimating Digits in a Quotient

For Students 6th Standards
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
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PPT
BW Walch

Creating Linear Inequalities in One Variable

For Teachers 9th - 10th Standards
Just when a young mathematician starts to feel comfortable turning word problems into linear equations, shake things up and throw inequalities in the mix. This excellent, instructive presentation takes the steps for solving an equality...
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Worksheet
Curated OER

Math in English Skills IX Exercise Book

For Students 3rd - 6th
Wouldn't it be great if you had a packet of worksheets that covered percents, adding, dividing, and comparing fractions and decimals? Click here and print a workbook with over 20 well-scaffolded pages that will help your class practice...
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Worksheet
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K12 Reader

Estimation

For Students 4th - 5th Standards
Teach your class a thing or two about making educated mathematical guesses. Learners read a passage that explains estimation and approximate and exact answers. They then respond to five questions about and related to the text.
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Lesson Plan
Education Development Center

Micro-Geography of the Number Line

For Teachers 5th - 8th Standards
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes a...
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Lesson Plan
Curated OER

It's Close Enough: Rounding and Estimation

For Teachers 2nd
Second graders round to the closest five, ten, and hundred. They use place-value concepts of grouping based upon powers of ten (thousandths, hundredths, tenths, ones, tens, hundreds, thousands) within the decimal number system.
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Worksheet
Math Worksheets Land

My Favorite Animal At The Zoo Pie Graph

For Students 3rd - 4th Standards
What is your favorite animal at the zoo? Young mathematicians answer eight multiple choice questions, based on a survey of 50 people presented in a pie graph. Additionally, the graph does not display any numbers, but rather different...
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Lesson Plan
Curated OER

Reversing Numbers

For Teachers 2nd
Second graders solve a math word problem involving the addition of two digit numbers. They discuss the problem as a class, independently explore the problem, and discuss as a class the solution and how they organized their reversed...
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Lesson Plan
Curated OER

Reasonable Estimates

For Teachers 3rd - 4th
Help pupils explore estimation. They will make estimates and discuss when you might use an estimate. Then they discuss if their estimates are reasonable.
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Lesson Plan
Curated OER

Estimating With Fractions

For Teachers 7th
Seventh graders, exploring methods to estimate fractions, take notes on estimating fractions, 7th graders write letters to explain the process of estimating fractions and mixed numbers to someone who does not know the concept. Students...