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Interactive
Scholastic

Study Jams! Estimate Whole Numbers

For Students 3rd - 5th Standards
Watch animated slides as RJ explains how to round numbers to the nearest ten and thousand. Viewers then get a chance to try it themselves.
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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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Lesson Plan
Curated OER

Using a Round-O-Meter to Estimate

For Teachers 1st - 3rd
Explore the concept of rounding numbers to the nearest dollar or dime. Youngsters use a "round-o-meter" to determine which direction to round a number. They make round-o-meters out of a piece of paper, a piece of string, and a paper clip.
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Worksheet
Curated OER

Everyday Mathematics: Ballpark Estimates

For Students 2nd - 3rd
In this estimating practice worksheet, students sharpen their math skills as they learn how to make likely estimates and try the 2 extra practice activities.
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Worksheet
Curated OER

Estimate Sums

For Students 3rd - 5th
In this estimating sums worksheet, students solve 6 word problems where they estimate the sum of 3 digit numbers by rounding to the nearest 10, 100 or 1000.
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Worksheet
Curated OER

Round and Estimate

For Students 3rd - 5th
In this estimation and rounding worksheet, students estimate sums or differences by rounding to the nearest hundred mile, then find the total distance from one given spot to another. 
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Worksheet
Curated OER

Estimate the Sum

For Students 3rd - 4th
In this rounding to find the sums worksheet, students round to the nearest thousandths and add. Students solve nine problems. 
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Worksheet
Curated OER

Estimate the Sum

For Students 3rd - 4th
In this estimating worksheet, students round numbers to the nearest ten and estimate sums in a total of 9 problems. Answers are included on page 2.
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Worksheet
Curated OER

Estimate Sums: Practice

For Students 3rd - 4th
In this estimating sums worksheet, students round each addend to the nearest ten and then estimate the sums. Students finish with one test prep question by estimating for the sum.
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Worksheet
Curated OER

Estimate Sums

For Students 3rd - 5th
In this estimating sums worksheet, students round numbers to the greatest place and then add them to solve 23 problems. Students also solve 2 test prep questions.
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Worksheet
Curated OER

Estimate Sums: Reteach

For Students 3rd - 4th
In this estimating sums worksheet, students review two steps to help them estimate to find sums. Students then round each addend to the nearest ten and use the number line for help. Students estimate the sums and write the numbers on the...
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Worksheet
Curated OER

Estimated Distances

For Students 3rd - 5th
In this estimating distances worksheet, students examine a mileage table and respond to 6 questions that require them to use their subtraction skills.
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Worksheet
Math Mammoth

Review 1

For Students 3rd
In this mathematics activity, 3rd graders write the numbers for each problem. Then they write each in expanded form and the numbers from least to greatest. Students also estimate first by rounding the numbers to the nearest hundred.
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Lesson Plan
Curated OER

What's in the Bag?

For Teachers 1st - 3rd
Help your students identify the attributes of two-dimensional shapes. They read the book Round is a Mooncake, and use pattern blocks to sort shapes. Students sort shapes according to their attributes.
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Worksheet
Curated OER

Rounding Decimals to Tenths (A)

For Students 2nd - 3rd
In this mathematics worksheet, students round the decimal numbers listed to the nearest tenth place. There are 60 problems to solve on the sheet.
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Worksheet
Curated OER

Rounding to Add #2

For Students 2nd - 3rd
In this addition worksheet, students round addends to the nearest 10 to estimate sums. A website reference for additional resources is given. One example is completed for students.
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Worksheet
Curated OER

Rounding to Add

For Students 2nd - 3rd
For this rounding to add worksheet, students round addends to the nearest ten and estimate sums. A website reference for additional resources is given.
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Worksheet
Curated OER

Estimating

For Students 3rd - 5th
In this math estimating to the nearest thousand worksheet, learners use their math skills to round 10 numbers to the nearest thousand.
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Worksheet
Curated OER

Estimate Sums and Differences

For Students 1st - 3rd
In this estimating sums and differences practice learning exercise, students sharpen their problem solving skills as they solve 6 story problems.
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Worksheet
Curated OER

Round About Measurement

For Students 2nd - 3rd
In this circumference measurement worksheet, students make a plan for measuring around objects. Students estimate and then measure around a trash basket and pencil holder. Students write if it is easier to measure around an object or a...
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Worksheet
DK Publishing

Estimating

For Students 3rd - 4th Standards
Through estimating, scholars are able to make these word problems simpler as they multiply to find approximate answers. Using an example as guidance, they solve five scenarios, each of which has space for learners to show their work. The...
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Lesson Plan
Pennsylvania Department of Education

Round Numbers to Nearest Ten or Hundred

For Teachers 3rd
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...
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Lesson Plan
Federal Reserve Bank

Sky Boys: How They Built the Empire State Building

For Teachers 3rd - 5th Standards
How tall is the Empire State Building? Lead your class through a collaborative estimation activity to determine the number of quarters it would take to reach the top and teach the following concepts: human capital, human resources,...
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Lesson Plan
Curated OER

Study Buddies- Estimating Products

For Teachers 3rd - 4th
In this math worksheet, students work with a partner to practice estimating products using rounding. They discuss the process of rounding and whether multiplying the rounded numbers is easier or more difficult than multiplying the...

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