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Interactive
CK-12 Foundation

Estimation of Whole Number Multiplication and Division: Lettuce Garden

For Students 3rd - 8th Standards
Estimating whole number multiplication and division is the focus of an interactive that uses a garden plot with moveable points to answer six questions.
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Printables
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Curriculum Corner

Rounding Numbers – 10s

For Students 3rd Standards
Thirty-two flash cards and a 14-problem worksheet pair together to reinforce the concept of rounding to the nearest ten.
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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

Estimating Sums of Money

For Students 4th - 6th
By rounding, scholars find that adding money amounts becomes a breeze! They round two and three-digit numbers (with decimals) in these addition problems to get approximate sums. For each, mathematicians write the new addition equation...
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Worksheet
Curated OER

Estimating Products

For Students 4th - 5th Standards
Multiplication on the fly becomes easy with the magic of estimating! Scholars round numbers up to four digits to complete multiplication problems without a calculator. They write in the new factors and the approximate product for the...
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Worksheet
Curated OER

Estimating Differences of Money

For Students 5th Standards
When it comes to money math, show scholars that estimation is their best friend. They round money values to the closest dollar, 10 dollar, and 100 dollar increments, solving 19 addition and subtraction problems with approximate answers....
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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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Worksheet
Curated OER

Rounding 3

For Students 2nd - 3rd
Here is a rounding numbers to the nearest ten worksheet in which pupils read two-digit numbers and round them to the nearest ten. They solve 10 problems.
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Lesson Plan
Teacher Created Materials

Rounding Numbers

For Teachers 3rd Standards
Pupils practice rounding numbers to the nearest ten and hundred. They solve rounding numbers word problems, and add and subtract rounded numbers. This nice, neat handout fully serves its purpose and can help meet CCSS.Math.Content.3.NBT.1.
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Interactive
Curated OER

Round Numbers to the Nearest 10

For Students 2nd - 4th
Young scholars round one and two digit numbers to the nearest 10. They complete 11 problems total on this worksheet.
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Worksheet
Curated OER

Rounding Up Numbers

For Students 6th
For this rounding off worksheet, 6th graders practice rounding off 40 double-digit whole numbers to the nearest 10. Students record their answers on the lines provided
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Worksheet
Curated OER

One Hundred Chart Rounding

For Students 2nd - 3rd
In this rounding worksheet, students round designated numbers on a hundreds chart either up to the nearest 10 or down. A reference website is given for additional resources.
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Worksheet
Curated OER

One Hundred Chart Rounding

For Students 2nd - 3rd
In this rounding worksheet, students round some numbers on a hundreds chart up to the nearest 10 and other down. A website reference for additional resources is given.
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Worksheet
Curated OER

Rounding to Nearest Ten

For Students 3rd - 4th
In this rounding activity, students round a set of 25 numbers to the nearest 10. A website reference for additional resources is given.
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Worksheet
Curated OER

Round to Nearest 10-Hundreds Chart

For Students 2nd - 3rd
In this rounding instructional activity, students round part of a hundreds chart up to the nearest 10 and the remaining part down. A website reference for additional resources is given.
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Worksheet
Curated OER

Rounding to the Nearest 10

For Students 3rd - 5th
For this rounding worksheet, students round sets of numbers to the nearest. A website reference for additional resources and an answer key are provided.
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Worksheet
Curated OER

Rounding Up Numbers

For Students 3rd - 6th
In this rounding activity, students round four digit numbers to the nearest 10. Students complete 40 problems total on this activity.
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Worksheet
Curated OER

Rounding Up Numbers

For Students 6th
In this rounding worksheet, 6th graders round 6 digit numbers to the nearest 10. Students complete 40 problems total on this worksheet.
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Interactive
Curated OER

Rounding to the nearest 10

For Students 3rd - 6th
In this rounding worksheet, students round 3 digit numbers to the nearest 10. Students complete 10 problems total on this worksheet.
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Worksheet
Curated OER

Morning Math: rounding

For Students 2nd - 4th
In this rounding activity, students complete morning math sheets where they round addition problems of one and two digit numbers to the nearest 10. Students complete 4 problems total.
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Worksheet
Curated OER

Estimate the Difference

For Students 4th - 6th
In this estimation worksheet, students complete ten estimation problems by rounding each number to the nearest ten. These are all two-digit subtraction problems.
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Worksheet
Curated OER

Estimating

For Students 1st - 2nd
In this estimating worksheet, students sharpen their math skills as they estimate 8 problems and then solve the actual problems.
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Worksheet
Curated OER

Round to the Nearest Ten

For Students 2nd - 3rd
In this rounding worksheet, students solve 6 story problems in which two digit numbers will be rounded to the nearest ten. There are no examples on this page.
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Worksheet
Curated OER

Rounding to Nearest Ten Helper Sheet

For Students 3rd - 4th
In this rounding to nearest ten helper sheet, students use the lines of ten numbers as a reference when learning to round to the nearest ten. Students round to the nearest ten numbers from zero to one hundred.