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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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Worksheet
Curated OER

Rounding Decimals to Whole Numbers (J)

For Students 3rd - 5th
For this rounding practice worksheet, students sharpen their math skills as they round 60 four-digit decimal numbers to the nearest whole numbers.
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Worksheet
Curated OER

Rounding to the Nearest 1000

For Students 3rd - 5th
For this rounding worksheet, students round sets of numbers to the nearest 1000. An answer key and reference website for additional resources are given.
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Worksheet
Curated OER

Rounding to the Nearest 10

For Students 3rd - 5th
In this rounding worksheet, learners round a set of 40 numbers to the nearest 10. An answer key and a website reference for additional resources are given.
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PPT
Curated OER

Math Flash Rounding

For Teachers 3rd - 5th Standards
This PowerPoint reinforces the concept of rounding. Each slide of the PowerPoint contains examples of how to round to the nearest thousand or ten thousand. There are various examples that the students must complete on the final few slides.
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Worksheet
Curated OER

Around and Around We Go: Rounding Activity

For Students 3rd - 5th
In this rounding worksheet, students put a check mark in the appropriate place to tell whether numbers have been rounded correctly, then complete 2 additional problems. 
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Worksheet
Curated OER

Face a Hundred: Rounding Money

For Students 3rd - 5th
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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Worksheet
Curated OER

Rounding Whole Numbers to Nearest Tense

For Students 2nd - 5th
In this rounding worksheet, students round 2 digit whole numbers to the nearest 10. Students complete 18 rounding problems total.
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Worksheet
Curated OER

Estimating and Measuring Angles (B)

For Students 3rd - 5th
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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Lesson Plan
Curated OER

Mystery Jars

For Teachers K - 5th
This is a twist on the old "guess how many jellybeans" game. Using estimation and math skills, learners participate in a fun "mystery jars" activity, trying to make educated guesses at how many objects are in two jars. The basic activity...
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Lesson Plan
Curated OER

It Takes Ten

For Teachers 2nd - 5th
Review and use standard units of measure with your math class. They move from station to station estimating and measuring length, volume, weight, and area. At each station they estimate and measure, and then compute the difference...
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Lesson Plan
Creative Educator

Dream Room Design

For Teachers 3rd - 6th Standards
Junior designers brainstorm the elements that a bedroom might have, such as a bed, television, and dresser. They identify which items are needs and which are desires. They practice measurement skills in the classroom by determining its...
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Lesson Plan
Curated OER

Chocolate Math

For Teachers 3rd - 6th
Students practice solving math equations by analyzing chocolate recipe measurements. In this chocolate baking math lesson, students read about the Hershey factory and recipes used to create chocolate bars. Students solve problems and...
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Worksheet
Curated OER

Rounding to Place Value

For Students 3rd - 6th
In this rounding learning exercise, learners round 24 numbers to the nearest tens, hundreds, thousands, or ten-thousands place. The numbers range from 2- to 5-digits.
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Lesson Plan
Curated OER

How Close Can You Get? Estimating

For Teachers 3rd - 8th
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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Lesson Plan
Curated OER

Easy Estimating

For Teachers 3rd - 5th
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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Lesson Plan
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Laboratory for Atmospheric and Space Physics

Where Are We Going?

For Teachers 2nd - 6th Standards
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
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Lesson Plan
PBS

Button, Button

For Teachers 1st - 5th Standards
Youngsters count, classify, and estimate quantities using buttons after a read aloud of The Button Box by Margarette S. Reid. They discuss the difference between guessing and estimating. Based on an experiment, they predict the number of...
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Worksheet
Curated OER

Round Whole Numbers and Decimals

For Students 3rd - 6th
For this rounding whole numbers and decimals practice worksheet, learners sharpen their problem solving skills as they solve six story problems.
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Lesson Plan
Curated OER

Applied Science - Science and Math Lab

For Teachers 1st - 6th
Students make a prediction. In this applied science lesson, students guess the number of items in a jar. Students create a bar graph to show the predictions and the actual amounts.
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Interactive
Curated OER

Round Numbers to the Nearest 100

For Students 3rd - 6th
Young mathematicians round numbers to the nearest 100. They round 10, 3 digit numbers to the nearest 100. Good, basic practice
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Worksheet
Curated OER

Round and Estimate

For Students 3rd - 5th
In this estimation and rounding learning exercise, 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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Lesson Plan
Curated OER

Counting Blood Cells

For Teachers 3rd - 5th
Students observe number sense by participating in an estimation activity. In this blood cells lesson, students identify the importance of blood cells in the human body and discuss how tiny they are. Students utilize paper dots as a...
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Lesson Planet Article
Curated OER

Go Ahead, Take a Guess! Estimating in the Real World

For Teachers 3rd - 6th
Learning how to use estimating to solve real life problems can be a great way for students to apply math skills.

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