CK-12 Foundation
Ck 12: Elem Math: Estimate and Compare Meters and Centimeters? (Grade 4)
[Free Registration/Login may be required to access all resource tools.] This site offers four videos and a set of practice questions on estimating and comparing meters and centimeters using images and descriptions.
AAA Math
Aaa Math: Subtraction Using Estimation
This site explains how to estimate differences by rounding. Games and exercises are provided to practice the skill.
CK-12 Foundation
Ck 12: Elem Math: Estimating Measure by Description Multiple Choice
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must choose the best answers to questions about the estimated lengths of objects. Includes video demonstrating a sample problem...
Khan Academy
Khan Academy: Estimate Volume (Milliliters and Liters)
Practice estimating the volume of real life objects using milliliters and liters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
AAA Math
Aaa Math: Addition Using Estimation
This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.
Khan Academy
Khan Academy: Estimating With Dividing Decimals
Student practice estimating with dividing decimals.
CK-12 Foundation
Ck 12: Elem Math: Estimating Capacity Using Water Metric Units
[Free Registration/Login may be required to access all resource tools.] Students practice estimating capacity using metric units.
Sophia Learning
Sophia: Introduction to Estimating
A slideshow exploring the importance of using estimating in calculations in life situations and in physics. Understand how estimating in physics can help you see if your calculated answer is correct or not.
Khan Academy
Khan Academy: Estimating With Adding Decimals
For example, estimate 12.93 + 6.1 to be 19. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Estimating Slope of Line of Best Fit
Given a scatter plot, can you estimate the slope of the line of best fit that goes through the data points? Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.
CK-12 Foundation
Ck 12: Elem Math: Estimating Capacity Using Water (Metric Units)
[Free Registration/Login may be required to access all resource tools.] In this learning module, students must estimate how much water is needed for a task, using metric units of capacity. Includes video demonstrating a sample problem...
CK-12 Foundation
Ck 12: Elem Math: Estimating the Metric Lengths of Objects by Image
[Free Registration/Login may be required to access all resource tools.] For this learning module, students must analyze the information they are given about the metric heights of three objects and answer questions that compare them....
Khan Academy
Khan Academy: Estimating Equations of Lines of Best Fit and Making Predictions
Practice estimating the equation of a line of best fit through data points in a scatter plot. Then use the equation to make a prediction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition Using Front End Estimation
[Free Registration/Login may be required to access all resource tools.] Use front-end estimation to estimate decimal sums
Shodor Education Foundation
Shodor Interactivate: Lesson: Estimation
This lesson plan is designed to help students learn to make estimates. Resources are linked to help support the teacher and offer exploration and practice to students.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Estimating and Counting Money
The purpose of this lesson plan from the Illinois Institute of Technology is to review estimating and rounding to the nearest dollar as well as gain skills and practice in counting money. The students will define the meaning of estimate...
Illustrative Mathematics
Illustrative Mathematics: 7.sp Estimating the Mean State Area
The table below gives the areas (in thousands of square miles) for each of the lower 48 states. This serves as the population for this study. Your task involves taking small samples from this population and using the sample mean to...
Other
Explore Learning: Estimating Population Size
Adjust the number of fish in a lake to be tagged and the number of fish to be recaptured. Use the number of tagged fish in the catch to estimate the number of fish in the lake. (Free usage is limited to five minutes per day.)
Shodor Education Foundation
Shodor Interactivate: Comparison Estimator
Use this applet to practice your estimating skills comparing length, area, counting or a random sampling of those topics. You can also adjust the difficulty and the precision needed. The applet also lets you know how close you are to the...
Scholastic
Scholastic: Max's Math Adventures: A Sweet Story
In this Max's Math Adventure, estimate pieces of candy with Max, Ruthie, and Pop. Features include a teacher's guide, activity sheet, and extra challenges.
TeachEngineering
Teach Engineering: About Accuracy and Approximation
Students learn about the concepts of accuracy and approximation as they pertain to robotics, gain insight into experimental accuracy, and learn how and when to estimate values that they measure. Students also explore sources of error...
NumberNut
Number Nut: Estimate and Round Why Is This Important?
Problem solving will become a little easier when you understand the concepts of estimation and rounding. Explore how these concepts are used in mathematics and real world applications. Detailed examples and links to related games...
ClassFlow
Class Flow: Estimating Sums and Differences
[Free Registration/Login Required] This flipchart is designed to teach third grade students the steps in estimating sums and differences. It also reviews rounding numbers to the nearest ten and hundred.
AAA Math
Aaa Math: Rounding Numbers to the Nearest Ten
This site explains how to round whole numbers to the nearest ten. The information on the site gives exercise problems and games to practice this skill in a fun and helpful way.