University of Colorado
University of Colorado: Ph Et Interactive Simulations: Estimation
Explore size estimation in one, two, and three dimensions! Multiple levels of difficulty allow for progressive skill improvement.
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Estimation
Explore size estimation in one, two and three dimensions! Multiple levels of difficulty allow for progressive skill improvement.
US Census Bureau
Us Census Bureau: International Data Base
Statistical data on the population and demographics of 228 countries, including change, sex ratios, life expectancy, and percent with HIV/AIDS. There are also detailed explanations of the means of producing these statistics. It is...
CK-12 Foundation
Ck 12: Inequalities With Addition and Subtraction of Fractions
[Free Registration/Login may be required to access all resource tools.] CK12: Inequalities with Addition and Subtraction of Fractions
AAA Math
Aaa Math: Estimation
Improve your estimation and rounding skills with these interactive games that are challenging and fun. Excellent skills practice for rounding, estimating sums and differences, and front-end estimation. Links to lesson plans, teacher...
PBS
Pbs Learning Media: How Many Jelly Beans?
In this video segment from Cyberchase, Inez estimates whether she has enough jelly beans in her large container to decorate all of the cookies in her batch.
Shodor Education Foundation
Shodor Interactivate: Estimator Four
This applet game for two allows you to practice estimating at several different levels of accuracy. You can choose whole number addition, multiplication, percentages or any combination of the three.
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...
Shodor Education Foundation
Shodor Interactivate: Lesson: Estimation
This lesson plan is designed to help learners learn to make estimates. Resources are linked to help support the teacher and offer exploration and practice to students.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Estimating Quotients
This is a question about the best way to estimate the answer to a division problem. The answer offers a basic definition of estimation, along with several methods and the positive and negative aspects of each.
Other
Mr. Pitonyak's Pyramid Puzzle
Students estimate the cost of building an Egyptian pyramid with modern materials and ancient building methods in this math project.
Scholastic
Scholastic: Study Jams! Math: Numbers: Estimate Whole Numbers
This site provides great practice on the concept of estimating and rounding whole numbers. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can...
National Council of Teachers of Mathematics
Nctm: Figure This: Beating Heart
Do you know how long it takes your heart to beat 100 times? Test your estimation and number sense skills with this problem-solving challenge. A one-page activity taken from the NCTM Math Challenges for Families Collection. Hints and...
TeachEngineering
Teach Engineering: Cost Comparisons
Students learn about the many types of expenses associated with building a bridge. Working like engineers, they estimate the cost for materials for a bridge member of varying sizes. After making calculations, they graph their results to...
TeachEngineering
Teach Engineering: Stack It Up!
Students analyze and begin to design a pyramid. Working in engineering teams, they perform calculations to determine the area of the pyramid base, stone block volumes, and the number of blocks required for their pyramid base. They make a...
Soft Schools
Soft Schools: Estimation Word Problem Quiz
This word problem quiz will require you to make estimations based on the given information.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Subtraction
[Free Registration/Login may be required to access all resource tools.] Subtracting decimals with and without rounding
CK-12 Foundation
Ck 12: Arithmetic: Prices Involving Sales Tax
[Free Registration/Login may be required to access all resource tools.] Have you ever had to calculate a tip in a restaurant? Figure out the amount with taxes and estimate appropriate tips.
CK-12 Foundation
Ck 12: Arithmetic: Multiplication of Decimals and Whole Numbers
[Free Registration/Login may be required to access all resource tools.] Understand and evaluate the multiplication of decimals by whole numbers.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Addition
[Free Registration/Login may be required to access all resource tools.] Add and subtract decimals with and without rounding
CK-12 Foundation
Ck 12: Arithmetic: Mixed Number Rounding to the Nearest Whole
[Free Registration/Login may be required to access all resource tools.] Round given mixed numbers to the nearest whole number.
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
CK-12 Foundation
Ck 12: Arithmetic: Total Bill Including Tip and Tax
[Free Registration/Login may be required to access all resource tools.] In this lesson students calculate total bills including tips and taxes. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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.