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.
AAA Math
Aaa Math: Front End Estimation of Sums
Students can practice estimating sums using front-end estimation in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Rounding to the Nearest Ten Thousand
This site offers exercises and games for students to practice rounding whole numbers to the nearest ten thousand.
ABCya
Ab Cya: Estimating
Soccer Math: Estimating is a fun way for kids to practice estimating sums, differences, products and quotients. There are different levels of difficulty in each exercise making the game appropriate for a variety of students and grades....
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...
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.
AAA Math
Aaa Math: Estimating a Sum
Students can practice estimating sums to the nearest thousand in a series of self-check exercises and timed learning games.
AAA Math
Aaa Math: Estimating a Difference
Students can practice estimating differences in a series of self-check exercises and timed learning games.
McGraw Hill
Glencoe: Self Check Quizzes 2 Percents and Estimation
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of using estimation with percents. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom of the page...
AAA Math
Aaa Math: Estimating a Sum by Rounding
Use rounding to estimate the answer to an addition problem in this online game. As you play the game, running totals of correct and incorrect answers and your score are displayed.
AAA Math
Aaa Math: Front End Estimation
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
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.
Primary Resources
Primary Resources: Rounding Numbers and Estimating
A large selection of teacher resources to help teach and review the concepts of rounding and estimating. There are many worksheets and a few PowerPoint presentations.
Khan Academy
Khan Academy: Estimating With Multiplying Decimals
Estimating with multiplying decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Estimating With Dividing Decimals
Student practice estimating with dividing decimals.
Khan Academy
Khan Academy: Estimating With Subtracting Decimals
Student practice over estimating with subtracting decimals.
Quia
Ixl Learning: Rounding Numbers
Brush up on your math skills relating to rounding numbers then try some practice problems to test your understanding.
Quia
Ixl Learning: Estimating Products
Brush up on your math skills relating to estimating products then try some practice problems to test your understanding.
Project Britain
Primary Homework Help: Rounding to Nearest 100
The learning activity reviews rounding to the nearest hundred. Students answer ten questions and can check their answers when finished.
Khan Academy
Khan Academy: Estimating Length (In, Ft, Yd, and Mi)
Practice estimating the length of real life objects using US customary units. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Estimating Volume (Cups, Pints, Quarts, and Gallons)
Practice estimating the volume of real life objects using US customary units. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
AAA Math
Aaa Math: Estimating a Difference
This lesson explains how to estimate differences between whole numbers. Gives practice and games to practice this skill in a helpful and fun way.
Math Slice
Math Slice: Money Slice Special Test
Assess money estimation skills with this concise test that focuses on application of these skills in real world situations. Assessment is scored online providing students with immediate feedback. Excellent tool for a quick assessment.
PBS
Pbs Learning Media: Estimation From Random Sampling
Practice estimating wildlife population by using the process of random sampling.