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.
Fact Monster
Fact Monster: Rounding Numbers
The lesson explores how to round numbers. Explanations and examples are included in the tutorial.
Soft Schools
Soft Schools: Estimation Word Problem Quiz
This word problem quiz will require you to make estimations based on the given information.
E-learning for Kids
E Learning for Kids: Math: Hamburger Restaurant: Operations With Money
On this interactive site students learn to round numbers to the nearest ten thousand, determine the place value of any digit, and use ordinal numbers.
National Council of Teachers of Mathematics
Nctm: Figure This: Do Women Live Longer Than Men?
Use this site to figure out if women really do live longer than men. A math challenge taken from today's health journals that explores data collection, data analysis, patterns, and graphing skills. Learn how mastering these skills can be...
E-learning for Kids
E Learning for Kids: Math: Husky Sled: Money
Frederick is going on a husky sled trip, but needs to buy things first. Can you help him?
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Lesson: An Introduction to Estimation and Measurements
Pancakes anyone? Students explore estimation and measurement by learning how to make pancakes. A hands-on lesson designed for students in grades 3-5 where students are engage in hand-on experiences involving measuring volume, converting...
ClassFlow
Class Flow: Estimation
[Free Registration/Login Required] After this lesson, students will be able to solve problems using a variety of mental math strategies.
University of South Florida
Fcat: Using Proportions and Go Fish!
Students "go fishing" and use proportions to learn how estimating is used to determine the size of a population.
PBS
Pbs Learning Media: Estimating Distance and Travel Time
In this Cyberchase video segment, the CyberSquad estimates how much air supply they will need to complete an underwater mission.
PBS
Pbs Learning Media: Estimating Time From Rate
Harry estimates how long it will take him to get to the front of a long ticket line in this Cyberchase video segment.
Quia
Ixl Learning: Estimate Sums With Numbers Up to 100,000
Practice rounding numbers to the nearest ten to estimate the sum.
Quia
Ixl Learning: Estimate Products
Estimate the product by rounding to the nearest ten before multiplying.
Khan Academy
Khan Academy: Estimate to Add and Subtract Multi Digit Whole Numbers
Use estimation to find a reasonable solution to multi-digit addition and subtraction problems. Numbers are less than or equal to 1000. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a...
Teaching Treasures Publications
Teaching Treasures: Year Six Math (Page 2)
This interactive worksheet covers a wide range of math concepts such as Roman Numerals, distributive property, estimating sums, and comparing fractions and decimals. Some concepts may be slightly challenging. Learners can access the help...
National Council of Teachers of Mathematics
Nctm: Figure This: Popcorn (Pdf)
If you're a popcorn lover, you might want to take this math challenge. A real-world challenge on visually estimating volume of popcorn containers. A one page activity from the NCTM Math for Families collection. Life skill applications...
Sophia Learning
Sophia: Finding Area With Squares: Lesson 4
Step by step, this video lesson [4:34] will show you how to add up the number of squares that cover an object in order to find the area of a figure. It is 4 of 7 in the series titled "Finding Area with Squares."...
AAA Math
Aaa Math: Estimation Rounding
This site explains how to round whole numbers. Gives problems and games to practice this skill.
AAA Math
Aaa Math: Round to Nearest Thousand
This site explains how to round whole numbers to the nearest thousand. Gives practice and games to master this skill.
AAA Math
Aaa Math: Round to Nearest Ten Thousand
This site explains how to round whole numbers to the nearest ten thousand. Gives exercises and games to practice this skill.
AAA Math
Aaa Math: Round to Nearest Hundred Thousand
This site explains how to round whole numbers to the nearest hundred thousand. Gives practice and games to practice this skill which are fun and helpful on the subject.
ClassFlow
Class Flow: Crct Review Day 6
[Free Registration/Login Required] This flipchart is a review for the Georgia CRCT covering fractions and estimating.
Sophia Learning
Sophia: Finding Area With Squares: Lesson 3
Step by step, this video lesson [2:41] will show you how to add up the number of squares that cover an object in order to find the area of a figure. It is 3 of 7 in the series titled "Finding Area with Squares."...
Khan Academy
Khan Academy: Round Whole Numbers Word Problems
Solve word problems by rounding whole numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.