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.
Project Britain
Primary Homework Help: Rounding to Nearest 10 or 100
The learning activity reviews rounding to the nearest ten or hundred. Students answer ten questions and can check their answers when finished.
Fact Monster
Fact Monster: Rounding Numbers
The lesson explores how to round numbers. Explanations and examples are included in the tutorial.
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 instructional activity designed for students in grades 3-5 where students are engage in hand-on experiences involving measuring...
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.
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.
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.
Khan Academy
Khan Academy: Estimate Lengths
Sal estimates lengths using units of inches, feet, centimeters, and meters. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video tutorial, or receive hints.
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.
Alabama Learning Exchange
Alex: Are Your Numbers Round?
Students will use a variety of activities and games to learn how to round numbers.This lesson plan was created as a result of the Girls Engaged in Math and Science, GEMS Project funded by the Malone Family Foundation.
Khan Academy
Khan Academy: Estimate Mass (Grams and Kilograms)
Practice estimating the mass of real life objects using grams and kilograms. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
National Council of Teachers of Mathematics
Nctm: Figure This: Chocolate (Pdf)
Here's a delicious math challenge for chocolate lovers! Use your estimation and measurement skills to discover which irregular shaped, chocolate covered cookie has the largest surface area. A one-page activity from the NCTM Math...