Interactive
Quia

Quia: Rounding Decimals/whole Numbers

For Students 4th - 6th Standards
Two learning games and flashcards are available for students to practice rounding decimals to the nearest whole number.
Unit Plan
AAA Math

Aaa Math: Rounding Decimals to the Nearest Tenth

For Students 5th - 7th Standards
This lesson from AAA Math explains how to round decimals to the nearest tenth. Gives practice problems and games to test your skills.
Activity
NumberNut

Number Nut: Estimate and Round Why Is This Important?

For Students 3rd - 7th
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...
Unit Plan
AAA Math

Aaa Math: Estimation

For Students 4th - 6th
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...
Interactive
Fun Brain

Fun Brain: Place Value Puzzler

For Students 1st - 5th Standards
An engaging and fast-paced game from FunBrain, where players activate their knowledge of place value and rounding. Numbers range in difficulty from easy to hard. However, for those who are up for a more serious challenge, there's also a...
eBook
AAA Math

Aaa Math: Circumference of a Circle

For Students 9th - 10th Standards
Calculating the circumference or perimeter of a circle has gotten easier with this formula and practice for finding the circumference.
Activity
Other

Basket Math Interactive

For Students 9th - 10th Standards
Explore more than twenty math concepts such a perimeter, rounding, exponents, decimals, sign numbers, and more using this interactive basketball game. A Spanish version is also offered. Students results are tabulated daily.
Lesson Plan
Alabama Learning Exchange

Alex: Are Your Numbers Round?

For Teachers 3rd - 5th
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.