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Activity
AAA Math

Aaa Math: Estimating a Sum by Rounding

For Students 3rd - 5th
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.
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Interactive
Other

Gynzy: Rounding Money

For Students 1st - 4th Standards
In this interactive game, students round money to 5 cents, 10 cents, or 100 cents by dragging a puzzle piece the the correct answer and revealing a picture when finished.
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Unit Plan
AAA Math

Aaa Math: Addition Using Estimation

For Students 5th - 7th
This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.
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Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Round to the Nearest Hundred [Pdf]

For Students 3rd - 4th Standards
Students play a card game with a partner to practice rounding numbers to the nearest hundred.
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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...
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Activity
History is Fun

Jan Brett: Seashell Rounding Activity

For Students 1st - 2nd
Sharpen your rounding skills with this interactive game based on Jan Brett's, Comet's Nine Lives. Round correctly to the nearest ten and earn a sand dollar for each correct response. Immediate feedback provided.
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Interactive
Quia

Quia: Rounding Decimals Whole Numbers

For Students 5th - 6th Standards
This tutorial-practice has students round decimals to the nearest whole numbers using a matching game format.
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Unit Plan
AAA Math

Aaa Math: Estimating a Difference

For Students 3rd - 5th
This lesson explains how to estimate differences between whole numbers. Gives practice and games to practice this skill in a helpful and fun way.
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Lesson Plan
Alabama Learning Exchange

Alex: Are Your Numbers Round?

For Teachers 3rd - 5th
Learners 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.
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Interactive
Arcademics

Arcademics: Tandem Turtles

For Students 3rd - 5th
Multiplayer math game where turtle teams on skateboards race by rounding whole numbers to the nearest 10's place value.
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Interactive
Arcademics

Arcademics: Space Jaunt

For Students 3rd - 5th Standards
Multiplayer math game where alien spaceships race by rounding whole numbers to the nearest 10's place value.
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eBook
Quia

Quia: Angles

For Students 3rd - 8th Standards
Practice rounding numbers to the nearest whole number or fraction with this interactive game. Check out this helpful resource!
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Activity
AAA Math

Aaa Math: Front End Estimation

For Students 3rd - 5th Standards
Front-end estimation is explained and demonstrated with an online game at this AAA Math lesson.
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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.
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Activity
K-5 Math Teaching Resources

K 5 Math Teaching Resources: Round to the Nearest Ten [Pdf]

For Students 2nd - 4th Standards
Students will play a game using a deck of cards to further understanding of rounding to ten.
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Interactive
Quia

Quia: Rounding Decimals Whole Numbers Concentration

For Students 5th - 6th Standards
Use this website to practice rounding decimals to the nearest whole numbers using a concentration game format.
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Activity
AAA Math

Aaa Math: Estimating a Sum by Rounding

For Students 3rd - 4th
This site explains how to estimate sums of whole numbers. Gives practice and games to practice this skill.
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Unit Plan
AAA Math

Aaa Math: Estimation Rounding

For Students 2nd - 4th Standards
This site explains how to round whole numbers. Gives problems and games to practice this skill.
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Interactive
Shodor Education Foundation

Shodor Interactivate: Estimator Four

For Students 2nd - 8th
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.
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Interactive
Government of Alberta

Learn Alberta: Math Interactives: Exploring Square Roots (Object Interactive)

For Students 6th - 8th Standards
Explore a set of perfect squares, as well as their square roots using this highly interactive math resource. In addition, students will get to look at estimates of the square roots of non-perfect squares. Printable activities, solutions,...
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Interactive
Quia

Quia: Math Journey

For Students 1st - 8th Standards
In this online game London is your starting place! This game lets you practice addition, subtraction, multiplication, division and rounding as you "Travel," around the world. You can also choose the level of difficulty
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Unit Plan
AAA Math

Aaa Math: Round to Nearest Thousand

For Students 4th - 5th Standards
This site explains how to round whole numbers to the nearest thousand. Gives practice and games to master this skill.
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Unit Plan
AAA Math

Aaa Math: Round to Nearest Hundred Thousand

For Students 4th - 6th Standards
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.
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Unit Plan
E-learning for Kids

E Learning for Kids: Math: Eiffel Tower: Roman Numerals and Angles

For Students 5th - 6th
Students will play learning games to explore expanded notation and angles such as identifying, measuring, and estimating. They will also convert Roman numerals into numbers.

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