ClassFlow
Class Flow: Estimating
[Free Registration/Login Required] Students will learn the rounding method of estimating whole numbers. Assessment questions are included.
Math Slice
Basic Math: Rounding
This resource covers whole number rounding where students can choose to round to the nearest tens to millions. After selecting parameters students are timed completing ten problems with instant feedback and an opportunity to practice again.
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.
ClassFlow
Class Flow: Estimate Rounding
[Free Registration/Login Required] The teacher will use this lesson plan to review rounding, estimation, and computation.
NumberNut
Number Nut: Rounding Numbers to the Nearest Hundred
Round each number to the nearest hundred. Select the correct answer of three choices. There are ten random questions.
Quia
Quia: Hangman Rounding
Don't get "hung up" when you play this old game with a new twist. Simply, round each numbers to the nearest thousand then, find the sum or difference. Knowledge of place value units, where to put the comma, and good computation skills...
Alabama Learning Exchange
Alex: Are Your Numbers Round?
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.
Beacon Learning Center
Beacon Learning Center: Round About
Students learn about estimation using a number line and rounding rules through this interactive web lesson.
Other
Gynzy: Rounding Money
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.
Simon Fraser University
Chem1 Virtual Textbook: Significant Figures and Rounding Off
As part of a larger site called "Getting started in Chemistry," this site examines significant figures and claims to teach the user "how to avoid telling lies with numbers."
Khan Academy
Khan Academy: Round to Nearest 10 or 100 on the Number Line
Practice rounding to the nearest ten and rounding to the nearest hundred on the number line. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Quia
Ixl Learning: Estimate Products
Estimate the product by rounding to the nearest ten before multiplying.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Rounding and Significant Figures: Audio Book
This audio book, narrated by author Mark Bishop, describes how to determine significant figures in chemical calculations. Many examples are given to help figure out how to round the answers. Also find links to tutorials and power points...
Quia
Quia: Angles
Practice rounding numbers to the nearest whole number or fraction with this interactive game. Check out this helpful resource!
Fun Brain
Fun Brain: Place Value Puzzler
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...
ClassFlow
Class Flow: Add and Subtract Large Numbers
[Free Registration/Login Required] Use this flipchart as a review of adding, subtracting and rounding larger numbers. Practice after the concept has been taught.
Mangahigh
Mangahigh: Number: Estimates and Approximations
Estimate numbers by rounding whole numbers and decimals.
AAA Math
Aaa Math: Addition Using Estimation
This site explains how to estimate sums by rounding whole numbers. Games and exercises are provided to practice the skill.
Study Pad
Splash Learn: Add Decimals Using Models
[Free Registration/Login Required] This fun decimal addition worksheet introduces students to the world of operations with decimal numbers. Fifth graders use models to visualize the addition of numbers in the tenths and hundredths places...
Arcademics
Arcademics: Tandem Turtles
Multiplayer math game where turtle teams on skateboards race by rounding whole numbers to the nearest 10's place value.
Arcademics
Arcademics: Space Jaunt
Multiplayer math game where alien spaceships race by rounding whole numbers to the nearest 10's place value.
Other
Basket Math Interactive
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.
Oswego City School District
Regents Exam Prep Center: Irrational Approximations
Providing one lesson, one practice exercise, and two teacher resources, the information at this website is geared toward students who already understand rational and irrational numbers. The lesson has explanations of what happens when a...
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