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This lesson provided by:
Author: Teonna Mills
System:Jefferson County
School:Irondale Middle School
Lesson Plan ID: 24130
Title:

Are Your Numbers Round?

Overview/Annotation:

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.

Content Standard(s):
MA2013(3) 10. Use place value understanding to round whole numbers to the nearest 10 or 100. [3-NBT1]
MA2013(4) 7. Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons. [4-NBT2]
MA2013(4) 8. Use place value understanding to round multi-digit whole numbers to any place. [4-NBT3]
Local/National Standards:

Students will be able to compute fluently and make reasonable estimates.
National Council for Teachers of Mathematics.

Primary Learning Objective(s):

Students will extend their knowledge of rounding numbers to estimation.

Additional Learning Objective(s):  
Approximate Duration of the Lesson: 31 to 60 Minutes
Materials and Equipment:

Computer with Internet access, Multimedia projector

Technology Resources Needed:

Access to the computer lab, Elmo camera projector

Background/Preparation:

You must install the Java application before viewing videos or applets.

Procedures/Activities:
1.)Introduce the lesson by reviewing the place value chart. (You may project this chart onto your board or longest wall).

2.)Review with students the units of the place value chart. As guided practice, have students do the following problems at their desk. (Place Value Examples)

3.)Open Discussion -
Ask the class, "Do you think that it is sometimes necessary to round numbers?"
After listening to the responses, ask the class, "In what types of situations might you need to round the numbers?"
Listen to the responses.

4.)Introduce the video for rounding numbers.
(Rounding Numbers by Lawrence Perez)
This video uses a simple and easy technique to teach how to round numbers.

5.)Students go to the computer lab to practice rounding numbers.
(Spy Guys Interactive - Rounding Numbers)
This is an interactive site that helps students to practice rounding numbers. Special Note: You may need to click on 'Lessons' and then on 'Rounding Numbers.'

Attachments:**Some files will display in a new window. Others will prompt you to download. PLACE VALUE CHART.doc
Place Value Examples.doc
Assessment Strategies:

Students will be quizzed by this computer interactive application program. Assessment

Extension:

Students will explore estimation with Estimation.

Remediation:

This site offers a range from easy to hard problems for students to practice their skills on place value or rounding. More practice

Each area below is a direct link to general teaching strategies/classroom accommodations for students with identified learning and/or behavior problems such as: reading or math performance below grade level; test or classroom assignments/quizzes at a failing level; failure to complete assignments independently; difficulty with short-term memory, abstract concepts, staying on task, or following directions; poor peer interaction or temper tantrums, and other learning or behavior problems.

Presentation of Material Environment
Time Demands Materials
Attention Using Groups and Peers
Assisting the Reluctant Starter Dealing with Inappropriate Behavior

Be sure to check the student's IEP for specific accommodations.
Variations Submitted by ALEX Users:
Alabama Virtual Library
Alabama Virtual Library

Hosted by Alabama Supercomputer Authority
The University of Alabama at Birmingham
The University of Alabama at Birmingham
The Malone Family Foundation
The Malone Family Foundation
Thinkfinity
Thinkfinity
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