PLACE VALUE MAtEriALs - Center for Innovation in Education

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$Math a Way of Thinking Course Syllabus - Center for Innovation in ...$

Chapter 11: Place ValueRandom PracticeDice GamesPlay Dice Arrangement (NL, p. 11.11), Race to a Bowl (p. 11.12), Race toZero (NL. p. 11.12) in base ten.(*) Note: Large place value additionboards can be made with 9" x11" file folders. (see directions p.11.23)Bob’s DittoAdditionMaterials: small objects; portion cups; addition board* (NL Blackline#39); recording sheet (NL Blackline #38)Step One: Take a handful of junk andcount it into count ing cups. Place thejunk on the top place value boxes of theaddition board. Record the number onthe recording sheet.Step Two: Take another handful andcount it into count ing cups. Place thejunk in the middle place value boxes.Record the number on the recordingsheets.Step Three: Move the junk down to thebottom place value boxes.Step Four: Regroup to find the total.Record the total on the recording sheet.SubtractionMaterials: place value board; small objects; portion cups; a woodencube numbered 4, 5, 6, 7, 8, 9; recording sheet (NL Blackline #38)Step One: Take a handful of objects and regroupinto ten’s if possible. Place the objectson the place value board.Step Two: Record the amount of objects onthe recording sheet.Step Three: Roll the die. Record the numberon the paper. Subtract that many objectsfrom the place value board.Step Four: Record the answer.Page 11.18© 2011 Center for Innovation in Education, Saratoga, California
Place Value Station ActivitiesMathematics Their Way Summary NewsletterThe place value station activities fall into two cate gories:• Counting Activities• Addition and Subtraction ActivitiesPlace Value Counting ActivitiesThe counting activities provide children opportunities to rebuild inbase ten. The counting stations should be introduced before the additionand subtraction stations.Measuring MTW, p. 307Estimating and Checking MTW, p. 308Counting Jars of Objects MTW, p. 310Perimeter MTW, p. 315Unifix Stack MTW, p. 320Magazine Pictures NL, p. 11.19Place Value Addition and Subtraction ActivitiesThe following activities provide children opportunities to regroupwhile adding and subtracting. Add these stations when the childrendemonstrate a clear understanding of regrouping while counting inbase ten.Determining Prices MTW, p. 312The Store MTW, p. 317Inside-Out NL, p. 11.20Bob’s Ditto NL, p. 11.18Place Value ActivitiesNot Found in MathTheir WayMagazine PicturesMaterials: Magazine pictures, old wrapping paper and/or stickersscattered on a page of paper; water-soluble pen; wet rags; NL Blackline#42Note: Find either magazine pictures, wrapping paper, or createpictures by sticking stickers on a page. Each picture should havebetween 12-100 objects that are easily countable. Label each picturewith a different letter. Cover the pictures with acetate.Procedure: The child chooses a picture and records the letter on therecording sheet. He or she circles as many groups of ten as possible.Next the child counts the total number of objects and records theanswer on the recording sheet.Extension:Procedure: Some teachers place several different types of rubberstamps, a stamp pad, and blank paper in this station. The childchooses a stamp and covers the paper with the stamp's image. He orshe circles the stamped images in groups of ten. Next the child countsthe total and records the number on the page. The recording can betaken home.© 2011 Center for Innovation in Education, Saratoga, CaliforniaPage 11.19
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PLACE VALUE MAtEriALs - Center for Innovation in Education

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