PLACE VALUE MAtEriALs - Center for Innovation in Education

Place Value StationsPage #'s MTW, p. 307MEASURINGGEOBOARD DESIGNS (INSIDE-OUTSIDE)MTW, pp. 316THE STOREMTW, pp. 317, 396DETERMINING PRICESMTW, pp. 312, 396NL, p. 11.18BOB'S DITTOActivity DescriptionMaterials needed: Materials needed: Materials needed: Materials needed: Materials needed:• approximately 100 Unifix cubes in • 10-12 objects in plastic zippered • pennies and dimes in empty• Unifix cubestwo colorsbags and priced less than 50¢ bullion tubes or coin cylinders• word and picture cards (door, • 4-5 place value boards• real coins (dimes and pennies • place value addition boardschair, bookcase, table, desk, • 6-8 geoboardsonly) in coin cylinders (from a (NL Blackline # 39) or largewindow, trash can, coat, book,coin shop) with the level marked place value addition boardspaper, easel, box, record player,with a marking pen.(see p. 11.23)etc.) for the children to use to• place value addition boards • cans of food (real food inside)spell these words(NL Blackline # 39) or large place labeled and priced less thanvalue addition boards (see p. 50¢.11.23)Procedure: The children selecta card. (A simple picture of theobject can be drawn on the card tohelp the children.) The childrenmeasure the object describedon the card with Unifix cubes inwhatever direction they choose.Procedure: The children make adesign on two side-by-side geoboardswith one geoband. They cover the“inside” nails that are not touchedby the geoband with one color Unifixcube and the “outside” nails that arenot touched by the geoband with thesecond color. They take both colorsoff the geoboard, snap them togetherinto groups of ten’s and place themon the place value board.Procedure: The children select twoitems from the store to “buy”. Thenthey put the needed coins on theiraddition board and compute thetotal.Procedure: The children select twocans of food to “buy”. They putthe needed coins on their additionboard and compute the total.• small object (e.g., elbow macaronior kidney beans)• place value addition boards(NL Blackline # 39) or largeplace value addition boards (seep. 11.23)• place value boards• portion cups• 6-8 dice numbered 4, 5, 6, 7, 8, 9Procedure: Consult NL, p. 11.18 for adetailed description of Bob's Ditto.* Recording materials are placed in the tubbing stations only after the children have had sufficient time to work at the concrete (concept) level with the manipulatives. Depending on the class'sexperience and the material in the tubbing station, the time allowed may span from several weeks to several months. Recording should be introduced as an optional activity.Additional materials needed: Additional materials needed: Additional materials needed: Additional materials needed: Additional materials needed:Record Activity ing Description*• NL Blackline #41Recording: The children writedown the name of the object measuredand the number of Unifixcubes it took to measure it. (Thechildren can measure and recordthree different objects on each• NL Blackline #42Note: At least two geoboards mustbe used so there will be enough nailsinside and outside the geoband forthe children to experience additionwith regrouping.Recording: The children count andrecord the number of Unifix cubeson the inside of the geoband. Thenthey count and record the numberof Unifix cubes on the outside on thegeoband. They add two groups ofUnifix cubes together and record thetotal number of Unifix cubes insideand outside the geoband design.• MTW Blackline #59Recording: The children choose twothings to “buy” and write downthe names and prices. They put themoney needed on the place valueaddition board and compute thetotal. Then they record the processon the recording paper.• MTW Blackline #59Recording: The children select twocans of food to “buy” and recordthe names of the items and prices.Then they put the needed coins ontheir addition board and computethe total. They record the processon the recording paper.• NL Blackline #38Cut the recording sheets on thedotted line. Place the additionand subtraction sheets in separatesmall zippered bags.Recording: Consult NL, p. 11.18 fora detailed description.© 2011 Center for Innovation in Education, Saratoga, California 11.22