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5 Chinese PuzzleDesign & Technology

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Chinese PuzzleProject for early Secondary

An ideal starting project, with no variation. Enjoyable for pupils, very easy on the department budget. Ideal filler project.

PointS of intereSt

• Easyandenjoyabletomake.

• Students can play with thefinishedjob.

• Crosscurricularwithmathsandgraphics.

• Assessmentonaccuracyandfinish.

• Novariationforwholeclass.

chineSe Puzzle Project, baSic SkillS.

• Introductiontotheworkshop.

• Workshopsafety.

• Handtoolsafety.

• Materialselection.

• Woodasamedium.

• Importanceofaccuracy.

• Finishingaproject.

Aquick,effectiveprojectaimedatthefirstfewyearsofsecondarytechnology,thisprojecthastheflexibilitytoofferdifferentiationthroughouttheyeargroups.

Allthreecomponentsshouldbepreparedpriortothelessonsothatstudentsfinditeasytoengagewithminimalsupervision.

Itisagreatstartingorfillerproject,asweakerstudentsfinditpossible

tokeepupwiththepace,whilstallstudentsdevelopgoodworkshoppractice.

Thestagesofmanufacturehavebeencompiledtoaidtheadvancementoftheclassasaunit,ratherthantheindividual.

Teaching poinTs

Somestudentswilltrytofreehandthemeasurements.

Accuracyisvitaltoasuccessfulproject.

Occasionally,pupilstrytochiselouttheslots.Thiswillsplitthewood.

Donotforcetightfittingjoints.Again,itwillsplitthewood.

Over-cleaningwithsandpaperwillcausealoosefitingjob.

Splitworkcanbegluedandusediflefttodry

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STARTING WITH THE CUTTING LIST:

3off125mm×30mm×13mm(Pine)

Pic 130 mm12

5 m

mThree pre-cut strips per student.

cleanandhavenoknots.Knotsare

causingirregularshapes.Itisimportantthatthestripsare13mmthickforthepuzzletowork.

Whencleaning,sandwiththegrain,notacrossthegrain.

CONSUMABLE MATERIALS: NONE

� STEP 1 MARKING OUT THE STRIPS.

32mm

15mm

15mm 15mm

32mm

32mm

9mm

15mm

A B C

Accuracyatthisstageisvitaltotheendproduct.

Hardwoodwithatightgrainisidealforthisproject.

Pinewithnoknotsisalsosuitable,althoughmorepronetosplit.

� STEP 2 PUTTING THE PUZZLE TOGETHER

Oncethethreepieceshavebeenmarkedout,theycanbecut.Ifthelessonincorporateshandtools,acopingsawshouldbeused.Itcanalsobecutusingavibrosawor,forspeed,itispossibletocutonabandsaw.

AB

C

The three parts of the puzzle

HOW TO DO THE PUZZLE

Insert piece B half way into slot

in piece C.

Slide A down C and lock into B.

Clip C into place

Cut inside the lines and clean excess out with a �le. If the holes are made too big, the puzzle will be too loose and will fall apart.

Do not force any pieces together.

If the strips are over-sanded, this will also result in a loose �nish.

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WORKSHEET 1 NAME:____________

Beforemarkingoutyourcutsonwood,markonthe3templatesbelow.Thethreetemplatesshownherearethesamesizeastheactualjob.Usethesetopractise.

Althoughtheinformation(dimensions)islimited,thereisenoughtobeabletoreproduceallthepieces(hint,findthecentrelines).

15 m

m

32 m

m

15 mm

32 m

m

15 mm15 mm

9 m

m

32 m

m

AccuracyisaveryimportantskilltomasterinTechnology. Use a ruler, pencil and a rubber.Getting it rightnowwill save lotsof timeandproblemslater.

Teachercomment:

GRADE:____________

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WORKSHEET 2 NAME:____________

comPlete the drawing below.

Why?Becauseknowingyourprojectwillmakethetasksomucheasierandyoucanvisualizewhatitwilllooklikewhenfinished.

1. Namethetypeofwoodusedinthepiecesoftheproject. __________________

2. Choosewoodwithout__________________

3. Thegrainofthewoodshouldrunacrossthewidthofthepieces. True/False

4. Whatisthenameofthesawusedtocutoutthepieces ____________________

5. Iftheslotsaretoobig,thejobwillbe______________________

6. Iftheslotsaretootight,thepartswill ______________

7. Splitpiecescanbeglued,althoughtheymustbeallowedtosetfor______hours.

8. Holesshouldbedrilledthen________and______tosize.

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9. Whatshouldbeavoidedwhencleaningthepieces?___________________________________________

____________________________________________

10.Thisprojectisatestof______________

� EVALUATION

(Thisisannimportantstageoflearningandunderstanding)

Ifyoucouldstartagain,whatwouldyoudodifferently?Whatwentwronginthemaking?

Whatcouldbedonebetter?

_____________________________________________________________________________________

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Grade yourself 1 to 6: Teacher grade 1 to 6: (with 6 highest)

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WORKSHEET 3 NAME:____________

calculationS with reference to the Puzzle

1. Halfof125 =___________ (Lengthofpiece)

2. Halfof30 =___________ (Widthofpiece)

3. Halfof32 =___________ (Lengthofslot)

4. Halfof15 =___________ (Widthofslot)

5. Halfof9 =___________ (WidthofopeninginpieceA,BorC)

6. Bisecttheselines:

7. Markasectionof32mmcentredonthemid-pointofthisline:

8. Markasectionoff,15mmcentredonthemid-pointofthisline:

9. Drawarectangle32mm×15mm:

10.Drawarectangle32mm×15mm,withthecrosssetinthemiddle:

11..WhatisthesurfaceareaofthefaceofpartC?(Clue,Length×Width=_______)

PartC:Length×Width=_________×_________.Sothearea=_________(X)

Whatisthesurfaceareaofthecutoutsection?

PartC:Length×Width=_________×_________.Sothearea=_________(Y)

SurfaceareaofpartC=X–Y=_____________

ThereforetheVolumeisC×thickness(13mm)

Volume=____________(Volumeiswritteninmm3).

GRADE:____________

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WORKSHEET 1 ANSWERS

Beforemarkingoutyourcutsonwood,markonthe3templatesbelow.Thethreetemplatesshownherearethesamesizeastheactualjob.Usethesetopractise.

Althoughtheinformation(dimensions)islimited,thereisenoughtobeabletoreproduceallthepieces(hint,findthecentrelines).

AccuracyisaveryimportantskilltomasterinTechnology.Usearuler,pencilandarubber.Gettingitrightnowwillsavelotsoftimeandproblemslater.

15 m

m

32 m

m

15 mm

32 m

m

15 mm15 mm

9 m

m

32 m

m

AccuracyisaveryimportantskilltomasterinTechnology. Use a ruler, pencil and a rubber.Getting it rightnowwill save lotsof timeandproblemslater.

Teachercomment:

© IBID PRESS 2010 This page may only be legally copied under the conditions of sale to the purchasing school .

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WORKSHEET 2 ANSWERS

comPlete the drawing below.

Why?Becauseknowingyourprojectwillmakethetasksomucheasierandyoucanvisualizewhatitwilllooklikewhenfinished.

1. Namethetypeofwoodusedinthepiecesoftheproject. Pine

2. ChoosewoodwithoutKnots

3. Thegrainofthewoodshouldrunacrossthewidthofthepieces. False

4. Whatisthenameofthesawusedtocutoutthepieces Coping Saw

5. Iftheslotsaretoobig,thejobwillbeLoose

6. Iftheslotsaretootight,thepartswill Split

7. Splitpiecescanbeglued,althoughtheymustbeallowedtosetfor24hours.

8. Holesshouldbedrilledthendrilledandthenfiledtosize.

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9. Whatshouldbeavoidedwhencleaningthepieces?If it is over cleaned or too much material is removed, the project will be too slack or loose.

10.ThisprojectisatestofAccuracy.

� EVALUATION

(Thisisanimportantstageoflearningandunderstanding)

Ifyoucouldstartagain,whatwouldyoudodifferently?Whatwentwronginthemaking?

Whatcouldbedonebetter?

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

_____________________________________________________________________________________

Grade yourself 1 to 6: Teacher grade 1 to 6: (with 6 highest)

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WORKSHEET 3 ANSWERS

calculationS with reference to the Puzzle

1. Halfof125 = 62.5 (Lengthofpiece)

2. Halfof30 =15 (Widthofpiece)

3. Halfof32 = 16 (Lengthofslot)

4. Halfof15 =7.5 (Widthofslot)

5. Halfof9 =4.5 (WidthofopeninginpieceA,BorC)

6. Bisecttheselines:

7. Markasectionof32mmcentredonthemid-pointofthisline:

8. Markasectionoff,15mmcentredonthemid-pointofthisline:

9. Drawarectangle32mm×15mm:

10.Drawarectangle32mm×15mm,withthecrosssetinthemiddle:

11..WhatisthesurfaceareaofthefaceofpartC?(Clue,Length×Width=_______)

PartC:Length×Width=125 mm×30 mm.Sothearea=3750 mm2

Whatisthesurfaceareaofthecutoutsection?

PartC:Length×Width=32mm×15mm.Sothearea=480 mm2

SurfaceareaofpartC=X–Y=3750 – 480 = 3270 mm2

ThereforetheVolumeisC×thickness(13mm)

Volume=3270 × 13 = 42510 mm3(Volumeiswritteninmm3).

GRADE:____________

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Scheme of work

TheSchemeofworkmaylooksomethinglikethis:

LessonLesson

ObjectivesActivities Materials

Assessment

Cross-curricularHomework

1

Analyzingthetask,problem,designbriefclientandbrainstorm

Projectintroduction,discussiononpuzzledesign,constructionandproblems.

Storyboard,A4paper.Premadegame.Examplematerial.

English,Maths,IT(research),Graphics.Teacherobservation.

Collectionofimagesofgames.A4sheet.Completeclasswork.

2

Researchandselectionofconstruction,material.Lookatexistingproducts.

Isometricdemo,visualblowupofcutsandwhy.Investigateproducts.

A4paper,Examplesofjoins.Alternativepuzzleideas.Fabricationpoints.

English,Maths,IT(research),Graphicsandteacherobservation.

Compilepreferredimages.Completeclasswork.Roughsketchofparts.

3

Markingoutwood,usingcorrectmeasurementsandcuttingmaterial.

Teacherdemonstrationofeachsection.Individualpracticalsession.Useofhandtools.

Pine(type)wood(noknots),precut.PVA,pencils,rules,etc.

Maths.Graphicalability.Qualityandaccuracy.Teacherobservation.

Produceamaterialandequipmentlistusedforlessontasks.

4Finishcuttingthethreeparts.Cleanbursandmarksfromjob.

Practicallessontofinishcuttingofblocks.Cleaningusingsandpaper.

Pine(type)wood(noknots),precut.PVA,pencils,rules,etc.

Maths.Graphicalability.Qualityandaccuracy.Teacherobservation.

Studentselfevaluatetheproject,listofpersonalimprovements.

5Learnimportanceofaccuracythroughmarkingoutandchecking.

Finishpracticalwork,cleanandstain.Playwithproject.Evaluatefinishedjob.

Projectboards,PVA,sandpaper,pencils,rules,A3paper.

Maths.Graphicalability.Qualityandaccuracy.Finishedjob.

Studentsselfevaluatetheprojectandcompilealistofimprovements.

Thisschemeofworkisonlyaguide.Yoursmaydifferdependingonyourteachingstyles.

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aSSeSSment rubric

0 Level 1-2 Level 3-4 Level 5-6 Level

B

Design

Thestudentdoesnotreachanyofthestandardsdescribedbythedescriptorstotheright.

TheStudenthascompletedsomeofthefourdesignbriefworksheets.S/hehasshownabasicunderstandingoftheprojectindrawingform.

TheStudenthascompletedthefourdesignbriefworksheets.S/hehasshownafairunderstandingoftheproject.S/hehasconstructedafairrepresentation,inisometricform,oftheproject.

TheStudenthascompletedthefourdesignbriefworksheetstoahighstandard.S/hehasshownagoodunderstandingoftheproject.S/hehasproducedahighstandardisometricdrawingoftheproject.

C

Plan

Thestudentdoesnotreachanyofthestandardsdescribedbythedescriptorstotheright.

Thestudenthaslimitedunderstandingoftaskmanagement.S/hehasnotbeenabletocompletetheproject.

Thestudenthasanunderstandingoftaskmanagement.Theyhavebeenabletocompletetheprojectontime.

Thestudenthasplannedouttheuseoftimeoveravailableequipment.S/heunderstoodandmanagedthetaskseffectively.

D

Create

Thestudentdoesnotreachanyofthestandardsdescribedbythedescriptorstotheright.

Thestudentcreatedtheproduct.S/heworkedsafely.

Thestudentcreatedtheproductaccordingtotheapproveddesignandfollowingtheplans.Theyworkedsafelyandtidilythroughttheunit.

Thestudentcreatedtheproductaccordingtotheapproveddesignandfollowingtheplans.Theirworkisaccurateandwellfinished.S/hehasworkedsafelyandtidilythroughouttheunit.

E

Evaluate

Thestudentdoesnotreachanyofthestandardsdescribedbythedescriptorstotheright.

Thestudentprovidesaverybasicratingofhis/herperformance.

Thestudentprovidesabasicratingofhis/herperformance.Reflectspossibleimprovementsinfuturework.

Thestudentprovidesanoverallratingofhis/herperformance.Justifiestheratingandreflectspossibleimprovementsinfuturework.

F

AttitudesinTechnology

Thestudentdoesnotreachanyofthestandardsdescribedbythedescriptorstotheright.

Thestudentprovidedalittleevidenceofpersonalengagementwiththesubject.

Thestudentprovidedevidenceofpersonalengagementwiththesubject(agenerallypositiveattitude)intechnology.

Thestudentprovidedevidenceofpersonalengagementwiththesubject(independence,generalpositiveattitude)intechnology.

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� TIME FRAME AND DURATION:

• 6to8Weeksat2×45minperweek.

� AREA OF INTERACTION

• ApproachestoLearning,HumanIngenuity

� INTERDISCIPLINARY AND CURRICULUM LINKS

• Maths

� SIGNIFICANT CONCEPTS

• Outlinethedesignbrief.

• Designatesttoevaluatetheproductagainstthedesignspecification.

• Evaluatethedesignsagainstthedesignspecification.

• Usearangeofappropriatetechniquesandequipmentcompetently.

• Suggestwaysinwhichperformancecouldbeimproved.

• Carryoutunitsofworkintechnologyusingmaterialsandtechniquessafelyandresponsibly.

� MYP UNIT QUESTION

• Whyisitimportanttobeabletoaccuratelymarkoutapieceofworkintechnology?

SUB QUESTIONS

• Whyshouldweknowtheprojectbeforemakingtheobject?

• Whyisaccuracyimportant?

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� ASSESSMENT:

Studentswill:

• Completethefourworksheetsprovidedforthisproject.

• Accuratelymarkoutworkusingpreviouslycompletedworksheets.

• Followthestagescorrectlyforfabricationofproject,usingappropriatetoolsandmachinery.

• Produceadimensionedisometricdrawingofthefinishedproject.

• Evaluatetheirworkandalsotheprojectingeneral.

� MYP OBJECTIVES TO BE ADDRESSED

• Design,Plan,Create,andEvaluate.AttitudestoTechnology.

� ASSESSMENT CRITERIA TO BE USED:

• B,C,DandE,F

� PREVIOUS KNOWLEDGE AND SKILLS TO BE USED

• Mathematicskills,forthemarkingoutandpreparationpriortofabrication.

• Englishskillsforunderstandingthetasktobeperformed.

• Artexperiencefortheabilitytodrawandcreateworkingdiagrams/drawings.

� APPROACHES TO LEARNING

• Theunitisaimedatdevelopinginthestudentsalimitedunderstandingoftheprocessesinvolvedindesigntechnology.Studentswillbecomefamiliar (byuse)with toolsandequipmentaswellas thesafetyaspectsinvolved.

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� LEARNING EXPERIENCES

• Studentswillinitiallyworkfromthepredevelopedworksheetstogainanunderstandingoftheunit.Theywillseefinishedworkpriortostartingtoshowdirection.Theywillreceivesafetyinstructionsforusingthevariousequipmentrequiredtocompletetheproject.

• Studentswillacquireknowledgebycompletingthevarioustasks.Severaltaskswillbeopenedtothem.Allmustbecompleted(studentcentredlearningwilltakeplace).

• Itisexpected(orpresumed)thatstudentshavealittlepriorknowledgeofthesubject.

� TEACHING STRATEGIES

• Assessmentwillbebasedinitiallyontheworksheetsi.e.completionandpresentation.Studentunderstanding(andthereforeassessment)willbecomeobviousoncethepracticalworkbegins.Feedbackonthetaskswillbemarkedonthesheetsandverbalteacherinputduringpracticalworkshouldalsooccur.

• Theprojectisaimedatstudentcentredlearning.Thestudentshouldbeawareofwhatisrequiredandshouldmanagethetaskstosuitavailabilityofequipmentandstagesneeded.

• Theprojecthashugescopefordifferentiationeitherinthestartingpointorthestages(canbeadjusted)asrequiredbytheteacher.

• Thisisahighlyvisualprojectandstudentswithlanguagedifficultiesand,tosomeextent,learningdifficultiescanfollowthestepbysteppictorialguideinthenotes.

� RESOURCES

• TheprojectwillbebasedsolelyintheDesign&Technologyroomtoallowstudentstobecomefamiliarwiththeworkshop.However, teachers shouldmake frequentreference toexternalmanufacturingandmaterialavailability.

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y20 Chinese PuzzleDesign & Technology