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Learning Resources Fraction Tower LER 2510 manual

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Table of contents for the manual

  • Page 1

    Snap toget her the Fractio n T ower ® Cube s and he lp your s tude nts unde rsta nd basic fracti on concept s and opera tions . Frac tion T ower ® Cube s enab le stu dents t o rela te abst ract i deas t o concr ete ac tivi ties as t hey can see, t ouch , and co mbine a nd com pare v ariou s piec es! Y o ur fift y-on e piec e set in clud es: one r[...]

  • Page 2

    Equiv alent Fractions Make t wo equi vale nt fra ction s such a s  and  wi th you r frac tion cu bes. Ask st uden ts to ob serve a nd com pare t he heig ht of ea ch fra ction . Make a noth er set o f equiv alen t frac tion s and obse rve th e heigh ts. Ch alle nge st udent s to mak e anot her pa ir of equ iva- lent f ract ions w here th[...]

  • Page 3

    six si xièm es ble u clair , huit hui tièm es bleu f oncé , dix di xième s mauv es, douz e douz ièmes n oirs , un mod e d’emp loi. A C TIVITÉS Fr actions de l’unité Mont rez le p etit c ube rou ge à vos é lève s. Le ch if fre 1 y e st insc rit. Puis que le p etit c ube rou ge est é gal à un e unit é entiè re, le s autr es cub es s[...]

  • Page 4

    Expr essions fr actionnaires et nombr es fr actionnair es Les él èves p euve nt fair e des ex pres sion s fract ionn aire s tell es que  et  en uti lisa nt deu x ou plus ieur s jeux d e cubes . Mett ez les é lève s au déf i de fai re des e xpre ssion s frac tion nair es à l’ai de des f ract ions r éelle s et de l’un ité. E n[...]

  • Page 5

    Begr if fe wie T eil, Ganz es, Ne nner , Zähler , gleich gr oße T eile und Stam mbru ch in Ihr e Disk ussi on, mit e in. Echt e Brüche Zeig en Sie d en Schü lern w ie man e chte B rüche a us gle ichf arbig en Quad ern baut. V eransch auli chen Sie, daß  aus einem g elbe n Quad er best eht,  b este hen aus z wei ge lben Qu ader n u[...]

  • Page 6

    eine Ungl eichu ng schrift lich aufz uste llen, um das V erhäl tnis zwisc hen den Brüc hen zu d emons trie ren (   >  ). Die se Übun g kann a bgew andel t werd en, in dem Si e einen S tamm bruc hqua der zei gen un d dann d ie Sch üler auf forder n eine n ande ren Sta mmbr uchq uader zu fin den der k ürze r oder läng er ist . Bi[...]

  • Page 7

    Simplificar fr acciones: Simp lifi car fr accio nes re duci éndo las a lo s térmi nos má s pequ eños busc ando l as fra ccion es equ ival ente s. La fr acció n equi vale nte qu e utili ce el men or núm ero de cu bos de l mism o colo r es la más r educ ida. C onstr uya una fr acci ón con c uatro c ubos a zule s. Pre gunte a l os est udia nte[...]

  • Page 8

    A TTIVIT À Fr azioni unitarie il blo cche tto ros so equ ival e ad una un ità in tera. M ette re a con front o il bloc chet to ros a con il bl occh etto r osso . Ci vogl iono d ue blo cchet ti ros a per ug uagl iare l ’alte zza de l bloc chet to ross o. I blo cche tti ro sa hann o perc iò il va lore d i un mezz o, com e indi cato. Dimo strar e[...]

  • Page 9

    prop rie. I n prat ica, co stru isco no una f razio ne imp ropr ia da un n umero mist o. Per e semp io,  si pu ò cost ruire u tili zzan do sett e bloc chet ti gial li o un blo cche tto ro sso e tre b locc hett i gial li. Svo lger e l’at tivi tà al cont rari o, ini ziand o con un a fraz ione i mprop ria e tr asfo rman dola in un num ero mi[...]

  • Page 10

    Gelijkw aardige br euken Maak t wee ge lijkw aard ige br euken z oals  en  met d e breu kkubu ssen . V raag st udent en om go ed te ki jken e n de hoog te van i eder e breu k te ver gelijk en. Da ag de stu dent en uit om e en twe etal g elijk waar dige breu ken te m aken wa arbi j de hoo gten n iet aan e lkaa r geli jk zij n (dit is nie[...]

  • Page 11

    O seu co njun to de ci nquen ta e uma p eças i nclui : um int eiro v erme lho, dois m eios c or -de-ros a, trê s terç os cor de l aran ja, qu atro q uarto s amar elos , cinc o quin tos ve rdes, s eis se xtos a zul- turqu esa, o ito oi tavo s azuis , dez déci mos ro xos e doz e duod écimo s pret os. A C TIVID ADES Fr acções da Unidade O cubo [...]

  • Page 12

    Also available from Learning Resources ® : LER 2086 Blank Fraction T ower ® Cubes LER 251 1 Decimal T ower ® Cubes LER 2512 Percent T ower ® Cubes Fr acções Impróprias e Númer os Mist os Com dois ou mais conju ntos de cubo s Fra ction T ower ® Cube s os alu nos pode m cons truir f racç ões im própr ias co mo  e  . Peças a o[...]