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89F BĂłthar an LagĂĄin, EastĂĄt TionsclaĂoch Bhaile Ătha Cliath, Ghlas NaĂon, Baile Ătha Cliath 11
FĂłn: 01 8081494
Facs: 01 8362739
RĂomhphost: info@4schools.ie
© 2026
ISBN 978-1-918341-02-7
Gach ceart ar cosaint. TĂĄ cosc ar aon chuid den fhoilseachĂĄn seo a atĂĄirgeadh nĂł a tharchur, ar chuma ar bith nĂł trĂ mheĂĄn ar bith, pĂ© acu trĂ mheĂĄn leictreonach nĂł meicniĂșil nĂł fĂłtachĂłipeĂĄla nĂł trĂ mheĂĄn ar bith eile, gan cead an fhoilsitheora a fhĂĄil roimh rĂ©.
TĂĄ an leabhar seo bunaithe ar an gcuraclam mata le haghaidh Rang a SĂ©. Is dul siar ar na coinceapanna agus oibrĂochtaĂ a rinneadh i Rang a CĂșig iad na trialacha 1-12. Ina dhiaidh sin, tagann coinceapanna nua isteach sna ceisteanna agus Ă©irĂonn siad nĂos casta de rĂ©ir mar a oireann don aoisghrĂșpa.
TĂĄ 15 cheist i ngach triail anois in ionad 10 gceist mar a bhĂ do Ranganna 1 go 4. Is fi Ăș a iarraidh ar na daltaĂ lĂne a chur faoi na focail thĂĄbhachtacha sna ceisteanna mar atĂĄ dĂ©anta i dTriail 1.
TĂĄ meascĂĄn topaicĂ i ngach triail sa chaoi is go dtĂ©ann an pĂĄiste i dtaithĂ ar lĂ©imt Ăł choincheap amhĂĄin go coinceap eile. m.sh. I dtriail 29 tĂĄ meĂĄchan, cruth 3-T, fadhb, an t-ord matamaitice, uimhreas, codĂĄin, deachĂșlacha, cruth 2-T agus cĂłimheas ann.
DĂ©antar dul siar rialta ar na bunfhiricĂ trĂd an leabhar ar fad.
Ag bun gach trialach marcĂĄlfaidh an mĂșinteoir an scĂłr a fuair an dalta sa triail sin. Ar chĂșl an leabhair tĂĄ TĂĄbla TorthaĂ inar fĂ©idir leis an dalta fĂ©in scĂłir a t(h)rialacha a thaifeadadh. Ar an gcaoi, seo beidh dul chun cinn an dalta le feiceĂĄil go soilĂ©ir.
Tå deich gcód QR sa leabhar anois. Is féidir iad seo a dhéanamh ar i-padanna nó ar ghuthåin chliste.
TĂĄ siad spraĂĂșil agus bunaithe ar an gcuraclam ag an am cĂ©anna.
TĂĄ gluais bheag ag cĂșl an leabhair seo chun cabhair a thabhairt do thuismitheoirĂ na ceisteanna a thuiscint.


1/4 =
/16 9 CĂ© mhĂ©ad aghaidh atĂĄ ar chĂłn? ââââ
10 Rith Nuala 550 m, shiĂșil sĂ 1 km agus dâimigh sĂ 2 .5 km ar a rothar. CĂĄ fhad a thaisteal sĂ san iomlĂĄn?
ScrĂobh 27/36 san fhoirm is simplĂ. ââ / ââ
12 CĂ©n luach atĂĄ ag an digit 8 san uimhir 84,392? (ScrĂobh an freagra i bhfocail.)
13 Cuir in ord ag tosĂș leis an gcodĂĄn is mĂł: 4/5, 10/10, 1/2, 1/5, 3/10.
dâfhachtĂłirĂ
1 2/3 Ă 2 = âââ ââ / ââ
2 CĂ©n t-iolraĂ coiteann is lĂș (I.C.L.) atĂĄ ag 7 agus 4? âââââ
3 105 mm = ââ cm âââ mm
4 FĂor nĂł brĂ©agach? 1/4 de 64 = 14 ââââââ
5 ( 7 + 4 ) Ă ( 3 Ă 3 ) = âââââ
6 7 km 380 m + 10 km 190 m
7 Taispeåin seachtdéag nóiméad chun a naoi ar chlog digiteach. :
8 1/8 = ââ /16
9 Ainmnigh an cruth seo: âââââââââ
10 Chaith Marcus 38 nĂłimĂ©ad ar a obair bhaile, 23 nĂłimĂ©ad ag ithe agus 1 uair 25 nĂłimĂ©ad ag fĂ©achaint ar an teilifĂs. CĂ© mhĂ©ad ama Ă© sin ar fad? âââââââââââââââââ
11 CĂ©n riail a bhaineann leis an bpatrĂșn seo? 104, 110, 116, 122, 128, 134 ... ââââââ
12 8/9 â 2/3 = ââ / ââ
13 An ré-uimhir à 38?
14 MĂĄ chaitear bonn san aer cĂ©n seans go dtitfidh sĂ© ar an gcruit? âââ as âââ
15 Faigh 3/8 de 3,288. âââââ
1 AthscrĂobh 17/6 mar uimhir mheasctha. âââ ââ / ââ
2 23 .8 Ă 14 ââââââ
3 LaghdaĂodh praghasanna faoi 20% i sladmhargadh. CĂ©n praghas nua a cuireadh ar gheansaĂ âŹ55? ââââââââââââ
4 AthscrĂobh 2 4/5 mar leaschodĂĄn. ââ / ââ
5 CĂ© acu an uimhir phrĂomha? 24, 15, 6 nĂł 17 ââ
6 An bhfuil 13:45 ar maidin nĂł um thrĂĄthnĂłna?
7 â 4 + 3 = ââââ
8 CĂ© acu is fearr luach? 4 phiorra ar âŹ2.00 nĂł 6 phiorra ar âŹ3.20. ââââââââââ
9 3/4 = ââ /16
10 FĂor nĂł brĂ©agach? 20% = 1/5 ââââââââ
11 TaispeĂĄin ceithre nĂłimĂ©ad dĂ©ag chun a naoi ar maidin, ar chlog digiteach 24 uair. âââ : âââ
12 An uimhir phrĂomha Ă 1 ? âââââââââââ
13 1/9 Ă 8 = ââ / ââ
14 Cén sórt uillinne à seo?
15 uair nóiméad 3 27 + 1 4 2
10 Chaill RĂłisĂn 1/4 dĂĄ hairgead. MĂĄ chaill sĂ âŹ2.54, cĂ© mhĂ©ad airgid a bhĂ aici ag an tĂșs?
ââââ ââ / ââ
3 CĂ© mhĂ©ad slios atĂĄ ar dheacagĂĄn? âââââ
4 MĂĄ chaitheann tĂș dĂsle, cĂ©n seans atĂĄ ann go bhfaighfeĂĄ 6? âââ as âââ
5 Cuir in ord ag tosĂș leis an mĂ©id is mĂł:
2.3 kg, 899 g, 5 kg, 2 1/2 kg, 739 g.
6 ScrĂobh liosta dâfhachtĂłirĂ 20.
ââââââââââ
7 Faigh achar pĂĄirce atĂĄ 73 m faoi 49 m.
ââââââ
8 Thuill PĂĄdraig âŹ92.75 as obair 7 n-uair an chloig. CĂ©n rĂĄta pĂĄ san uair a bhĂ aige? âââââââ
9 2/5 = ââ /10
10 Slånaigh 59,471 don chéad is gaire.
ââââââââ
11 Faigh an costas iomlĂĄn chun cairpĂ©ad a chur ar urlĂĄr seomra 5 m faoi 3 m mĂĄ chosnaĂonn an cairpĂ©ad âŹ63/m2
âââââââââââ
12 Aimsigh imlĂne ochtagĂĄin rialta le sleasa 6 cm.
ââââââââââââââ
13 CĂ©n t-ainm atĂĄ ar uillinn atĂĄ nĂos lĂș nĂĄ dronuillinn?
ââââââââââââââ
14 AthscrĂobh 7/10 mar dheachĂșil.
ââââââââââââ
15 2/5 dâuimhir ĂĄirithe is ea 148. Faigh an uimhir.
ââââââââââ
1 TĂĄ imlĂne ciorcail ââââ huaire nĂos faide nĂĄ an trastomhas. (SlĂĄnaigh an freagra don tslĂĄnuimhir is gaire.)
2 Faigh meĂĄn na n-uimhreacha seo: 90, 105, 5, 75, 20. âââââââââââ
3 1,001 cm = ââ m ââââ cm
4 CĂ©n t-iolraĂ coiteann is lĂș atĂĄ ag 5 agus 10? âââââââââ
5 â 3 â 2 = ââââ
6 AthscrĂobh 1 9/10 mar leaschodĂĄn. ââ / ââ
7 TaispeĂĄin an t-am seo ar chlog digiteach.
: âââ
8 CĂ©n luach atĂĄ ag an digit 3 san uimhir 737,491? (ScrĂobh an freagra i bhfocail.)
ââââââââââââââââ
9 5/6 Ă 4 = âââ ââ / ââ
10 uair nóiméad
7 1 6 Ă 4
ââââââââ
11 3/7 = ââ /14
12 Cén sórt uillinne à seo?
13 3 kg 176 g Ă· 4 = âââ 14 AthscrĂobh 17/8 mar uimhir mheasctha.
/ ââ
15 Aimsigh imlĂne an chrutha seo:
ââââââââââââ
1 FĂor nĂł brĂ©agach? 08.30 = leathuair tar Ă©is a hocht um thrĂĄthnĂłna.
ââââââââââââââ
2 ( 103 + 29 ) â ( 121 Ă· 11 ) = âââ
3 AthscrĂobh 17/100 mar dheachĂșil. ââââ
4 1 uair 10 nĂłimĂ©d x 6 = âââââ
5 CĂ© mhĂ©ad gloine 75 ml is fĂ©idir a lĂonadh as buidĂ©al 3 L? ââââââ
6 1,001 â 396 = âââââ
7 CoinnĂonn crĂșiscĂn amhĂĄin 500 ml agus crĂșiscĂn eile 1 œ L. CoinnĂonn buidĂ©al 1.75 L. Faigh toilleadh iomlĂĄn na dtrĂ umar. ââââââ
8 ScrĂobh 20/50 san fhoirm is simplĂ. ââ / ââ
9 CĂ© acu an uimhir ilchodach? 2, 3, 4 nĂł 5 ââââ
10 CĂ© mhĂ©ad mm atĂĄ in 1 m? âââââââ
11 De ghnĂĄth, bĂonn 750 g i mbosca grĂĄnaigh. MĂĄ thugtar 20% saor sa bhreis leis, cĂ© mhĂ©ad g a bheidh sa bhosca?
12 3 1/2 + 5/8 = ââ ââ / ââ
13 CĂ© mhĂ©ad dronuillinn atĂĄ i bpeinteagĂĄn? ââââ
14 â 7 + 3 = ââ
15 FĂor nĂł brĂ©agach? 101 â ( 4 Ă 3 ) = 89
RĂ©-uimhir = uimhir a chrĂochnaĂonn ar 0, 2, 4, 6, 8
Corruimhir = uimhir a chrĂochnaĂonn ar 1, 3, 5, 7, 9
Toradh â Nuair a iolraĂtear dhĂĄ uimhir faoi a chĂ©ile, faightear toradh
3 Ă 5 = 15 toradh
Uimhir phrĂomha = uimhir go bhfuil pĂ©ire amhĂĄin fachtĂłirĂ aici â Ă fĂ©in agus a haon m.sh.
5 = fachtĂłirĂ = 1, 5 11 = fachtĂłirĂ = 1, 11
Uimhir chearnach = nuair a iolraĂtear uimhir fĂșithi fĂ©in is uimhir chearnach Ă an freagra.
2 x 2 = 4 ; 6 x 6 = 36
Fachtóir = uimhir a théann isteach in uimhir eile go slån m.sh. Tå 6 fhachtóir ag 12 ; 1, 2, 3, 4, 6, 12
Uimhir ilchodach = uimhir le nĂos mĂł nĂĄ pĂ©ire amhĂĄin dâfhachtĂłirĂ m.sh.
4 = 1 Ă 4, 2 Ă 2
30 = 1 Ă 30, 2 Ă 15, 3 Ă 10, 5 Ă 6
An tIolraĂ Coiteann is LĂș (I.C.L)
Iolraithe a 3 = 3, 6, 9, 12 , 15, 18, 21, 24
Iolraithe a 4 = 4, 8, 12 , 16, 20, 24, 28, 32
Na hiolraithe coiteann = 12 agus 24; an ceann is lĂș = 12
An FachtĂłir Coiteann is Airde (F.C.A.)
FachtĂłirĂ a 12 = 1, 2 , 3, 4, 6, 12
FachtĂłirĂ a 8 = 1, 2 , 4, 8
Na fachtĂłirĂ coitinne = 1, 2 agus 4
An fachtĂłĂr coiteann is airde = 4
Uimhir mheasctha = slĂĄnuimhir agus
codån le chéile m.sh.
1 â , 2 ÂŒ , 7 â
Dronuillinn = 90° Géaruillinn = < 90°
Maoluillinn = > 90° ach < 180°
Uillinn dhĂreach = 180°
Uillinn athfhillteach = > 180° ach < 360°
RothlĂș iomlĂĄn = 360°
Dronuilleach Comhchosach
Scåiléanach Comhshleasach
LĂnte
LĂne cheartingearach
LĂne chothromĂĄnach
LĂne fhiarthrasna
LĂnte comhthreomhara
LĂnte ingearacha
Rombas ComhthreomharĂĄn
Traipéisiam Traipéasóideach
CiĂșb Faobhar Aghaidh Rinn
CiĂșbĂłideach SfĂ©ar
SorcĂłir CĂłn
Pirimid Teitrihéadrån
Priosma triantånach Ochtaihéadrån
PeinteagĂĄn HeicseagĂĄn
HeipteagĂĄn OchtagĂĄn
NaonagĂĄn DeacagĂĄn
Ciorcal
ImlĂne Trastomhas Corda Ga LĂĄr
FoclĂłir An tOrd Matamaitice
1. LĂșibĂnĂ 4. Roinnt 2. De 5. SuimiĂș 3. IolrĂș 6. DealĂș
FoclĂłir
Sladmhargadh Sale Lascaine Discount
BrabĂșs Profit Caillteanas Loss
SĂ©isĂn Tip
CodĂĄn Fraction
DeachĂșl Decimal
Achar Area
ImlĂne Perimeter
I ndiaidh triail a cheartĂș, marcĂĄlfaidh an mĂșinteoir nĂł an dalta ag bun na trialach an scĂłr a fuair an dalta. Ba cheart don dalta ansin an scĂłr a mharcĂĄil ar cheann de na mblocghraif thĂos agus an dĂĄta a thaifeadadh.


