Ihatemaths.
OrdoI…?
Numbercardsgames
MikeAskew
[email protected]
Maths is not
a spectator
sport.
Practice
Games
Once
through the
pack
Oncethroughthepack
•  Agreeonwhat‘therule’isgoingtobe.
•  Shufflethecards.
•  TurnthecardsoveroneataBmeandapply
theruletotheface-upcard.
•  ConBnueunBlyouhaveturnedoverallthe
cardsandappliedtheruletoeachone.
5
Seven up
Sevenup
•  Player1deals,Player2keepsthecardsremoved.
•  Player1dealssevencardsfaceupinarow.
•  Worktogether.Removeallthecardswith10.
Thenremoveanypairofcardsaddto10.
•  Replaceeachcardremoved.
•  Ifyoucannotremoveanymorecards,dealseven
cardsontopofthecardsthatarethere.
7
Sevenup
•  Theroundendswhenyoucannotmake10orall
ofthecardsareusedup.Thescoreforthatround
isthenumberofcardsnotpickedup.
•  Swapover:Player2isdealer,Player1collects
cards.Shufflethecardsbeforedealingarowof7.
•  PlayconBnuesfor5rounds.Thepairwiththe
fewestpointsistheclasschampion.
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In the
zone
Inthezone
Shufflethecards,deal10cardstoeachpair.
Turnoverthetopcardoftheremainingstack.
MulBplythevalueofthecardturnedoverby10.
Trytofindapairofcardswhoseproductisin
that"decade”.Ifyoucandiscardthosecards.
•  TurnthenextcardfaceupandmulBplyby10.
•  Winneristhefirsttodiscardalltheircards
• 
• 
• 
• 
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Target
Target
Players use the same five cards each time.
• 
• 
• 
• 
• 
The largest 3-digit number
The smallest 4-digit number
The largest multiple of 3
The smallest 2-digit even number
The largest 2-digit odd number
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Target
• 
• 
• 
• 
• 
• 
• 
The number closest to 500
The even number closest to 800
The odd number closest to 700
The largest 3 digit multiple of 5
Two cards with the largest sum
Two cards with the smallest difference
Two cards with the largest product
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ReflecBon
•  Howdiditfeel?
•  Whatcouldyouchange?
•  Whatwouldbethebenefitoflearnersplaying
thesegames?
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Strategy
Games
Close to 100
Closeto100
•  Shufflethecards,deal6cardstoeachpair.
•  Eachpairselectsfouroftheircardstocreatetwo
2-digitnumberssumascloseto100
•  Placethemfaceup,arrangingthemsotheother
paircanseethetwonumbers.
•  Thepairwiththesumclosestto100winsapoint.
•  Shuffleandrepeatforfiverounds
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Nice or
Nasty
Niceversion
•  EachplayerwritesHTUonapaperwithspaceto
putonecardundereachle_er.
•  Shufflethecardsandplacethemfacedown.
•  Player1takesthetopcardandcanputitcardin
thehundreds,tens,orunitsplaceontheirpaper.
Theaimistomakethelargest3-digitnumber.
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Niceversion
•  Player2turnsoverthenextcardanddecides
whethertouseitasahundreds,tensorone.
•  PlayersconBnuetotakecardsinturnunBleach
playerhascreateda3-digitnumber.
•  Thewinnerofthatroundistheplayerwiththe
largernumber.
•  PlayconBnuesfor5rounds.
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Nastyversion
•  Thisissimilartothe‘nice’version,buteveryBme
aplayerturnsoveracardtheycanchooseeither
toplayitontheirownboardorontheir
partner’s.
•  Forexample,Player1turnsover‘2’andchooses
toplayintheHundreds(H)posiBonontheir
partner’sboard.
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ReflecBon
• 
• 
• 
• 
• 
Howdiditfeel?
Whatskillsandfluenciesdidyouuse?
Whatstrategiesdidyouuse?
Ifyouplayedagain,whatwouldyoudodifferently?
Howcouldmodifythegame
•  Tomakeitabe_ergame?
•  TodevelopdifferentmathemaBcs?
22
Whygames?
• 
• 
• 
• 
PracBceoffluencyskills
DevelopingstrategicmathemaBcalthinking
Teachercanobserveandassess
Schoolhomelinks.
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Whygames?
•  Mostimportantly,theyarefun!
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