Fractions of an amount
1 AnnieandMoarefindingfractionsofamounts.
a) Annieistryingtofind 15
of45
Shedrawsthisbarmodel.
45
?
Howdoesthebarmodelrepresentthecalculation?
Whatis 15
of45?
b) Moistryingtofind 35
of45
45
?
Howdoesthebarmodelrepresentthecalculation?
Whatis 35of45?
c) WhatisthesameandwhatisdifferentaboutMoand
Annie’squestions?
2 Completethecalculations.
a) 13
of27= b) 13
of72= c) 13
of90=
23
of27= 16
of72= 26
of90=
33
of27= 112
of72= 39
of90=
Whatpatternsdoyounotice?
3 Matchthecalculationstothecorrectamounts.
58
of48 32
23
of48 40
56
of48 30
34
of48 36
©WhiteRoseMaths2019
©WhiteRoseMaths2019
4 Write<,>or=tocomparethecalculations.
a)57of56
58of56 c)
23of63
58of64
b)47of56
58of56 d)
710of350
57of350
5 165childrenandadultsgoonaschooltrip.
Twothirdsofthepeoplearechildren.
a) Howmanyadultsareontheschooltrip?
b) 35
ofthechildrenareboys.
Howmanyboysareontheschooltrip?
c) 710
ofthechildrenhaveanappleforlunch.
Howmanychildrendonothaveanappleforlunch?
6 Ticktheoddoneout.
Explainyourchoice.
7 320peoplewereaskedabouttheirfavouriteflavouroficecream.
Hereisapictogramshowingtheresults.
vanilla
strawberry
chocolate
mintchocchip
a) Howmanypeoplechosemintchocchip?
b) Howmanymorepeoplechosevanillathanchocolate?
34of80
38of160
23of90
34of100
