Ratio and fractions - White Rose Maths · 2020-04-28 · Ratio and fractions 1 Here are some...
Transcript of Ratio and fractions - White Rose Maths · 2020-04-28 · Ratio and fractions 1 Here are some...
![Page 1: Ratio and fractions - White Rose Maths · 2020-04-28 · Ratio and fractions 1 Here are some counters. Complete the sentences to describe the counters. a) There are counters altogether.](https://reader034.fdocuments.us/reader034/viewer/2022042417/5f338ca1f54d0813684f1911/html5/thumbnails/1.jpg)
Ratio and fractions
1 Herearesomecounters.
Completethesentencestodescribethecounters.
a) Thereare countersaltogether.
b) Thereare whitecounters.
c) Thereare blackcounters.
d) 3outofthe8countersare
e) outofthe8countersarewhite.
2 Herearesomeanimals.
Completethesentences.
Forevery cowsthereare sheep.
Theratioofcowstosheepis to
oftheanimalsarecows.
oftheanimalsaresheep.
3 Partofthebarhasbeenshaded.
a) Whatfractionofthebarisshaded?
b) Whatfractionofthebarisnotshaded?
c) Writetheratioofshadedtonon-shadedparts. to
d) Writetheratioofnon-shadedtoshadedparts. to
4 Herearesomeshapes.
a) Whatfractionoftheshapesarecircles?
b) Whatfractionoftheshapesarestars?
c) Whatistheratioofstarstocircles? to
d) Whatistheratioofcirclestostars? to
Canyoufindadifferentanswertoeachofthesequestions?
Comparewithapartner.
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![Page 2: Ratio and fractions - White Rose Maths · 2020-04-28 · Ratio and fractions 1 Here are some counters. Complete the sentences to describe the counters. a) There are counters altogether.](https://reader034.fdocuments.us/reader034/viewer/2022042417/5f338ca1f54d0813684f1911/html5/thumbnails/2.jpg)
5 Thebarmodelshowstheratio1to3to4
Talktoapartnerabouthowitshowsthis.
a) Whatfractionofthebarisstriped?
b) Whatfractionofthebarisfullyshaded?
c) Whatfractionofthebarisblank?
6
Whoiscorrect?
Explainyouranswer.
©WhiteRoseMaths2019
7 Scottdrawsabaranddividesitinto8equalparts.
Heshades25%ofthebar.
Whatistheratioofshadedtonon-shadedparts? to
8 Apencilcasecontainsfelttipsandpencils.
38 ofthecontentsarepencils.
Whatistheratiooffelttipstopencils? to
9 Ronhassomelimesandstrawberries.
Theratioofstrawberriestolimesis5to1
a) Howdoyouknowhehasmorestrawberriesthanlimes?
b) Whatfractionofthefruitsarestrawberries?
c) Whatfractionofthefruitsarelimes?
The fraction of brown cubes
is 23 because the ratio of
brown to yellow is 2 to 3
The fraction of
brown cubes is 25
Jack Rosie