add 3 or more fractions complete the additions....2021/01/05  · add 3 or more fractions 1 complete...

2
Add 3 or more fractions 1 Complete the additions. Use the bar models to help you. a) 1 2 + 1 4 + 1 12 = b) 1 2 + 1 3 + 1 12 = c) 2 3 + 1 6 + 1 12 = d) 1 3 + 1 4 + 1 6 = 2 Complete the additions. a) 1 5 + 3 10 + 7 20 = d) 3 16 + 1 2 + 1 4 = b) 1 16 + 5 32 + 3 8 = e) 1 2 + 5 18 + 1 9 = c) 1 4 + 5 24 + 5 12 = f) 1 5 + 8 35 + 2 7 = Explain how common multiples help when adding the fractions. 3 Rosie has a vegetable patch. 2 9 of the patch contains carrots. 5 18 of the patch contains potatoes. 1 3 of the patch contains onions. What fraction of the patch contains carrots, potatoes or onions? of the patch contains carrots, potatoes or onions. © White Rose Maths 2019

Upload: others

Post on 06-Feb-2021

4 views

Category:

Documents


0 download

TRANSCRIPT

  • Add 3 or more fractions

    1 Completetheadditions.

    Usethebarmodelstohelpyou.

    a)

    12

    + 14

    + 112

    =

    b)

    12

    + 13

    + 112

    =

    c)

    23

    + 16

    + 112

    =

    d)

    13

    + 14

    + 16

    =

    2 Completetheadditions.

    a) 15

    + 310

    + 720

    = d)3

    16+ 1

    2+ 1

    4=

    b) 1

    16+ 5

    32+ 3

    8= e)

    12

    + 518

    + 19

    =

    c) 14

    + 524

    + 512

    = f)15

    + 835

    + 27

    =

    Explainhowcommonmultipleshelpwhenaddingthefractions.

    3 Rosiehasavegetablepatch.

    29ofthepatchcontainscarrots.

    5

    18ofthepatchcontainspotatoes.

    13ofthepatchcontainsonions.

    Whatfractionofthepatchcontainscarrots,potatoesoronions?

    ofthepatchcontainscarrots,potatoesoronions.

    ©WhiteRoseMaths2019

  • ©WhiteRoseMaths2019

    4 Completethepart-wholemodels.

    a)

    b)

    c)

    d) Whichoneofthepart-wholemodelsistheoddoneout?

    Istheremorethanoneanswer?

    Explainhowyouknow.

    5 Fillinthemissingnumerators.

    a) 18

    +16

    + 38

    =58

    d) 18

    +16

    + 14

    =34

    b) 18

    +16

    + 38

    =78

    e) 18

    + 116

    +16

    =34

    c) 14

    +16

    + 38

    =34

    f) 14

    + 116

    +16

    =34

    6 Completethenumbersquare.

    Thetotalofeachcolumnis45

    Thetotalofeachrowis45

    310

    25

    110

    720

    Createyourownproblemlikethisforapartner.

    14

    38

    516

    12

    18

    516

    34

    18

    116