Square numbers 3 4 10 18 25 a) 4 - White Rose Maths...0 3 4 11 49 Factor of 24 Not a factor of 24...

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Square numbers 1 a) Use 16 counters to make these arrays. b) What do you notice about the shape of one of the arrays? c) Is 16 a square number? How do you know? 2 a) Is it possible to make a square array with 8 counters? b) Is it possible to make a square array with 9 counters? c) Which number is a square number? How do you know? 3 Which of these numbers are square numbers? Circle your answers. 4 10 18 25 4 Dexter makes a square using 12 counters. What mistake has Dexter made? 5 Whitney is working out a calculation. What mistake has Whitney made? © White Rose Maths 2019 8 × 8 = 16 12 is a square number as I can make the counters into a square.

Transcript of Square numbers 3 4 10 18 25 a) 4 - White Rose Maths...0 3 4 11 49 Factor of 24 Not a factor of 24...

  • Square numbers

    1 a) Use16counterstomakethesearrays.

    b) Whatdoyounoticeabouttheshapeofoneofthearrays?

    c) Is16asquarenumber?Howdoyouknow?

    2 a) Isitpossibletomakeasquarearraywith8counters?

    b) Isitpossibletomakeasquarearraywith9counters?

    c) Whichnumberisasquarenumber?

    Howdoyouknow?

    3 Whichofthesenumbersaresquarenumbers?

    Circleyouranswers.

    4 10 18 25

    4 Dextermakesasquareusing12counters.

    WhatmistakehasDextermade?

    5 Whitneyisworkingoutacalculation.

    WhatmistakehasWhitneymade?

    ©WhiteRoseMaths2019

    8 × 8 = 16

    12 is a square number as I

    can make the counters into a square.

  • ©WhiteRoseMaths2019

    6 Thearraysbelowshowasequence.

    a) Completethenumbersentences.Usethearraystohelpyou.

    1×1= 2×2= 3× = × =

    b) Whatdothesenumbershaveincommon?

    c) Drawthenexttwonumbersinthesequenceandwriteanumber

    sentenceforeach.

    d) Whatwouldthenextfournumbersinthesequencebe?

    , , ,

    7 Completethestatements.

    a) 62= d) 02=

    b) 122= e) 2=100

    c) =92 f) 64= 2

    8 a) Writethenumbersinthetable.

    0 3 4 11 49

    Factorof24 Notafactorof24

    Squarenumber

    Primenumber

    b) Writeadifferentnumberineachpartofthetable.

    9 Daniisthinkingofasquarenumberwith2digits.

    Thedigitsaddtogethertomakeanothersquarenumber.

    Whatcouldthenumberbe?

    10 Huaniscelebratinghisbirthday.

    Hisageisasquarenumber.

    Lastyearhewasamultipleof12

    Nextyearhewillbeamultipleof10

    HowoldisHuan?


Hiective...Hiective Classify and use real numbers. positive number negative number natural number whole number integer rational number square root principal square root perfect square

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