divide 3-digits by 1-digit · 2021. 1. 12. · 1 jack is working out 844 ÷ 4 using a place value...

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1 Jack is working out 844 ÷ 4 using a place value chart. H T O 100 100 10 1 100 100 10 1 100 100 10 1 100 100 10 1 a) Talk about Jack’s method with a partner. b) Complete the division. 844 ÷ 4 = 2 Use Jack’s method to work out these divisions. a) 525 ÷ 5 = c) 840 ÷ 8 = b) 636 ÷ 6 = d) 903 ÷ 3 = Divide 3-digits by 1-digit 3 Eva is working out 844 ÷ 4 using a part-whole model. Complete Eva’s method. 844 ÷ 4 = 4 A ball of string is 848 cm long. It is cut into 4 equal pieces. What is the length of one piece of string? 5 Whitney is using ﬂexible partitioning to divide a 3-digit number. Could Whitney have partitioned her number another way? © White Rose Maths 2019 844 800 40 4 ÷ 4 ÷ 4 ÷ 4 4 10 200 856 800 40 16 ÷ 4 ÷ 4 ÷ 4

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Page 1: Divide 3-digits by 1-digit · 2021. 1. 12. · 1 Jack is working out 844 ÷ 4 using a place value chart. H T O 100 100 10 1 100 100 10 1 100 100 10 1 100 100 10 1 a) Talk about Jack’s

1 Jackisworkingout844÷4usingaplacevaluechart.

H T O

100

100 10 1

100

100 10 1

100

100 10 1

100

100 10 1

a) TalkaboutJack’smethodwithapartner.

b) Completethedivision.

844÷4=

2 UseJack’smethodtoworkoutthesedivisions.

a) 525÷5= c) 840÷8=

b) 636÷6= d) 903÷3=

Divide 3-digits by 1-digit 3 Evaisworkingout844÷4usingapart-wholemodel.

CompleteEva’smethod. 844÷4=

4 Aballofstringis848cmlong.

Itiscutinto4equalpieces.

Whatisthelengthofonepieceofstring?

5 Whitneyisusingflexiblepartitioningtodividea3-digitnumber.

CouldWhitneyhavepartitionedhernumberanotherway?

©WhiteRoseMaths2019

844

800 40 4

÷ 4 ÷ 4 ÷ 4

410200

856

800 40 16

÷ 4 ÷ 4 ÷ 4

Page 2: Divide 3-digits by 1-digit · 2021. 1. 12. · 1 Jack is working out 844 ÷ 4 using a place value chart. H T O 100 100 10 1 100 100 10 1 100 100 10 1 100 100 10 1 a) Talk about Jack’s

8 Evahasapieceofribbon.

Theribbonmeasures839cmlong.

Howmuchribbonwouldbeleftoverifshecutsitinto:

a) 4equalpieces

b) 6equalpieces

c) 8equalpieces

CanEvacuttheribbonintoequalpieces

withnoribbonleftover?

Explainyouranswer.

9 Use15countersandaplacevaluechart.

a) Canyoumakeanumberthatisdivisibleby3?

b) Canyoumakeanumberthathasaremainder

of1whendividedby3?

c) Canyoumakeanumberthathasaremainder

of2whendividedby3?

Whatdoyounotice?Talkaboutyourfindingswithapartner.

UseWhitney’smethodtoworkoutthesedivisions.

a) 585÷5= c) 648÷4=

b) 672÷6= d) 847÷7=

6 Completethepart-wholemodelsanddivisions.

168÷4= 169÷4=

Whatisthesameandwhatisdifferentaboutthecalculations?

Talkaboutitwithapartner.

7 Completethedivisions.

a) 258÷6= c) 864÷4=

b) 623÷5= d) 824÷3=©WhiteRoseMaths2019

168

100 60 8

÷4 ÷4 ÷4

169

100 60 9

÷4 ÷4 ÷4

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