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Find a rule – two step 1 Use the function machine to complete the table. +2 ×5 input output Input 1 2 3 5 10 50 Output 2 Here is the same function machine with the steps in the reverse order. ×5 +2 input output Explain to a partner who you think is correct. Use the function machine to complete the table. Input 1 2 3 5 10 50 Output Who is correct? 3 Work out the missing outputs and inputs. a) 1 ×5 +4 input output 5 8 39 b) 3 ×5 –4 input output 4 20 51 c) 13 –3 ÷2 input output 3 12 8 © White Rose Maths 2019 The outputs will be the same. The outputs will be different. Teddy Jack

Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

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Page 1: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Find a rule – two step

1 Usethefunctionmachinetocompletethetable.

+2×5

input output

Input 1 2 3 5 10 50

Output

2 Hereisthesamefunctionmachinewiththestepsinthe

reverseorder.

×5+2

input output

Explaintoapartnerwhoyouthinkiscorrect.

Usethefunctionmachinetocompletethetable.

Input 1 2 3 5 10 50

Output

Whoiscorrect?

3 Workoutthemissingoutputsandinputs.

a)

1

×5 +4

input output

5

8

39

b)

3

×5 –4

input output

4

20

51

c)

13

–3 ÷2

input output

3

12

8

©WhiteRoseMaths2019

The outputs will be the same.

The outputs will be different.

Teddy

Jack

Page 2: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

4 Tickthepairsoffunctionmachinesthatwillgivethesameoutputs

foragiveninput.

a)

+4+3

input output

+3+4

input output

b)

–1×3

input output

×3–1

input output

c)

×2×10

input output

×10×2

input output

Explainyourreasoningtoapartner.

5 Herearesome2-stepfunctionmachines.

Foreachmachine,writeasinglestepthatwouldgivethe

sameoutput.

Checkyouranswersbyinputtingvalues.

a)

×2×5

input output

b)

–2+12

input output

©WhiteRoseMaths2019

c)

÷2×8

input output

Canall2-stepfunctionmachinesbewrittenasa1-step

functionmachine?

Talkaboutitwithapartner.

6 Hereisafunctionmachine.

×4–3

input output

a) Completethetable.

Input 10 3

Output 40 280

b) Rosieputsanumberintothemachineandshegetsoutthe

samenumber.

WorkoutRosie’snumber.

7 MrHallandMrsRoseordersome

photosonline.

a) MrHallorders16photos.

Howmuchdoeshepay?

b) MrsRosepays£6.05

Howmanyphotosdidsheorder?

Order photos online

Photos 20p each

Delivery £1.25

Page 3: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Find a rule – two step

1 Usethefunctionmachinetocompletethetable.

+2×5

input output

Input 1 2 3 5 10 50

Output

2 Hereisthesamefunctionmachinewiththestepsinthe

reverseorder.

×5+2

input output

Explaintoapartnerwhoyouthinkiscorrect.

Usethefunctionmachinetocompletethetable.

Input 1 2 3 5 10 50

Output

Whoiscorrect?

3 Workoutthemissingoutputsandinputs.

a)

1

×5 +4

input output

5

8

39

b)

3

×5 –4

input output

4

20

51

c)

13

–3 ÷2

input output

3

12

8

©WhiteRoseMaths2019

The outputs will be the same.

The outputs will be different.

Teddy

Jack

Page 4: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

4 Tickthepairsoffunctionmachinesthatwillgivethesameoutputs

foragiveninput.

a)

+4+3

input output

+3+4

input output

b)

–1×3

input output

×3–1

input output

c)

×2×10

input output

×10×2

input output

Explainyourreasoningtoapartner.

5 Herearesome2-stepfunctionmachines.

Foreachmachine,writeasinglestepthatwouldgivethe

sameoutput.

Checkyouranswersbyinputtingvalues.

a)

×2×5

input output

b)

–2+12

input output

©WhiteRoseMaths2019

c)

÷2×8

input output

Canall2-stepfunctionmachinesbewrittenasa1-step

functionmachine?

Talkaboutitwithapartner.

6 Hereisafunctionmachine.

×4–3

input output

a) Completethetable.

Input 10 3

Output 40 280

b) Rosieputsanumberintothemachineandshegetsoutthe

samenumber.

WorkoutRosie’snumber.

7 MrHallandMrsRoseordersome

photosonline.

a) MrHallorders16photos.

Howmuchdoeshepay?

b) MrsRosepays£6.05

Howmanyphotosdidsheorder?

Order photos online

Photos 20p each

Delivery £1.25

Page 5: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Forming expressions

1 Tommyusesmultilinkcubestorepresentanunknownnumberand

basetenonestorepresent1

=x =1

Writealgebraicexpressionstodescribethesetsofcubes.

Thefirstonehasbeendoneforyou.

a)

b)

c)

d)

e)

f)

g)

h)

2 UseTommy’smethodtorepresenttheseexpressions.

a) x+2 c) 3x+1

b) 2x d) x+6

Compareanswerswithapartner.

3 Usecubestohelpyousimplifythefollowingexpressions.

Thefirstonehasbeendoneforyou.

a) 2y+5+y

b) 3a+2+a+a

c) 6p+2–2p

d) m+4+3m–3

4 Completethefunctionmachines.

a)

2 6

input output

7 11

y

b)

2 4

input output

5 10

y

©WhiteRoseMaths2019

2x + 3

3y + 5

Page 6: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

c)

6 3

input output

12 9

y

d)

30 3

input output

50 5

y

5 Matcheachstatementtotheequivalentalgebraicexpression.

Writethemissingstatements.

5morethany 2y

ylessthan5 y–5

ymultipliedby5 5–y

ydividedby5 y+5

doubley 5y

y2

y5

©WhiteRoseMaths2019

6 Writeanalgebraicexpressiontorepresenttheperimeterof

eachshape.

a) d)

b) e)

c)

7 Completethebarmodels.

a)

a a

c)c

b)

b b 10

d)d+5

5

a a

a

a

b

b

x

x

y y

x

x

Page 7: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Forming expressions

1 Tommyusesmultilinkcubestorepresentanunknownnumberand

basetenonestorepresent1

=x =1

Writealgebraicexpressionstodescribethesetsofcubes.

Thefirstonehasbeendoneforyou.

a)

b)

c)

d)

e)

f)

g)

h)

2 UseTommy’smethodtorepresenttheseexpressions.

a) x+2 c) 3x+1

b) 2x d) x+6

Compareanswerswithapartner.

3 Usecubestohelpyousimplifythefollowingexpressions.

Thefirstonehasbeendoneforyou.

a) 2y+5+y

b) 3a+2+a+a

c) 6p+2–2p

d) m+4+3m–3

4 Completethefunctionmachines.

a)

2 6

input output

7 11

y

b)

2 4

input output

5 10

y

©WhiteRoseMaths2019

2x + 3

3y + 5

Page 8: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

c)

6 3

input output

12 9

y

d)

30 3

input output

50 5

y

5 Matcheachstatementtotheequivalentalgebraicexpression.

Writethemissingstatements.

5morethany 2y

ylessthan5 y–5

ymultipliedby5 5–y

ydividedby5 y+5

doubley 5y

y2

y5

©WhiteRoseMaths2019

6 Writeanalgebraicexpressiontorepresenttheperimeterof

eachshape.

a) d)

b) e)

c)

7 Completethebarmodels.

a)

a a

c)c

b)

b b 10

d)d+5

5

a a

a

a

b

b

x

x

y y

x

x

Page 9: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Substitution

1 =4 =5

Usethegivenfactstoworkoutthecalculations.

a) + +

b) + –

c) + + + +

2 =12 =5

Usethegivenfactstoworkoutthecalculations.

a) –

b) ×

c) Createyourowncalculationthatwillbeequalto22

3 Ifx=5,writethevaluesoftheexpressionsinthecorrespondinggrid.

Thefirstonehasbeendoneforyou.

3x x2 2x –5

4x +2x2

2(x +1)

7x x +9 x –7

15

4 Ifa=10andb=6,workoutthevaluesoftheexpressions.

a) a+b= d) 2a+b=

b) a–b= e) 3a–17=

c) 2a= f) 2(a–b)=

5 Ifm= 45

andk=0.1,workoutthevalueofm+2k

©WhiteRoseMaths2019

Page 10: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

6

DoyouagreewithMo?

Explainyouranswer.

7 m=7n=5

Write>,<or=tocomparetheexpressions.

a) 2m 10

b) n–1 5

c) 2n+m 2m+n

d) 7n 5m

©WhiteRoseMaths2019

8 a=10

Writetheexpressionsinorder,startingwiththesmallestvalue.

5a a+5a5 a2

9 a=15

Writethreedifferentalgebraicexpressionsthatgiveavalueof40

10 Completethetable.

x 5x 5x–1

2

10

12

25

34

99

Mo

It does not matter what p and q are, p + q and

q + p will always give the same answer.

Page 11: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Substitution

1 =4 =5

Usethegivenfactstoworkoutthecalculations.

a) + +

b) + –

c) + + + +

2 =12 =5

Usethegivenfactstoworkoutthecalculations.

a) –

b) ×

c) Createyourowncalculationthatwillbeequalto22

3 Ifx=5,writethevaluesoftheexpressionsinthecorrespondinggrid.

Thefirstonehasbeendoneforyou.

3x x2 2x –5

4x +2x2

2(x +1)

7x x +9 x –7

15

4 Ifa=10andb=6,workoutthevaluesoftheexpressions.

a) a+b= d) 2a+b=

b) a–b= e) 3a–17=

c) 2a= f) 2(a–b)=

5 Ifm= 45

andk=0.1,workoutthevalueofm+2k

©WhiteRoseMaths2019

Page 12: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

6

DoyouagreewithMo?

Explainyouranswer.

7 m=7n=5

Write>,<or=tocomparetheexpressions.

a) 2m 10

b) n–1 5

c) 2n+m 2m+n

d) 7n 5m

©WhiteRoseMaths2019

8 a=10

Writetheexpressionsinorder,startingwiththesmallestvalue.

5a a+5a5 a2

9 a=15

Writethreedifferentalgebraicexpressionsthatgiveavalueof40

10 Completethetable.

x 5x 5x–1

2

10

12

25

34

99

Mo

It does not matter what p and q are, p + q and

q + p will always give the same answer.

Page 13: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Solve simple one-step equations

1 Writeanequationforeachpart-wholemodel.

Workoutthevalueofthemultilinkcubeineachequation.

a)

=

b)

=

2 Therearesomecountersunderthecup.

Thereare10countersintotal.

a) Ifcisthenumberofcountersunderthecup,explainwhy

c+6=10

b) Workoutthevalueofc. c=

c) Howmanycountersareunderthecup?

3 Writealgebraicequationstorepresentthebarmodels.

Findthevalueofaineachone.

a) 8

a a

c)a

3 3 3

a= a=

b) 15

a 10

d)a

7 6

a= a=

4 Nijahissolvingtheequationx–8=20

WhatmistakehasNijahmade?

©WhiteRoseMaths2019

6

18

x – 8 = 20

x = 20 – 8

x = 12

Page 14: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

5 Solvetheequations.

a) x+7=20 d) g–3=15

x= g=

b) 10y=80 e) 32=t–5

y= t=

c) 4m=22 f) u6

=3

m= u=

6 Filipthinksofanumber.

Hesubtracts5fromhisnumber.

Heendsupwith10

WriteanalgebraicequationtorepresentFilip’sproblem.

Solvetheequationtoworkouthisnumber.

©WhiteRoseMaths2019

7 Dexterbuildsatower.

Eachblockis2ahigh.

Heuses7blocks.

Thetotalheightofhistoweris42cm.

WriteanequationtorepresenttheheightofDexter’stowerand

findthevalueofa.

a= cm

8 Workoutthevalueofeachshape.

Writetheequationsthatyousolvedtofindthevalueofeachshape.

=

32

= = =

Workoutthemissingtotalofeachrowandcolumn.

Compareanswerswithapartner.

2a

=40

=20

Page 15: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

Solve simple one-step equations

1 Writeanequationforeachpart-wholemodel.

Workoutthevalueofthemultilinkcubeineachequation.

a)

=

b)

=

2 Therearesomecountersunderthecup.

Thereare10countersintotal.

a) Ifcisthenumberofcountersunderthecup,explainwhy

c+6=10

b) Workoutthevalueofc. c=

c) Howmanycountersareunderthecup?

3 Writealgebraicequationstorepresentthebarmodels.

Findthevalueofaineachone.

a) 8

a a

c)a

3 3 3

a= a=

b) 15

a 10

d)a

7 6

a= a=

4 Nijahissolvingtheequationx–8=20

WhatmistakehasNijahmade?

©WhiteRoseMaths2019

6

18

x – 8 = 20

x = 20 – 8

x = 12

Page 16: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

5 Solvetheequations.

a) x+7=20 d) g–3=15

x= g=

b) 10y=80 e) 32=t–5

y= t=

c) 4m=22 f) u6

=3

m= u=

6 Filipthinksofanumber.

Hesubtracts5fromhisnumber.

Heendsupwith10

WriteanalgebraicequationtorepresentFilip’sproblem.

Solvetheequationtoworkouthisnumber.

©WhiteRoseMaths2019

7 Dexterbuildsatower.

Eachblockis2ahigh.

Heuses7blocks.

Thetotalheightofhistoweris42cm.

WriteanequationtorepresenttheheightofDexter’stowerand

findthevalueofa.

a= cm

8 Workoutthevalueofeachshape.

Writetheequationsthatyousolvedtofindthevalueofeachshape.

=

32

= = =

Workoutthemissingtotalofeachrowandcolumn.

Compareanswerswithapartner.

2a

=40

=20

Page 17: Find a rule – two step Work out the missing outputs and inputs. · 2020. 6. 9. · Find a rule – two step 1 Use the function machine to complete the table. × 5 + 2 input output

White Rose MathsHome Learning Video Links

Year 6

Summer Term Week 7 (w/c 8th June)

Lesson 1

Find a rule https://vimeo.com/425603587

Lesson 2

Forming expressions https://vimeo.com/425603866

Lesson 3

Substitution https://vimeo.com/425603939

Lesson 4

Solve simple one-step equations https://vimeo.com/425605040