Multiply 3-digits by 2-digits...c) Here are answers given by three children. 28,028Nijah 5,852Filip...

1 Workoutthemultiplications.

a) 13×3 c) 25×4

13×30 25×40

b) 130×2 d) 204×4

130×20 204×40

2 Completethemultiplications.

a)

2 3 1

× 1 3

6 9 3

2 3 1 0

(231×3)

(231×10)

b)

5 1 2

× 2 4

22 0 4 8

11 0 2 4 0

( × )

( × )

3 Brettiscalculating216×23

WhatmistakehasBrettmade?

Whatisthecorrectanswer?

4 Workoutthemultiplications.

a) 142×31b)337×46c)214×53d)24×183

5 Somechildrenareaskedtoworkout308×19

a) Whichisthebestestimatetousetochecktheiranswers?

Workouttheanswertoyourestimate.

300×10300×20310×20300×19

b) Explainthereasonsforyourchoice.

c) Hereareanswersgivenbythreechildren.

Nijah 28,028 Filip 5,852 Whitney 2,080

Fromyourestimate,whodoyouthinkiscorrect?

d) Workoutthecorrectanswer.

e) Whatmistakesmighttheothershavemade?

Multiply3-digitsby2-digits

©WhiteRoseMaths2019

2 1 6

× 2 3

6 41 8 0

4 31 2

6 91 1 2

6 Afootballpitchis128mlongand52mwide.

a) Whatistheareaofthepitch?

b) Afieldis25,000m².

Howmanyfootballpitchescouldfitinit?

7 Write>,<or=tocompleteeachstatement.

a) 146×64 164×46

135×53 153×35

b) Whatdoyounotice?

Doesthisalwayshappen?

8 MissRoseisorderingsomepencils.

Sheorders17ofpackA,14ofpackBand4ofpackC.

PackA PackB PackC

HowmanypencilsdoesMissRoseorder?

Eachpencilcosts16p.

HowmuchdoesMissRosespendonpencils?

Multiply3-digitsby2-digits

©WhiteRoseMaths2019

3 Brettiscalculating216×23

WhatmistakehasBrettmade?

Whatisthecorrectanswer?

4 Workoutthemultiplications.

a) 142×31b)337×46c)214×53d)24×183

5 Somechildrenareaskedtoworkout308×19

a) Whichisthebestestimatetousetochecktheiranswers?

Workouttheanswertoyourestimate.

300×10300×20310×20300×19

b) Explainthereasonsforyourchoice.

c) Hereareanswersgivenbythreechildren.

Nijah 28,028 Filip 5,852 Whitney 2,080

Fromyourestimate,whodoyouthinkiscorrect?

d) Workoutthecorrectanswer.

e) Whatmistakesmighttheothershavemade?

20 100

2 1 6

× 2 3

6 41 8 0

4 31 2

6 91 1 2