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Multiply 2-digits (area model)
1 Kimisusingbase10toworkout31×22
UseKim’smodeltohelpyoucompletethesentences.
×
30
1
20 2
Thereare onesaltogether.
Thereare tensaltogether.
Thereare hundredsaltogether.
31×22=
2 Usebase10toworkoutthemultiplications.
a) 12×14= b) 23×13=
3 Amirisusingbase10tocalculate31×24
a) Addthemissinginformationtotheareamodelandcomplete
thesentences.
×
Thereare onesaltogether.
Thereare tensaltogether.
Thereare hundredsaltogether.
b) Describeanyexchangesyouneedtomake.
c) Completethemultiplication.
31×24=
4 Usebase10toworkoutthesemultiplications.
a) 25×15= b) 36×12=
©WhiteRoseMaths2019
©WhiteRoseMaths2019
5 Usetheplacevaluecounterstocompletethemultiplicationgrid
andsentence.
× 10
10 1 1 1 1 1 1
10
10
10
100
100
100
100
100
100
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
1
1
10
10
10
10
1 1 1 1 1 1
1 1 1 1 1 1
× 20 6
30
2
26×32=
6 Useanareamodeltohelpyoucompletethemultiplication.
a) 28×14= c) 35×22=
× 20 8
10
4
b) 27×16= d) 45×36=
×
7 Completethemultiplications.
21×24= 31×25=
18×26=
8 24× =768
Completetheareamodeltofindthemissingnumber.
×
9 Useeachdigitcardoncetowriteamultiplication.
× =
Howmanydifferentanswerscanyoufind?
Howmanyproductsaretherebetween1,000and1,500?
3 4 52