Multiplication Review

With Regrouping

100

58x4

232

200

93x5

465

300

147x6

882

400

258x3

774

500

478x9

4,302

Without Regrouping

100

32x3=(30x3)+(3x3)

=_______+_________

=___________

32x3=(30x3)+(3x3)

=__90_____+____9_____

=____99_______

200

24x2=(20x2)+(4x2)

=_____ + _____

= _________

24x2=(20x2)+(4x2)

=__40___ + __8___

= ___48______

300

41x2=(____x2)+(______x2)

=______+________

=__________

41x2=(_40___x2)+(__1____x2)

=__80____+__2______

=___82_______

400

32x3=(____x3)+(______x3)

=_______+_______

=_________

32x3=(__30__x3)+(__2____x3)

=___90____+__6_____

=___96______

500

312x3= (____x3)+(____x3)+(____x3)

=_____+____+_____

=_________

312x3= (__300__x3)+(_10___x3)+(__2__x3)

=_900____+_30___+___6__

=__936_______

Multiply by tens or hundreds

100

20x3=_________ tensx3

=_____________ tens

=______________

20x3=___2______ tensx3

=____6_________ tens

=_____60_________

200

3x300=3x_________ hundreds

=__________ hundreds

= ____________

3x300=3x___3______ hundreds

=___9_______ hundreds

= ___900_________

300

20x4=__________ tens x 4

=__________ tens

= _______________

20x4=_____2_____ tens x 4

=____8______ tens

= ____80___________

400

200x3= __________ hundreds x 3

=_________ hundreds

=_______________

200x3= ___2_______ hundreds x 3

=___6______ hundreds

=___600____________

500

2x400= 2 x _________ hundreds

=__________ hundreds

=__________

2x400= 2 x __4_______ hundreds

=____8______ hundreds

=___800_______