Multiplication and Place Value Partitioning

Problems	Strategy	Answer
1.85 x 90=	85 x 90= 90 x 90=8100 5 x 90=450 8100 - 450= 8100 - 450=7650	7650
2.79 x 89=	79 x 89= 80 x 89=7120 1 x 89=89 7120 - 89= 7120 - 80=7040 7040 - 9=7031	7031
3.68 x 76=	68 x 76= 70 x 76=5320 2 x 76=152 5320 - 152= 5320 - 150=5170 5170 - 2=5168	5168
4.92 x 88=	92 x 88= 100 x 88=8800 8 x 88=704 8800 - 704= 8800 - 700=8100 8100 - 4=8096	8096
5.59 x 67=	59 x 67= 60 x 67=4020 1 x 67=67 4020 - 67= 4020 - 60=3960 3960 - 7=3953	3953