Friday 22 February 2019

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

By Jaydin

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